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Consolidated Environmental Management Plan for ABP-1 (Ganga Bridge) ofAllahabad Bypass of NH-2 J
-- P = ~~ALLAHABAD BYPASS OF, NH-2 1
E736 vol. 1TABLE OF CONTENTS 2003
CONTENTS PAGE NO
11 Background of the Project ----------------------------------------------------------------------------------------------------------------------------------------------------- ----------1-1
12 Need of By-pass for Allahabad Town --------------------------------------------------------------------------------------------------------------------------…------------------- 1-2
13 Selection of Present Alignment (Analysis of Alternative) --------------------------------------------------------------- ----------------------------------------------- 1-4
14 DPR Consultants --------------------------------------------------------------------------------------------------------------------- ------ ----------------------------------------… 1-4
1 5 Independent Environmental Reviewers (IER)----------------------------------------------------------------------------------------------------------------------------------1-4
16 Deliverable ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 1-5
! *.i. i -*. ' **i 0J
21 Project Description ------------------------------------------------------------------------------------------------------------------------------------------- -----… 2-1211 Proposed Bypass Camageway Details ----------------------------------------------------------------------------------------------…------ 2-1
212 Descnpbon of Area and Terrain ------------------------------------------------------------------------…---…--------- ---------------------------- 2-22 2 Salient Features within the Bypass Alignment ----------------------------------------------------------------------------------------------------------------------------------- 2-3
2 3 Ganga Bridge----------------------------------------------------------------------------------------------- ------------ ------------- ------------------ 2-3
2 4 Traffic Mix and Volume at Ganga bridge----------------------------------------------------------------------------- ------------------------------------------------------------------- 2-4
31 Environmental Settng----------------------------------------------------------------------------------------------------------------------------------------------------------------3-1
3 2 Genenc Recommendations-------------------------------------------------------------------------------------------------------------------------------------…----------------- 3-133 3 Disaster Management Plan---------------------------------------------------------------------------------------------------------------------------------------------------------3-13
3 4 Monitoring Program------ - --------------------------------------------- - ------------------------------------------------------------------- -- ------ ----- 3-15
3 41 Performance Indicatcrs (Pls)------------------------------------------------------------------------------------------------------------------------------------------------------------3-15
4 1 Introduction ------ ---------------------------------------------------------------------------------------------------- …----------------------- -- --------------------------------- - --- 4-1
4 2 Existing Institutional Arrangements--------------------------------------------------------------------------------------…-------- …---------------… 4-1
4 3 Other Stakeholders ----------------------…------------- ----------------------- …-3------------------ --- -- -----
4 4 Institutional Needs Assessment------- … ---------- …------------ ----------- … -4-44 5 Proposed Set-up-------------…_…- --
4 6 Operationalisabon------------------------------------------------------------------------------------------------------------------------------------------------------------------ 4-9
51 Oil Interceptor-------------------------------------------------------------------------------------------------------------- -------------------------------------------------------- 5-1
5 2 Sedimentation Chamber------------------------------------------------------------------------------------------------------------------------------------------------------------------5-1
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Consolidated Environmental Management Plan for ABP-1 (Ganga Bridge) ofAllahabad Bypass of NH-2
61 Environmental Budget------------------------------------------------------------------
Table 1 1 Contract Packages of NH-2 and Status of Implementabon- -------- --------------------------------------------------------- 1-1
Table 31 EMP of ABP I ------------------------------------------------------
Table 3 2 Nabonal Ambient Air Quality Standards ---------- ------------------------------------------------------- 3-16
Table 3 3 Indian Standard Drinking Water Specification-IS 10500 1991-----------------------------3-17
Table 3 4 Noise Level Standards (CPCB) 3-20
Table 3 5 Environmental Monitoring Pan--------------------------------3-21
Table 4 1 Stage-wise Reporting system -------------------------------------------------------------------------
Table 4 2 Detailed Training Program… - …--------------------------------------------------------------- … …-4-10
Table 6 1 Environmental Budget for Allahabad Bypass Project -Ganga Bndge (ABP I)----------------------------------------------------6-2
Figure- 4 1 Structure of PIU Unit -------------------------------------- 4-2
Appendix 1 Specifications/ Best Practices For Environmentally Sound Construction And Facility Management --------------------------- I--- to 38
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Consolidated Environmental Management Plan for ABP-I (Ganga Bridge) ofAllahabad Bypass of NH-2
"fl INTRODUCTION
1.1 Background of the Prolect
India has embarked on a 10-year highway transportation improvement program as a partof the national policy to globalize its economy. National Highways comprise about 2% oftotal road length in the country and carry over 40% of total traffic across the length andbreadth of the country. National Highways Authority of India (NHAI) constituted underthe National Highways Authorities of India Act, is responsible for the development,maintenance and management of National Highways in the country. One of the majortasks mandated to NHAI is the implementation of National Highways DevelopmentProject (NHDP) comprising of Golden Quadnlateral, North -South and East-Westcorridors. The golden quadrilateral (GQ) comprises of the following stretches
Stretch Length (Km)Delhi - Calcutta 1469
Calcutta - Chennai 1751
Chennai - Mumbai 1278
Mumbai - Delhi 1454
(GQ) Total 5952
The contract packages and status of implementation under Delhi - Calcutta stretch ispresented in the Table 1.1:
Table 1.1: Contract Packages of NH-2 and Status of Implementation
Stretch Length Distance Funding Status/Agency(Km) From Delhi
(Km)Delhi - Mathura 145 145 ADB 4 LANED
Mathura - Agra 54 199 OECF 4LANED
Agra - SikandaraContract I B (-Makhanpur -Etawah i e Km 250 5 57 306 WB - IV Award after 3/2001- Km 307 5)
Agra - Sikandara (Etawah Bypass i e. Km 307 5 -Km 14 320 NHAI (M/s Bhageerafha Engg
321 1) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~India)
Agra - Sikandara 72 392 WB-IV Award after 3/2001Contract I C (Efawah -Sikandara i e Km 321 1 - Km 393) 7232W-V Aadfer/01
Sikandara-Khaga Awarded in Jan-2001Contract II A (Sikandara -Bara-Bhaunti Km 393 - Km 62 454 WB-III (M/s IT, Thar-Somdaft470) Builders, India(JV))
Sikandara-KhagaContract II B (Bhaunti -Fatehpur i e Km 470 -483(0) Km 51 505 WB-IV Award after 3/20010-km 38)
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Stretch Length Distance Funding Status/Agency(Km) From Delhi
(Km)
Contract I) C (Fatehpur- Khaga i e Km 38- Kml5 77 582 WB-III Awarded tn Jan-2001
Khaga - Varanasi 43 625 WB-111 Awarded in Jan-2001Contract Ill A (Khaga - Kokhraj i e Km 115-Km 158) 43 625 WB-III (M/s IRCON India)
Khaga - Varanasi 87 712 WB-IV or Award likely by 6/20D1Contract III B (Allahabad Bypass i e Km 158 - Km 245) BOT
Khaga - Varanasi Awarded in Jan-2001Contract Ill C (Handia- Varanasi i e Km 245 - Km 317) 72 784 WB-111 (M/s CentrodorstroyRussia)Varanasi- AurangabadContract IV A(Varanasi-Mohania i e Km 317-329(0) Km 77 861 WB-IV Award after 3/20010 - Km)
Varanasi- Aurangabad Awarded i8n Jan-2001Contract IV B (Mohania - Sasaram i e Km 65-Km 110) 45 906 WB-Ill (M/s L G. Engineenng
Korea)Varanasi - AurangabadContact IV C (Sasaram-Dehn on-sone i e Km 110-Km 30 936 WB-IV Award after 3/2001140)
Varanas)-Aurangabad Awarded In Jan-2001-Varanasi-AurangabadMsSanyogKr-Contract IV D(Dehri-on-sone-Aurangabad i e Km 140- 40 976 WB-111 M/s Ssang yong Korea-Km 180) India (JV)
Aurangabad-Barwa-AddaContract V A (Aurangabad-Barachattli i.e Km 180 -Km 60 1036 WB-Ill Award by 3/2001240)
Aurangabad-Barwa-Adda 8 16W-V Aadatr320Contract V B (Barachatti - Gorhar i e Km 240 -Km 320) 80 1116 WB-IV Award after 3/2001
Aurangabad-Barwa-AddaContract V C (Gorhar-Barwa Adda i e Km 320 - Km 79 1195 WB-111 Award by 3/2001398 75)
Ul Date of completionBarwa Adda-Barakar (Km 398.75 - 442 Km) 43 1238 ADB-III 3/2001 BSC RBM PATI
(Indo-Malayslan JV)
Barakar-Raniganj (Km 442 - Km 475) 33 1271 WB-II Ul Date of completion3/2001
Ul Date of completionRaniganj -Panagarh (Km 475 - Km 517) 42 1313 ADB-111 3/2001 BSC RBM PATI
(Indo-Malaysian JV)
Panagarh - Palsit (Km 517- Km 581) 65 1378 BOT Award by 3/2001
Palsit -Dankuni (Durgapur Expressway Km 581 - Km 69 1447 BOT Award after 3/2001666) (Annuity)
Dankuni -NH-2/NH-6 Junction near Calcutta 4 Laned 5 1452 4 Laned Most
Vtvekananda Bridge and Approach 6 1458 BOT Award by 3/2001
The proposed Allahabad Bypass, which is a part of Delhi-Calcutta stretch, starts at Km.158 of NH-2 near Kokhraj and ends at Km.245 of NH-2 near Handia bypassing thecongested city of Allahabad. It is a part of consultancy Package III, which has a totallength of 202 km, starting from Khaga (Km 115) and ending at Varanasi (Krm 317).Thispackage has been divided into five construction packages as described below:
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Consolidated Environmental Management Plan tor ABP-1 (Ganga Bridge) ofAllahabad Bypass of NH-2
Packages Section (Krn) Length (Kin)Package III A Khaga - Kokhraj 43
(Km 115- 158)
Package III B (i) ABP-1 Gang BridgeAllahabad Bypass (Km 163.267-164.280) 1.013
(84.708 Km) (ii) ABP-2 (Kml58-163.267 and Km
164.280-198.000) 38.987
(hi) ABP-3 (Km 198.000 -Km 242.708) 44.708
Package III C Handia - Varanasi 72(Km 245.000 - Km 137)
The map showing Allahabad bypass has been given in Figure 1.1
It may be noted that four lanning is under progress in Khaga- Kokhraj and Handia-Varanasi construction packages.
1.2 Need of By-pass for Allahabad Town
Over a period of time traffic volume has increased many fold on National Highway -2due to increased traffic on NH-2 and merging of four other major roads, viz. NH-27(connecting Rewa),SH-7(connecting Jaunpur), SH-9 (connecting Lucknow) and SH-47(connecting Mirzapur) into Allahabad town .
Current Situation
As per the latest traffic census, the traffic volume on NH-2 on either side of Ahahabadtown is of the order of 8000-10000 PCUs whereas intensity of traffic within the city is ofthe order of 25000-28000 PCUs of fast moving vehicles. This gives a fair idea of theextent of mixed traffic passing through Allahabad town. Due to the increased traffic andrestricted width of carriage way operative speed in Allahabad town is of the order of 10kmph on NH-2.
Needs Assessment
In order to achieve higher operative speed for traffic in future years the following optionswere explored.
- Widening the existing NH-2 in city portion to four lanes;- Construction of elevated structure in town above existing NH-2 carriageway; and- Construction of Bypass.
The widening of National Highway - 2 in the town portion was not feasible due to thefollowing reasons.
1. It could have resulted in massive destruction of properties displacement oflarge no of people and resulting R&R problems.
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Consolidated Environmental Management Plan for ABP-I (Ganga Bridge) ofAllahabad Bypass of NH-2
2. The construction of elevated structure was rejected due to financial and
environmental considerations. The construction of elevated structure would
have also reduced sun light to the households on either side of NH-2.
Therefore bypass to the city was found to be the most viable option. The present
alignment of bypass was adopted for detailed DPR after careful evaluation of various
alternative alignments. The details on "Selection of present alignment are covered in the
following section.
1.3 Selection of Present lignment (Analysis of Alternativel
Seven alternatives alignments were considered for the bypass of NH 2 for the Allahabad
town. Among these seven alternative alignments only one alignment (AS1) was on
southern side, five (AN1 through AN5), were on the northern side of Allahabad Town
and the seventh alternative is 14.5 km long elevated structure with four lane above the
existing National Highway within Allahabad town.
During the feasibility phase of the project, a separate study was undertaken for
finalization of the alignment and a separate report named as "Selection of Alternatives"
was prepared. For the selection of best alternative the relative merits of various
alternatives were assessed by a weighted marking scheme. The weights were allotted to
vartous factors which could influence the choice i.e., capital cost, scope of future
widening, land acquisition, user cost, impact on environment and suitability of alignment
etc. For each of these factors the vartous alternatives were marked on a scale of 1 to 5.
The marks were multiplied by various weights. The sum of weighted marks provided an
objective ranking of various alternatives. Numerical values to various factors were
assigned by consensus with experts in different fields and NHAI officials. The marks in
two categories namely capital cost and land acquisition were calculated numerically, but
other categories were arrived subjectively after discussion with various experts.
Based on described evaluation, alternative 'AN-4' was found to be the most viable
option. The detailed report of AN-4 has been submitted to the World Bank and this report
has been accepted. Therefore EIA of AN -4 was carried out by the DPR consultants.
1A DPR Consultants
The detailed project report has been prepared by a Consortium consisting of SNC Lavalin
International and Gherzi Eastern Ltd for bypass construction packages ABP-2 and ABP-
3. M/s Tandon Consultants (P) Ltd. were associate consultants for Ganga Bridge package,
ABP-1. The environmental and social assessment for the project has been carried out by
M/s Gherzi Eastern Ltd, Kolkata. The consultants had first undertaken environmental
screening exercise to identify critical environmental issues of the project followed by
environmental impact assessment. The EIA preparation led to identification of potential
environmental hotspots and their feasible remedial measures (including avoidance,
mitigation and enhancements) which were made a part of environmental management
plan.
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1.5 Independent Environmental Reviewers IIERJ
Since the project has been categorized as category 'A' project due to its cumulativemagnitude of social and environmental impacts, independent reviewers have beenappointed to review the EIA process as per operational directives of World Bank. Theindependent reviewers is a consortium consisting of DHV Consultants and MDPconsultants (P) Ltd.; New Delhi. The Independent Review Consultants have reviewed andstrengthened the EIA report prepared by DPR consultants and accordingly revised theEMP.
Approach & Methodology adopted
The scope of the present EMP includes review and strengthening of the earlier EMP byadopting the following approach.
1. Gap Analysis
2. Addressal of the gaps through
Data verificationPhysical verification through sample site visitsCollection and interpretation of required data
3. Summarizing the EMP during construction and operation stage
4. Identification of monitoring requirements
Initially gaps identification was carried out based on the report submitted by theconsultants. Subsequently, the site visit was undertaken to verify the identified gaps. Thiswas followed by the detailed discussion with the consultants, NHAI and othergovernment agencies. The implementation of EMP including reporting requirements forthe ongoing project by NHAI on Khaga Kokhraj section was also studied as a sampleduring the site visit. Documents such as detailed project report (DPR), strip plans andother drawings were studied and checked for incorporation into environmentalconsideration of the project.
1.6 Deliverable
This report summarizes the EMP for the Ganga bridge from km 163.267 to km 164.280(1.03 km). The following chapters describe the project, identified impacts, mitigationmeasures and monitoring, reporting requirement, bills of quantities and budget required toimplement EMP. The appendix also describes a section on best practices to be followedduring construction of the bridge.
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Consolidated Environmental Management Plan for ABP-I (Ganga Bridge) ofAllahabad Bypass of NH-2
I2)PROJECT DESCRIPTION
2.1 PROJECT DESCRIPTION
The total length of Allahabad bypass is 84.725 km and is divided into three constructionpackages. It has been designed as an access controlled toll road with divided 4-lanecarriageway with provision of 6 - laning to cater to future traffic projections. The designlife of the project is 30 years. A 70 m Right of Way (RoW) has been proposed for theproject corridor with provisions of high embankments, interchanges, toll plaza, rest area,etc. and 90 m RoW at appropriate places.
The three construction packages are as stated below:
ABP - 1: Ganga bridge with river training work from km 163.267 to km164.280 (1.03 kmn)
ABP- 2: From km 158.000 to km 163.267 and km 164.280 to km 198.0(38.987 km)
ABP - 3: From km 198.0 to km 242.708 (44.708km)
2.1.1 Proposed Bypass Carrlageway Details
Highway design Is based as per relevant IRC standards and international codes ofpractice. The bypass will have access control with provision of parallel service roads. Noaccess will be allowed to slow moving vehicles on the main carriageway except atinterchanges, toll plazas. Specifications of RoW, carriageway, service road, shoulders,median, etc. are given below:
1. Right of Way (ROW)
In General 70.00 m
High Embankment Locations, Interchanges,Toll Plazas, etc. 90.00 m
2. Carriage Way
Main Road (each way)
Present (Four lane divided carriageway) 7.00 m
Ultimate (3-lane) (divided carriageway) 10.50 m
3. Service Road (each side)
Rural stretch 3.75 m
Semi urban stretch 5.50 m
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Consolidated Environmental Management Plan for ABP-1 (Ganga Bridge) ofAllahabad Bypass of NH-2
4. Shoulder Width
Main Carriageway
Outer Shoulder 2.50 m
(i) Paved Part 1.50 m
(ii) Unpaved Part 1.00 m
Inner Shoulder 1.50 m
(i) Paved Part 1.00 m
(ii) Unpaved Part 0.50 m
5. In Service Road (each side)
Outer Shoulder 1.75 m
(i) Paved Part 0.75 m
(ii) Unpaved Part 1.0 m
Inner Shoulder 1.25 m
(i) Paved Part 0.75 m
(it) Unpaved Part 0.5 m
6. Median width
Toll Road Portion 12 m
(i) Present 9.00 m
(ii) Inner Shoulder Portion 2 x 1.5 m
Ultimate (After 6 lanning) 5.00 m
Along existing NH-2 portion 3.00 m
2.1.2 Descriptlon of Area and Terrain
Alignment along NH-2 on Existing ROW
The existing NH-2 from km 158 to 160 and km. 244 to 245 form part of this bypasspackage. The terrain is flat and agriculture land and settlements about the RoW. Theculverts will be extended in the widening. The widening of these existing NH-2 portionsto four lanning is planned as a part of bypass. In order to accommodate the widening landacquisition will be there. Major interchanges are planned at start point (km 160) and endpoint of new RoW (km 242.0) to segregate the through traffic from local traffic. There arethree culverts in the portion between km 158 to 160 and two culverts in km 244 to 245
Alignment of Bypass on New ROW
The bypass takes off NH-2 alignment at km.160 and traverses in an east direction about 2km along the existing NH 2 then turns north-east through the cultivated land. It crossesGanga River at Km. 163, and continues in the same direction upto km 167, crossing Doab
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Consolidated Environmental Management Plan for ABP-1 (Ganga Bridge) of 5 X XAllahabad Bypass of NH-2
River (Km 166.362). From there it heads eastward crossings SH 38 at (Km. 185.544) andLucknow - Allahabad Rail link at Km 188.749.
From there it continues in north-east direction and crosses SH 9 at Km. 196.600 andheads towards east to cross Pratapgarh-Allahabad Rail link at Km. 199.810. Thealignment now takes south-east direction crossing SH7 at Km. 216.816 and turns southward at Km. 230 to meet NH-2 at Km. 242.10 and ends at km. 245 of existing NH-2.
The area through which the new alignment of bypass passes is predominantly agriculturalland. As the bypass alignment passes through agriculture land there will be minimumimpact on human settlements. This agriculture land falls under irrigated category, due tocanal network, catering to four crops a year.
2.2 Salient Features of Bypass Alignment
District Boundary Kaushambi, Pratapgarh and Allahabad
Village passing though :110 Villages
House holds getting affected . 97
Structures getting affected 267
Trees to be cut 3298 (Prnvate trees on new alignment and trees onexisting NH 2 section)
SH - Crossing : 3 (SH-38, SH-7 and SH-9)
Major Rivers : 3 (Ganga, Doab and Mansaita)
Canals : 32
Drain, Nullahs and Stream : 29
Total Land to be acquired : 781 Ha (687 ha private and 94 ha Govt. land Approx.)
Nature of land : Mostly Agricultural
2.3 Ganga Bridge
The proposed bridge over river Ganga has the following features.
* The estimated length and height of HFL were assessed and used as the basis of theengineering design of this bridge.
* The bridge is designed in two units of 506.4 m each with a total length of 1.03 km.
* It consists of 8 spans of 95m each and 4 spans of 63.2m each.
* Three expansion joints are provided one in the middle and at one each pier.
* The spans are built of precast segments of viable size and stresses in place.
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Consolidated Environmental Management Plan for ABP-1 (Ganga Bridge) ofAllahabad Bypass of NH-2
* The piers are built on well foundations deep bellow the scour level.* The maximum flood level was set at 98m, providing a minimum free board of
1.5m.
* The proposed bridge will be able take the maximum flood flow of 21,000m3/secbased on hydrologicaUhydraulic investigation by the Indian Institute ofTechnology, Roorkee.
2.4 Traffic Mix and Volume at Canga bridge
The expected growth rate and volume of the Bypass traffic at different time horizons onthe bridge is an essential component of EMP because it helps in predicting impacts andmonitoring plan during operational stage of the project.
The traffic growth rates and volume have been summarized below.
Growth Rate (% per year)
Vehicle Type Year1998 -2003 2004 - 2013 2014 - 2023 2024 -2033
Cars, jeeps, vans 8.2 7.2 6.5 6.5& three wheelersTwo wheelers 14.0 13.0 9.5 7.5Buses 10.0 10.0 8.0 7.5Trucks 7.25 7.0 6.0 6.0
The projected volumes of traffic as arrived at in the Feasibility Study for the year 2003 onthe basis of above traffic survey and growth rate for the project stretch of Package-Ill Bincluding the Bypass are given below:
Traffic Projection:
Year Project Stretch Car, Jeep Scooter LCV Bus TrucksMini Bus Motor- Commercial
3-wheeler cycle etc(1) (2) (3) (4) (5) (6) (7)
Start of Bypass 2941 2798 501 412 66062003 Bypass(Link II) 452 190 790 92 4803
End of Bypass 4040 4623 756 559 6339
As the Design Year for Package-III B has been deferred to 2006, traffic volume for theYear 2006,2026 and 2036 have been determined and given below assuming that growthrate for the period 2234-2036 will be same as shown for the period 2024-2033:
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Consolidated Environmental Management Plan for ABP-1 (Ganga Bridge) ofAllahabad Bypass of NH-2
(1) (2) (3) (4) (5) (6) (7)
Start of Bypass 3685 4038 614 549 80932006 Bypass 567 275 968 123 5884
End of Bypass 5062 6671 927 745 7766
Start of Bypass 14135 29243 2104 2867 277192026 Bypass 2174 1987 3317 641 20155
End of Bypass 19415 48318 3175 3890 26598
Start of Bypass 26532 60270 3767 5910 496422036 Bypass 4080 4095 5941 1322 36094
End of Bypass 36443 99585 5685 8017 47633
On the above basis the traffic volume (ADT) in PCU for Design Year and various timehorizon on project stretches comes out to be as follows:
Year Start of Bypass Bypass End of Bypass
2006 31630 18726 339312026 120515 65556 1350382036 223317 118376 253186
2- 5 ,,A720
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Consolidated Environmental Management Plan for ABP-1 (Ganga Bridge) ofAllahabad Bypass of NH-2
Environmental Setting
3.1 Environmental Setting
The entire area of Allahabad bypass lies in a sub-tropical region with marked monsoon effects. The broadindicators defining the environmental setting of the study area are given below.
1. Air Quality (i.e. NOx, SO2 and RPM) along the bypass alignment is within permissible limitprescribed by CPCB except SPM, which exceeding in few places. The predicted air quality basedon modeling and baseline studies indicates levels are also within CPCB liimts.
2. The surface water flow in the project area is in the direction of the Ganga River. Therefore, allother existing river and streams flow from north of Ganga flow towards south and east whilethose are present south of the Ganga flow north and east.
3. In general the ground water table of the study area varies between 10-15m. The water table alsovaries in different seasons.
4. The topography of the area is plain.
5. The entire length of Allahabad bypass falls in Zone III with a seismic coefficient of 0.02. Hencethe area is relatively stable.
6. The soils in the area are of alluvial type, capable of producing high yields, largely due to the richsoil nutrients deposited by the Ganga and its tributaries.
7. The predicted noise levels based on baseline surveys and modeling indicate that predicted noiselevels for day time are well within CPCB limits considering the traffic projection till 2026. Nighttime noise levels exceed CPCB limits for the horizon year 2026 and 2036.
Though no change in the macro-climatic setting (precipitation, temperature and wind) is envisaged due tothe project, the microclimatic parameters are likely to be temporarily changed mainly by vegetationremoval and laying of pavement surface.
Table 3.1 summarizes the EMP of ABP1 (Ganga Bridge of Km.1.03) which addresses all the relevantissues identified during review and addressed during EIA.
7S$Z/Er in association with -0
Consolidated Environmental Management Plan for ABP-1 (Ganga Bridge) ofAllahabad Bypass of NH-2
Table 3.1: EMP of ABP I
Environmental Identlied Through Mitgation Measures 3 Road Section Reference to Location -s Time Frames ResponsibilityImpact/ Issue (Chainage) Contract Implementation | Supervision
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P-1.0: Pre - Construction 9aeP 1 1 Field survey, L A The temporary acquisiion of land shall be carried out in accordance Km 163 280 to RAP and Places at the left and Before NGOs, Collaborating PIU, NHAILand and plan based on to the RAP and entitled Framework for the protect It shall be ensured km 164 300 Protect right bank of river Ganga constructon Agenctes, PIU,Properly DPR drawings that all R & R activiies reasonably completed before the construction and haulage requirement Prior approval is required stars NHAI, GrievanceAcquisiion (Change in Community activiy stans roads in case of temporary Redressal Collshuman values) consuhation All grievances of the EPs will be reasonably redressed, in accordance acquisiion of the Ganga (GRC), District level
to the RAP implementation mechanism suggested for the project sand from the river Committee (DLC)authorgies since local District Revenuevillagers use Ganga sand authorty
.________________ __ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __ _ _ _ _for growing vegetablesP 1 2 Policy & legal Clearance are to be taken from SPCB for location of mixing plant at As approved by SPCB Prior to Contractor PIU, NHAI andClearance from the document the construction sie pnor to construction activiies Constructon supervisionstatutory bodies consuftantC1.0 Constnuction Sa geC.1.1 Desk study from Construction vehicle, machinery and equipment shall move or be Throughout MORTH 1126Compaction of Soil Vanous stationed In the designated area only While operating on temporarily the Project Throughout Protect(Loss of topsoil) documents acquired land for traffic detours, storage, material handling or any Corridor Corridor and all areas During Contractor Engineer, PIU,
other construction related or incidental activities, topsoil from MORTH temporarily acquired Construction NHAIagricultural land will be preserved 305 2 2 2
C 1.2 Legal Documents (a) Borrow pis shall not be dug continuously in a stretch The Refer MoRTHDegradation of Borrow Community location, shape and size of the designated borrow areas shall be as appendix 1 305 2 2.2Areas (Loss of natural consultaton approved by the Engineer and in accordance to the IRC-10-1961resource) recommended practice for borrow pis for road embankments
(b) Borrow pis shall be re-developed at such borrow location, spoilsshall be dumped with an overlay of stockpiled topsoil (as per theclause C 1 2 of the EMP), in accordance with compliance MoRTH 111 1 All borrow areas During Contractor Engineer, PIU,requirements with respect to MOEF/UPSPCB guidelines Construction NHAIRedevelopment of borrow areas shall be taken up in accordance withthe plans approved by the Engineers environmental specialist Theredevelopment plan should inctude the followng steps -
1 Define characteristics of borrow area includingdimensions and area to be filled
2 Assess baseline conditons on soil type, distribution,landuse, vegetation cover and slope aspect
3 Prepare time line for implementation4 Prepare monitoring plan
Funher, refer to best practices recommended for excavation andfilling
C 1 3 Bridge Span Desk study from a) The spans of the bridge should be 100 m approximately to Bridge Bndge alignment During Contractor PIU, NHAI
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Consolidated Environmental Management Plan for ABP-1 (Ganga Bridge) ofAllahabad Bypass of NH-2
Environmental Identdied Through Miligation Measures3 Road Section Reference to Location5 Time Frame6 Res onsibliImpact/ Issue (Chainage) Contract Implementation Supervision
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various reduce the number of piers feasibiliy report constructiondocuments andfield survey
Cl 4 Chemical Attack a) To litmd the potential for chemical attack the ooncrete foundation MORTH 1006(Water Quality) should contain a mnimum cement content of 330 kg/ cc For
underwater concrete 10% extra cement may be used A clearconcrete cover over the reinforced steel of atleast 75 mm should beprovided all over the foundations
C 1 5 Soil Erosion Desk study from a) Chances of soil erosin from the high embankment portion on the a) High MORTH 2504 Throughout protect During Contractor Engineer, PIU,(Change m land Vanous north bank should be taken care by stone piching Guide bund will embankment corridor, all borrow areas, constructions NHAIproductiviy & use) documents be provided in the south bank for streamlining the river flow in the areas from km service roads &
proposed bridge location (Please refer to drawings for the ABP II & 160 - km equipment storage snes,IlIl EMP) 163 269 etcb) In borrow pis, the depth of the pis shall be so regulated that the (approach ofsides of the excavation will have a slope not steeper than 1 verical Ganga Bridge) MORTH 2502to 4 horizontal, from the edge of the final section of bankc) The works shall consist of measures as per design, or as directedby the engineer to control soil erosion, sedimentation and waterpollution, through use of dikes, sedimentation chambers, basins,fiber mats, mulches, grasses, slope, drains and other devices Tocontrol all the temporary sedimentation problem at the time ofconstruction sedimentation chamber shall be provided as perdrawing no T-3 MoRTH 306 2
C 1 6 Contamination Desk study from a) Vehicles/machinery and equipment operation, maintenance Near the Contract Throughout protect Dunng Contractor Engineer, PIU,of soil by fuel & Various and refueling shall be carried out in such a fashion that spillage of construction document corridor construction NHAIlubncants (Loss of documents and fuel and lubncants does not contaminate Ganga water An 'oil sites assoiV land) legal documents interceptor will be provided for washed out and at refueling areas identlied by
Refer drawing no T-4 for typical design details of the oil interceptors the contractorto be provided Fuel storage shall be done at improper bundedareas All spills and collected petroleum products shall be disposedoff in accordance wth MoEF & UPSPCB guidelines.b) Fuel storage and refilling areas shall be located at least300m from Ganga riverc) In all fuel storage and refueling areas, if located onagricufltural land or areas supporting vegetation, the topsoil shall bestripped, stock piled and retum after cessation of such storage andrefueling activites.
C 1.7 Contamination Desk study from a) All spoils shall be disposed of in the manner as specified MoRTH 201 2 Throughout protect During Contractor Engineer, PIU,of water from Various/ legal in EMP corridor, all access construction NHAIconstruction wastes & documents b) Spoil from excavation shall be managed and disposed of roads, sies temporarilytheir disposal (Loss of as directed by the Engineer acquired and all borrow
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Environmental Identified Through Miigation Measures3 Road Section Reference to Location5 Time Frame6 ResponsibilityImpact/ Issue (Chainage) Contract Implementation Supervision
Document'productive soiV land) C) Non-bituminous wastes will be dumped in borrow pis areas
covered with a layer of the conserved topsoild) All waste materials shall be completely disposed and the MoRTHsite shall be fully cleaned before handing over The Engineer will 301 3 11certfy the site after approvale) All temporary acquired land shall be dealt in the manneras laid out in the EMP If dumping of waste Is envisaged Any claim,arising out of waste disposal shall be resolved by the contractor atas costf) All measures will be taken to prevent the wastewaterfrom entering directly into river Ganga as directed by engineerg) Construction works on river Ganga shall be avoidedduring, monsoon and adequate measures be taken as perspecificationsh) The discharge standards specified under theEnvironment Protection Act, 1986 shall be strictly followedI) All wastes should be disposed as per UPPCB guidelines& procedures
C 1 8 Flooding (Loss Desk study from a) In addiion to the design requirement, the contractor shall MoRTH Throughout project Construction Contractor Engineer, PIU,of naturalV manmade Various take all desired measures as directed by the engineer such 305 3 2 corridor and the Defects NHAIresource, increased documents, measures to prevent temporary or permanent flooding of the sie of Liabiliy Periodsediment & or any adjacent areadeterioration of water b) The scope for prevention of flooding indudes prevention of loss ofqualiy) use, loss of access of any land of property there on resulting from
flowing or stagnant water as direct or indirect impact of constructionC 1 9 Siltation into Desk study from a) Silt fencing will be provided at the base of the embankment for the MoRTH 306 Throughout Project During Contractor Engineer, PIU,water Bodies Various entire perimeter of any water body MoRTH 306 Corridor Construction NHAI(Increased sediment & documents b) Siltation of soil into the water bodies will be prevented as far asdeterioration of water possible The contractor wilt take all reasonable measures as perqualiy) EMP clause C 1 6
c) A construction material containing fine particles shall be stored inan endosure such that sediment-laden water does not drain intonearby watercourse
C 1 10 Torrent Run off Desk study a) No tree or vegetation other than those designated for MoRTH 201 2 Throughout project During Contractor Engineer, PIU,(Soil erosion) from filling will be cut. MoRTH corridor, all access construction NHAI
Vanous b) The contractor shall take all necessary precaution and 306 2&4 roads, sites temporarilydocuments construct temporary/permanent devices/ structure to acquired and all borrow
prevent water pollution (due to Siltation and increase of areasturbidiy
C 1 11 Alteration of Desk study a) In selection of Ganga river earth, stone or any other MoRTH Throughout protect During Contractor Engineer, PIU,Drainage/ Impounding from construction matenals or appendage shall be properly 305.3 7 Corridor, all access Construction NHAIof water (Water Vanous disposed off so as not to block the flow of water MoRTH 306 roads, sies temporarilyresource availabilaiy & documents b) Impounding of water due to construction work is acquired and all borrow
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Consolidated Environmental Management Plan for ABP-I (Ganga Bridge) ofAllahabad Bypass of NH-2
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land use change) temporary and minimal areasc) All necessary measures shall be taken to prevent
earthwork, stonework, matenals and appendage shall bepropery disposed off as so not to block the flow of water
C 1 12 sanitation and Desk study from a) Construction laborers' camps shall be located at least 200m MoRTH, 11114 All Construction Worker's During Contractor Engineer, PIU,waste disposal in Various away from the nearest habiation based on the conceptual plan Camps including areas in Establishment NHAI.construction camps documents and provided in enclosed drawing and detail of which shall be approved immediate vicindy Operation and(Water pollution, legal documents by the engineer Dismantling ofhealth & hygiene) b) The sewage system for a construction laborers' camp shall be such Camps
designed, built and operated so that no pollution to ground oradjacent water bodies / watercourses shall take place Compliancewih the relevant legislation shall be strictly adhered to Garbagebins shall be provided in the camps and regularly emptied and thegarbage disposed off in a hygienic manner, to the satisfaction of therelevant norms and the Engineerc) In connection wah underground water resources includingpercolating water, the contractor shall take all necessary precautionto prevent interference wih such water resourcesd) All relevant provisions of the Factories Act, 1948 and the MoRTH 111.1building and the other Construction workers (regulation ofEmployment and Condiions of Service) Act, 1996 shall be adheredtoe) Unless otherwise arranged by the local saniary authonty,arrangement for proper disposal of excreta by compostimg at theworkplace suiable approved by the local medical health ormunicipal authonties or as directed by Engineer, shall be made
C 113 Water Desk study from a) The contractor wilt minimize wastage of water in the Borewells Protect Throughout protect During Contractor Engineer, PIU,Conservation (Loss of Various construction process/ operaton outside the requirement corridor construction NHAIwater resource) documents b) The contractor shall arrange for supply and storage of water bypass and legal
and no such supply or storage will be provided by PIU, NHAI The alignment requirementcontractor shall not open a new borewell or extract groundwaterwihout permission from the UP Ground Water Board Thecontractor may, however, use any existng borewell or any othersource of water supply
C 114 Disruption to Community a) The contractor shall be responsible for arranging adequate Refer RAP Throughout project Dunng Contractor Engineer, PIU,other users of water consultation and supply of water for the whole construction period appendix for requirement corrdor. construction NHAI(change in water legal b) While working across or dose to perennial water bodies, the water bodiesresource usage) requirement and contractor shall not obstruct/ prevent the flow of water The
EMP contractor shall seek approval of the Engineer for such actrviy TheEngineer will have the nght to ask the contractor to serve the noticeon the downstream users of water sufficiently in advancec) Construction work expected to disrupt users and impactingcommuny water bodies and will be taken up aflter serving notice on
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the local communityd) The contractor may use the natural source of water subject tothe provision that any claim ansing out of conflicts wih other usersof the said natural of water shall be dealt wih entirely by thecontractor
C 1 15 Odour from Desk study from a) Construction labourers' camp shall be located at least 200 m Construction Contract All construction labours' During Contractor Engineer, PIU,Construction labour's Various away from the nearest habitation to avoid conflicts and stress over Camp as requirement camp and immediate establishment, NHAIcamps (Air Pollution) documents and the infrastructure facilities, with the local communiy being surrounding areas Operation and
legal b) The waste disposal and swage system for the camp shall be identdied by Dismantlig ofdocumenmts properly designed, built and operated so that no odor is generated the NHAI PIU such Camps
Relevant provision as the Factories Act, the Building and other andconstruction Workers (regulation of Employment and Condiions of contractorService) Act, 1996 and all other relevant legislations shall be strictlyadhered to
C 1 16 Emisson from Legal a) The discharge standards promulgated under the Environment Throughout Contract Throughout protect Dunng Contractor Engineer, PIU,construction Vehicles, documents and Protection Act, 1986 shall be strictly adhered to the protect requirement corridor Construction NHAIequipment and different norms b) All vehicles, equipment and machinery used for construction corridormachinery (Air shall be regularly maintained to ensure that pollution emission levelsPollution) comply wnh the relevant requirements UPSPCB and the Engineer
Contractrequirement
C 117 Pollution from Legal a) All crushers used in construction shall conform to relevant Construction Contract All aggregate Crushing During Erection, Contractor Engineer, PIU,Crusher (Air Pollution) requirement dust emission control legislation site crushers requirement plants. Testing, NHAI
b) All the plants will be sded at least 1 km in the downwind Operation anddirection from the nearest human settlement Dismantling ofc) Clearance for saing shall be obtained from the UPSPCB such plantsAltematively, only crushers already licensed by the UPSPCB shallbe usedd) Dust screening vegetation will be planted on the edge of the DesignRoW for all existing roadside crushers requiremente) Hot mix plant will be fitted wih dust extraction systems MoRTH 111 1f) The suspended particulate manter contnbution value at adistance of 40m from a controlled isolated as well as from a unilocated in a cluster should be less than 500 gg/m3 The monioringis to be conducted as per the monioring plan
C 118 Noise from Desk study from a) The plants and equipment used in construction (including the Constant MoRTH 11113 Throughout protect During Contractor Engineer, PIU,vehicles, plants and Various aggregate crushing plant) shall strictly conform to the MoEF/CPCB monionng corridor construction NHAIequipment (Health & documents for noise standards near theSafety) proper b) All vehicles and equipment used in construction shall be fited constructon MoRTH. 111 13
management with exhaust silencers camp
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and legal c) During routine servicing operations, the effectiveness ofrequirements exhaust silencers shall be checked and d found to be defective shall
be replaced MoRTH, 111 1d) limis for construction equipment used in this protect(measured at one meter from the edge of equipment in the freefield) such as compactors, rollers, front loaders, concrete mixers,cranes (moveable), vibrators and saws shall not exceed 75 db ( A), MoRTH 111 13as specdied in the Environment (Protection) rules, 1986e) Maintenance of vehicles, equipment and machinery shall beregular and to the satisfaction of the engineer, to keep noise fromthese at a minimumf Workers in viciniy of loud noise, and workers working with orin crushing, compaction, or concrete mixing operation shall wear MoRTH 111 6earplugsg) In construction sies within 150m of the nearest habiation,noisy construction work such as crushing, concrete mixing, batchingwill be stopped during the nighttime between 9 00 pm to 6 00 pmh) No noisy construction activdies will be permitted aroundsilence zones, a dLisance of 100m from the sensitive receptors) Monioring to be carrred out near construction site
C119 Damage or Desk study from Dunng construction, at any point of lime, d a Contract Water oourse in the During Contractor, engmeer PIU, NHAIloss of vegetation Vanous rare/threatened/endangered flora species is found It must be requirement proposed bridge location construction(Biodiversity) documents conserved in a suiable manner The engineer, on specdic advice
from the PIU, NHAI shall approved detailed conservation processes, Designplans and design as well as associated modification In the protect requirementdesign
C 1 20 Loss Damage During field a) All works are to be carried out in such a fashion that the Right bank of Contract Throughout protect During Contractor Engineer, PIU,or Disruption to fauna survey at the damage or disruption to fauna is minimum river Ganga requirement corridor construction NHAI(Biodiversiy) time of b) Hunting and unauthorized fishing are prohibited (km 163 28-
constructon 164.3)C 1 21 Damage or Desk study from During construction, at any point of time, d a MoRTH. 112.7 All along the Project During Contractor Engineer, PIU,loss of Chance-found Vanous rare/endangered/threatened fauna specdies d spotted, the Corndor construction NHAIimportant Fauna documents contractor shall make all arrangements to intimate the wmld Ide(Biodiversiy) authordies and measures will be taken for its conservation during
the operation period alsoC 1 22 Risk from Legal document i The contractor is required to comply wih all the Construction Contract Entire Protect Sie During Contractor Engineeroperations (Safety) precautions as required for the safety of the workmen as Camp sie requirement constructon
per the Intemational Labour Organization (ILO) locationsConvention No 62 as far as those are applicable to thiscontract
2 The contractor shall supply all necessary PersonalProtective Equipment (PPE) safety appliances such assafety goggles, helmets, masks, etc, to the workers and
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Consolidated Environmental Management Plan for ABP-1 (Ganga Bndge) ofAllahabad Bypass of NH-2
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staff.3 The contractor has to comply wnh all regulation
regarding safe scaffolding, ladders, working platforms,gangway, stairwells, excavations, trenches and safemeans entry or egress
C 1 23 Risk from Desk study from 1 Adequate precautions will be taken to prevent danger MoRTH 106 Entire Protect Sie Dunng Contractor EngineerElectrical Equipment Various from electncal equipment Construction(Occupational Health documents 2 No material or any other sdes will be so stacked or& Safety) placed as to cause danger or inconvenience to any
person or the public3 All necessary fencing and lights will be provided to
protect the public4 All machines to be used in the construction will conform
to the relevant Indian Standards (IS) codes, will be freefrom patent defect, will kept in good working order, wilbe regularly inspected and properly maintained as per ISprovison and to the satisfaction to the Engineer
C 1 24 Risk Desk study from a) All workers employed on mixng asphalt matenal, To be decided MoRTH 111 1 Construction Camps During Contractor Engineer, PIU,Hazardous Activfy Various cement, and lime mortars, concrete etc will be provided with by the NHAI Construction NHAI(Occupational health documents protective footwear and protective goggles PIU and& Safety) b) Workers who are engaged in welding works would be Contractors
provided wth welder's protective eye-shieldsc) Stonebreakers will be provided wfh protective gogglesand clothing and will be seated at sufficiently safe intervalsd) The use of any herbicide or other toxic chemical shall be MoRTH 111 6strictly in accordance wnh the manufacturers instructions (MSDS)e) The engineer shall be given at least 6 working daysnotice of the proposed use of any herbicide or toxic chemicalf) Inventory of all herbicide or toxic chemicals delivered tothe sde shall be kept and maintained upto date by the contractor
C 1 25 Risk of lead Legal documents No man below the age of 18 years and no women shall be employed Construction MoRTH 111 1 Entire Protect Sie During Contactor Engineer, PIU,Pollution (Water & (Factory Act) on the work of painting wih products containing lead in any form No sies constructon NHAIland contamination) paint containing lead or lead products wilt be used except in form of
paste or readymade paint Face masks wll be suppled for the use bythe workers when paint is applied in form of spray or a surface havinglead paint dry rubbed and scrapped
C1 26 Risk Force Legal Documents All reasonable precaution will be taken to prevent danger of the Construction MORTH 111 1 Entire Protect Sae During Contractor Engineer, PIU,Majure workers and public from fire, flood, etc all necessary steps will be stes Construction NHAI(Environmental taken for prompt first aid treatment of all injuries likely to be sustainedemergency) during the course of action
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Consolidated Environmental Management Plan for ABP-I (Ganga Bridge) ofAllahabad Bypass of NH-2
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Impact/ Issue (Chainage) Contract Implementation Supervision____________________________________________________Document
4________
C 1 27 First Aid Desk study from a) At every workplace, a readily available first aid uni including an Constuction MoRTH 1207 6 Entire Project Sae During Contractor Engineer, PiU,
(Health & safety) Various adequate supply of sterilized dressing material and appliances will camps and construction NHAI
documents be provided as per the Factories Rules of Utar Pradesh work placeb) Workplaces, remote and far away from regular hospials witl campshave indoor heafth unds with one bed for every 250 workersc) Suiable transport wil be provided to faciliate take injured orsick person(s) to the nearest hospiald) At every workplace and construction camp, equipment andnursing staff shall be provided
C 1 28 Potable Water a) In every workplace at suiable and easily accessible places a Contract Entire Project Site During Contractor Engineer, PIU,
(Occupational Health) sufficient supply of potable water (as per IS) will be provided and requirement Construction NHAI
maintained.b) If the dnnking water is obtained from intermittent public watersupply then, storage tanks will be providedc) All water supply storage shall be at a distance of not less than15m from any latrine, drain or other source of pollutiond) If water has to be drawn from an existing well, which is withinsuch proximiy of any latrine, drain or other source of pollution, thewell shall be disintected before water is used for dnnkmnge) All such wells shall be entirely covered and provided wih a trapdoor, which shall be dust proof and waterprooff) A reliable pump shall be fited to each covered well The trapdoor shall be kept locked and opened only for cleaning orinspection, which shall be done at least once in a monthg) Testing should be conducted every month as per parametersprescnbed in IS 10500 1991.
C 1 29 Hygiene Legal a) The contractor during the progress of work will provide, Contract All Construction During Contactor Engineer, PIU,
(Occupational health) Documents erect and maintain necessary (temporary) living accommodation Requirement Laborers'Camps Construction NHAI
and ancillary facilAies for labor up to standards and scales approvedby the resident Engineerb), These shall be provided within the precincts of everyworkplace, latrines and unnals in an accessible place, and theaccommodation, separately for each of these, as per standards setby the building and other Construction Workers (regulation ofEmployment and Conditions of Service) Act, 1996c) Except in workplaces provided wih water-flushed latnneconnected wih a water bome sewage system, all latrines shall beprovided wih dry-earth system (receptacles) which shall be cleanedat least four times daily and at least twice during working hours andkept in a strict sandary conddion.d) Receptacles shall be tarred inside and outside at least
._____ _____ ___ _ once a_year _
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5 Time Frame3 Responsibilit
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e) If women are employed, separate latmne and unnals,screened from those from men (and marked in the vemacular) shallbe providedf) There shall be adequate supply of water, close to latrinesand urinalsg) All temporary accommodation must be constructed andmaintained in such a fashion that uncontaminated water is availablefor drinking, cooking and washingh) The sewage system for the camp must be designed, buiftand operated so that no health hazards occurs and no pollution tothe air, ground or adjacent watercourses take placei) Compliance with the relevant legislation must be strictlyadhered to Garbage bins must be provided in the camp andregulardy emptied and the garbage disposed off in a hygienicmannerI) Construction camps are to be sited at least 200m awayfrom the nearest habiation and adequate health care is to beprovided for the work forcek) Excreta may be disposed off by putting layer of nightsoils at the bottom of a permanent tank prepared for the purposeand oovering i with 15 cm Layer of waste or refuse and thencovenng i wih a layer of earth for a fortnight (by then i will tum intomanure)I) On completion of the works, all temporary structuresshall be cleared away, all rubbish bumt, excreta or other disposalpis or trenches filled in and effectrvely sealed off wih the sie leftclean and tidy, at the contractors expense, to the entire satisfactionto the Engineer.
C 1 30 Noise Desk study from Heavy noise producing equipments and operations should not be Design Sensiive Locations During Contractor Engineer, PIU,
Mitigation (Health & Various allowed in the night time Their operation will be restncted only in the requirement Construction NHAI
Safety) documents daytime If urgently required, noise protection covering should beprovided
0-1.0 Operation stageO 1 1 Contamination Desk study from a) Contingency plans to be in place for cleaning up of spills Ganga bndge Protect Entire Protect Corndor Framework at Flying squad of the Motor Vehicles
of Water Resources Various of oil, fuel and toxic chemicals requirement state and sector Motor Vehides inspector/ District
from spills (Water documents b) Spoils of oil, fuel and automobile servcing uni without level is Department crisis group
Pollution) adequate disposal systems in place to be discouraged expected to bedeveloped
0 1 2 Desk study from Land use regulation controls have to be adopted Approach PIU,
Changes in land use Various roads Rural authordy or NHAI, Motor
pattem (Land Use documents panchayat Vehicles
Chanres) _ Department
01 3 Atmospheric a) Ambient Air concentrations of various pollutants shall be Prolect Entire Protect Corridor Throughout Pollution monnoring UPSPCB, PI,
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Document'Pollution (Air mondfored as envisaged in the pollution-monaoring plan requirement and Surrounding areas operation stage agency NHAIPollution) b) Roadside tree plantation will be maintained Refer to the Air Pollution
c) Public awareness program to be undertaken montormng program Starting Motor vehiclesimmediately Department, STA,after completion UPSPCB, PIU, NHAIof construction.
0 1 4 Noise Pollution Desk study a) Noise pollution wilt be monnored as per mondoring plan Protect Refer to the noise Starting Motor vehides UPSPCB, PIU,(Occupational health at senstive locations requirement Pollution MonAoring immediately department, STA, NHAI& safety) b) Noise control programs to be enforced strictly program after DoF, UPSPCB, PIU,
c) Montoring of the effectiveness of the pollution Completion of NHAIattenuation bamers shall be taken up thnce in the operation period Constructiond) Public awareness campaigns to be undertaken Through
Operation_____________ ~~~~~~~~~stage
0 1 5 accidents Legal 1 Compliance with Hazards Wastes (Management and Hazardous All along the protect Framework PIU, NHAI, Motor PIU, NHAI Motorinvolving Hazards documents and Handling) rules, 1989 including wastes corridor and surrounding Expected to be Vehicles vehiclesMaterials (Health & desk studies 2 For delrvery of hazards substances, penmg license, (Management areas during early Department DepartmentSafety) dnving license and guidance license will be required and Handling operation stage
3 Public securgy, transportation and fire fighting rules, 1989)departments wilt designate a special route for vehiclesdelivering hazardous materials These vehicles will onlybe parked at designated parking plots
4 In case of spilt of hazardous materials, relevantdepartments will be intimated at once to deaft wih iwih the spilt contingency plan
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Consolidated Environmental Management Plan for ABP-1 (Ganga Bridge) ofAllahabad Bypass of NH-2
3.2 Generic Recommendations
The respective implementing agencies including NHAI, contractor & PIU etc. identified in earlier
section should follow the following recommendations.
Air Pollution:
Stock-piles
> Mist sprays should be provided at appropriate places for preventing dust pollution during
handling and stockpiling of stones and loose earth.
> Over Burden (OB) waste dumps shall be sprayed with water as they are the major source of air
bome particulate matter/dust.
O GB waste dumps shall be reclaimed/ afforested to bind the loose soil and to prevent soil erosion.
Haulage
> Regular water spraying on haulage roads during transportation of construction material by
water sprinklers.
> Transfer points for transporting construction material shall be provided with appropriate
hoods/chutes to prevent dust emissions.
> Dumping of construction material should be from an optimum height (preferably not too
high) so as to reduce the dust blow.
Occupational Noise Pollution Control
To keep the ambient noise levels within the permissible limits, the measures to be adopted are:
> Innovative approaches of using improvised machinery designs, with in-built mechanism to
reduce sound emissions like improved silencers, mufflers and closed noise generating parts.
> Procurement of drill, loaders and dumpers and other equipment with noise proof system in
operator's cabin.
> Confining the equipment with heavy noise emissions in sound proof cabins, so that noise is
not transmitted to other areas.
> Regular and proper maintenance of noise generating machinery including the transport
vehicles to maintain the noise levels.
> Provision should be made for noise absorbing pads at foundations of vibrating equipment to
reduce noise emissions.
3.3 Disaster Management Plan
Emergencies may occur due to vanous reasons, like natural calamities i.e floods, construction/
operation related activity and spills due to accidents. The disaster management plan is aimed at
insuring the safety of the people, protecting the environment and equipment and property safety. This
plan summarizes identification of hazards, response and recommendations to mitigate and minimize
environmental emergencies. During construction stage, it is proposed that the environmental
coordinator act as emergency coordinator in case of emergency. He should be having the following
resources at his disposal at the time of emergency.
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Consolidated Environmental Management Plan for ABP-1 (Ganga Bridge) ofAilahabad Bypass of NH-2
1. Communication system
2. Vehicles
3. MSDS
4. Trained manpower
5. Procedures for meeting emergency
Response System should address the following features/ issues
> All residents and employees need to be informed using the PA system to stay indoors and
not to use any roads crossing, which may get affected.
> The ambulance and fire tender need to be informed to be ready
> Emergency response team should be put on alert and district authorities to be notified if
any search and rescue operations need to be carried out.
> Once the water body is restored to its normal flow conditions then an overall assessment
of the damage caused due to the breach on people and property needs to be carried out.
> All debris in the area needs to be cleared once the rescue operations have been carried out
Response due to fuel Leakage
> The affected area should be evacuated and cordoned off immediately
> Only trained and experienced emergency response team members approach the area
> Inform electrical department to shut down power supply
> Ensure that only concemed personnel are present in the affected area and all other
personnel and guests are moved to the nearest assembly points.
> Source of leakage to be traced and isolated from all the other areas. In case of a fire
follow the instructions in case of fire.
Response in case of Fire
> On sighting a fire the first person should immediately inform the nearest resource center/
and the exact location and type of fire in detail.
> If the fire is small engage in extinguishing the fire using the nearest fire extinguisher.
> Move the staff to the emergency assembly point.
> The control room will immediately inform the first aid Center and the quick response
team which consists of trained fire fighting personnel.
> Mobilize the fire tender.
> The Quick Response team will immediately move to the point of fire and take all
necessary steps to stop the fire. If the fire is beyond control and spreads further then
immediately inform the security post who would in turn inform the district authorities and
call for extemal help.
> First aid team will provide immediate relief to the injured personnel or guests at the scene
of incident.
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Recommendation for NHAI
The NHAI, the primary organisation entrusted with the responsibility of developing and maintaining
the highways and road network of India, have a very important role to play in the prevention of
accidents on the highway, information dissemination and contact information of emergency response
agencies.
O They must conduct a study of accident history based on accident records maintained by the police,
along these stretches to see any patterns of frequently occurring accidents at certain accident
points. NHAI should take measures to reduce such accidents by adopting one or more of the
following actions - assess the condition of the road at/near the point to assess the cause of
accidents.O Take adequate measures to address accidents, install warming signs for speed check/no overtaking
etc.o Information boards giving contact details of hospital, ambulance, fire brigade, police and other
facilities should be erected along the highway at appropriate distances.
L At an appropriate distance from population pockets along the highway, boards, warming drivers of
crossing pedestrians and live stock should be erected.
L Boards should also be erected before population pockets giving contact details of emergency
facilities in the population pockets.O NHAI must ensure that land close to the highway are not allowed to be unduly populated by
commercial activity but land allocation preference should be given to service establishments like
tire repair shops, mechanics, public call offices (PCO), rest rooms, spare parts shops etc.
O They must ensure that warning sign boards are erected at all dangerous curves, embankments,
bridges, road repairs works, crossings and other such places thait increase accident probability.
3A Monitoring Program
The monitoring program is an important element of EMP to test the efficacy of Impact assessment and
mitigation measures and to achieve the desired environmental quality both during construction and
operation phase of the project. The broad objective of the monitoring program is as follows.
1. Monitoring to meet the compliance2. Effects monitoring
The purpose of the monitoring program is to ensure that the envisaged objectives of the project are
achieved. To ensure the effective implementation of the EMP, it is essential that an effective
monitoring program be designed and carried out. The broad objectives are
* To evaluate the performance of mitigation measures proposed in the EMP
* To evaluate the adequacy of Environmental Impact Assessment
* To suggest improvements in management plan, if required
* To enhance environmental quality* To satisfy the legal and community obligations.The monitoring program lays the basic framework for quantitative evaluation of impacts. This
evaluation is based on monitoring of performance evaluation indicators.
3A.1 Performance Indicators (Pis)
The physical, biological and social components of particular significance, identified in
affecting the environment at critical locations, have been recommended as Performance
Indicators (PIs), and are listed below.
* Air quality* Water quality* Noise levels around sensitive locations.
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* Replantation success / survival rate* Soil contamnnation* Erosion indices* Restoration of borrow pits* Sedimentation rate downstream of bridges, culverts* Vital statistics on health* Accident frequency
The environmental parameters that may be qualitatively and quantitatively measured and compared
over a period of time have been selected as Performance Indicators (PIs).* Air Quality* Noise levels* Water Quality. Flora* Soil Contamination
Following sub-sections describe each of these Pls in detail.
Ambient Air Quality (AAQ) Monitoring
Ambient air quality parameters recommended for monitoring road transportation developments are as
follows:
Respirable Particulate Matter (RPM)
Suspended Particulate Matter (SPM)
Carbon Monoxide (CO)
Oxides of Nitrogen (NOx)
Hydro-Carbons (HC)
Sulphur Dioxide (SO2 )
Lead (Pb).
These indicators will be monitored at designated locations starting from the commencement of
construction activity. Data should be generated over three days at all identified locations in
accordance to the National Ambient Air Quality Standards given below in table 3.2. The location,
duration and the pollution parameters will be monitored and the responsible institutional arrangements
are detailed out in the following section.
Table 3.2: National Ambient Air Quality Standards
Pollutants Time Sensitive Industrial ResidentialWeighted average Area Area Rural &other Area
Sulphur Dioxide (SO2) Annual* 15 pg/M3 80 ,g/m3 60 pg/M3
24 hours'* 30 pg/rM3 120 ,g/rM 3 90 pg/M3
Oxides of Nttrogen (Nox) Annual& 15pg/rM3 80.pg/m 3 65,ug/M3
24 hours** 30Ug/m 3 120 pg/M 3 91 pg/M3
Carbon Monoxide (CO) 8 hours** 1000 pg/M 3 5000 pg/M3 2000,pg/M3
1 hour 2000pUg/m3 1000 pg/m3 4000 pg/m3
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Pollutants Time Sensitive Industrial ResidentialWeighted average Area Area Rural &other Area
Lead (Pb) Annual* 0 50 ,ug/m3 1.0 pg/M3 0 75 ,ug/m3
24 hours** 0 75 pg/rM3 1 5 pg/M3 1.00 pg/m3
Respirable Particulate Matter Annual* 50 pg/M3 120 pg/rM3 60 pg/M3
(RPM)- Size less then 10 gm 24 hours* 75,ug/m3 150 pg/m3 J00pg/m3
Suspended Particulate Annual* 70 pg/rM3 360 pg/rM3 140 pg/M3
Matter (SPM) 24 hours** 100 pg/m3 500 ,ug/m3 200 pg/M3
Source Anon 1996-97, National Ambient Air Quality Monitoring Series NAQMS/a/1996-97, Cetitral Pollution Control
Board, Delhi*Average Arthinetic niean of tinimuni 104 mneasuremnent in a year tak-enfor a week 24 hourly at uniformn iterval
**24 hourly/8 lhourly values should mneet 98 percent of tie time In a year
Water Quality Monitoring
The physical and chemical parameters recommended for analysis of water quality relevant to road
development projects are pH, total solids, total dissolved solids, total suspended solids, oil and grease,
COD, chloride, lead, zinc and cadmium. The location, duration and the pollution parameters will be
monitored and the responsible institutional arrangements are described in the following sections. The
monitoring should be carried out in accordance to the Indian Standard Drinking Water Specification -
IS10500: 1991, given below in table 3.3.
Table 3.3: Indian Standard Drinking Water Specification-IS 10500:1991
Si. Substance or Requireme Undesirable Effect Outside Permissible Limit Methods of Test Remarks
No. Characteristic nt the Desirable Limit in the Absence of (Ref. To IS)(Desirable Alternate Source
Limit)}Essential Characteristics1 Colour, Hazen 5 Above 5, consumer 25 3025 (Part 4) Extended to 25 only if
units, Max acceptance decreases 1983 toxic substances arenot suspected, inabsence of alternatesources
2 Odour Unoblection 3025 (Parts a) Test cold and whenable 5)1984 heated
b) Test at several_______________ __________ ___________________________ dilutio ns
3 Taste Agreeable 3025 (Part 7 and Test will beconducted8) only after safety has1984 been established
4 Turbidity NTU, 5 Above 5, consumer 10 3025 (Part 10) .Max. acceptance decreases 1984
5 pH Value 6.5 to 8.5 Beyond this range the water No relaxation 3025 (Part 11)will affect the mucous 1984membrane and/or water supplysystem
6 Total hardness 300 Encrustation in water supply 600 3025 (Part 21)(as CaCO3) structure an adverse effects on 1983MG/i, Max domestic use
7 Iron (as Fe) mg/i, 0.3 Beyond this limit 1 32 of 3025 1964Max taste/appearance are affected,
has adverse effect on domesticuses and water supplystructures, and promotes iron
I___________I__________l____bacteria I_I__
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SI. Substance or Requireme Undesirable Effect Outside Permissible Limit Methods of Test Remarks
No. Characteristic nt the Desirable Limit in the Absence of (Ref. To IS)(Desirable Alternate Source
Limit)8 Chlorides (as Cl) 250 Beyond this limit, taste, 1000 3025(Part 32) -
mg/i, Max corrosion and palatability are 1988affected
9 Residual, free 0 2 3025 (Part 26) Will beapplicable only
chlonne, mg/i, 1986 when water is
Min chlonnated. Tested atconsumer end Forprotection against viralinfection it should beMin 0.5 mg/i
Desirable Characteristics1 Dissolved solids 500 Beyond this palatability 2000 3025 (Part 16)
mg/i, Max decreases and may cause 1984__________ gastro intestinal irritation
2 Calcium (as Ca) 75 Encrustation in water supply 200 3025 (Part 40)mg/i, Max structure and adverse effects 1991
on domestic use3 Magnesium (as 30 Encrustation to water supply 100 16, 33, 34 of IS -
Mg), mg/I, Max structure and adverse effects 3025:1964on domestic use
4 Copper (as Cu) 0 05 Astringent taste, discoloration 1.5 36 of 3025 1964mg/i, Max and corrosion of pipes, fitting
and utensils will be causedbeyond this
5 Maganese (as 0.1 Beyond this limit 03 35 of 3025 1964Mn) mg/i, Max taste/appearance are affected,
has adverse effect on domesticuses and water supplystructures
6 Sulphate (as 200 200 Beyond this causes gastro 400 3025 (Part 24) May be extended up toS04) mg/i, Max intestinal irritation when 1986 400 provided (as Mg)
magnesium or sodium are does not exceed 30,present
7 Nitrate (as N02) 45 Beyond this 100 3025 (Part 34) -
mg/i, Max methaemoglobinemia takes 1988place
8 Fluoride (as F) 1 Fluride may be kept as low as 1.5 23 of 3025: 1964mg/i, Max possible High fluorde may
cause fluorosis
9 Phenolic 0.001 Beyond this, it may cause 0.002 54 of 3025 1964compounds (As objectionable taste and odourC6H5OH) mg/i,,Max
10 Mercury (as Hg) 0.001 Beyond this, the water No relaxation (see note) Will be tested whenmg/i, Max becomes toxic Mercury ion pollution is suspected
analyzer
11 Cadmium (as 0 01 Beyond this, the water No relaxation (See note) Will be tested whenCd), mg/I, Max becomes toxic pollution Is suspected
12 Selenium (as Se), 0.01 Beyond this, the water No relaxation 28 of 3025 1964 Will be tested when
mg/I, Max becomes toxic pollution is suspected
13 Arsenic (As) 0.05 Beyond this, the water No relaxation 3025 (Part 37) Will be tested when
mg/i, max becomes toxic 1988 pollution is suspected
14 Cyanide (As CN), 0.05 Beyond this limit, the water No relaxation 3025 (Part 27) Will be tested when
mg/i, Max becomes toxic 1986 pollution is suspected
15 Lead (as Pb), 0 05 Beyond this limit, the water No relaxation (see note) Will be tested when
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Si. Substance or Requireme Undesirable Effect Outside Permissible Limit Methods of Test RemarksNo. Characteristic nt the Desirable Limit in the Absence of (Ref. To IS)
(Desirable Alternate SourceLimit)
mg/I, Max becomes toxic pollution IS suspected16 Zinc (As Zn) 5 Beyond this limit it can cause 15 39 of 3025: 1964) Will be tested when
Mg/i, Max astringent taste and an pollution is suspectedopalescence in water l
17 Anionic 0 2 Beyond this limit it can cause a 1 Methylene-blue Will be tested whendetergents (As light froth in water extraction method pollution is suspectedMBAS) mg/i,Max
18 Chromium (As 005 May be carcinogenic above No relaxation 38 of 3025 1964 Will betested when_ Cr4) mg/1, Max this limit pollution is suspected
19 Polynuclear - May be carcinogenic above - -aromatic this limithydrocarbons (asPAH) 9/1, Max______
20 Mineral oil mg/I, 0 01 Beyond this limit undesitable 0 03 GasMax taste and odour after Chromatographic
chlorination take place method21 Pesticides mg/i, Absent Toxic 0.001 -
Max _22 Radioactive materials. 58 of 3025:01964
23 a) Alpha emitters - 0 1I Bq/1, Max
24 Beta emiters - 1 -pci/1, Max
25 Aluminum (as Al), 200 Beyond this limit taste 600 13 of 3025:1964mg/i, Max becomes unpleasant
26 Aluminum (as 0 03 Cumulative effect is reported to 0 2 31 of 3025. 1964____ Al),,mg/1, Max cause dementia27 Boron, mg/I, 1 5 29 of 3025.1964
Max _ _ _Source: Inidiani Standard Drinking Water Specification-lS10500. 199]
Noise level Monitoring
The measurements for monitoring noise levels would be carried out at all designated locations alongall contract package in accordance to the Ambient Noise Standards formulated by Central PollutionControl Board (CPCB) in 1989. These standards have been described in table 3.4. Sound pressurelevels would be monitored on twenty-four hour basis. Noise should be recorded at a "A" weightedfrequency using a " slow time response mode" of the measuring instrument. The location, durationand the noise pollution parameters will be monitored and the responsible institutional arrangementsare detailed out in the following sections.
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Table 3.4: Noise Level Standards (CPCB)
Zone Noise level for Day Noise level for
Time Leq dB(A) Night Time dB(A)
Industrial area 75 70
Commercial area 65 55
Residential area 55 45
Silence zone 50 40
Residential 65 50
Commercial 70
Day time -6 00 am - 9 00 pin (15 hours)Night time - 9.00 pm -6 00 am (9 hours)
Soil Contamination
Contamination of the soil, especially due to increased levels of Pb, Cd and Cr are likely due to the
increased traffic movement on the project corridor. The comparison of the concentrations of these
parameters before and after the project will aid in arriving at the increase in concentrations of these
heavy metals, if any.
The monitoring plan for the various performance indicators of the project in the construction and
operation stages is summarized in table 3.5.
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Table3.5: Environmental Monitoring Plan
Environmental Project MONITORING Institutional ResponsibilityComponent Stage
Parameters Special guidance Standards Location (Chainage) Frequency Duration Implementation SupervisionHigh volume sampler to Air Wherever the 3, 8 hrs Continuous 24 Contractor PIU, NHAI /
SPM, RSPM, SO2, be located 50m from (Prevention contractor decides to samples per hours/or for 1 full through approved EngineerN02, CO, HC the plant in the and Control locate the Hot mix day, once in working day' monitoring
downwind direction. of Pollution) plant every season for agencyUse method specified Rules 3 years
Construction by CPCB for analysis. CPCB, 1994Stage.
High volume sampler to Air Stretch of the road 3 samples per Continuous 24 Contractor PIU, NHAI /be located 40m (Prevention where construction is day, once every hours/or for 1 full through approved Engineer
Air SPM, RSPM downwind direction and control in progress month, once in working day' monitoringUse method specified of Pollution) every season agencyby CPCB for analysis Rules CPCB during
1994 constructionperiod.
Operation SPM, RSPM, SO2, High volume sampler to Air i) Near Murat Ganj 2 locations twice Continuos 24Stage N02, CO, Pb, HC be located at 15m from (Prevention (Start of the a week for one hour/or for 1 full
the edge of pavement. and Control bypass) month in each working day PIU, NHAI NHAIof Pollution ) ii) At SH-9 crossing season for threeRules CPCB at km 196 years1994
Construction PH, Grab sample collected Water i) Doab river at km 3 times a year Contractor PIU, NHAI /Stage BOD, COD, TDS, from source and quality 165 during through approved Engineer
TSS, DO, Oil & analyse as per standards by ii) Pond at km 185 construction monitoringGrease and Pb Standard Methods for CPCB/ IS period at 2 agency
Examination of Water 10500.1991 locationsWater Quality and Wastewater
Operation PH BOD, COD, Grab sample collected Water ------- do----. One Sample inStage TDS, TSS, DO, Pb, from source and quality Pre monsoon
Oil and Grease analyse as per standrds by and one sampleStandard Methods for CPCB/ IS in post monsoon NHAI NHAIExamination of Water 10500.1991 for 3 yearsand Wastewater
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Environmental Project MONITORING Institutional ResponsibilityComponent Stage
Parameters Special guidance Standards Location (Chainage) Frequency Duration Implementation SupervisionNoise Levels Construction Noise level on Free at 1 m from the Noise At equipment yards As and when Readings to be Contractor PIU, NHAI/
Stage dB(A) scale equipment whose noise standards by necessary taken at 15 through approved Engineer.levels are being CPCB seconds interval monitoringdetermined for 15 minutes agency
every hour andthen averaged
Noise level on Equivalent noise levels Noise As directed by the Once every four Readings to be Contractor PIU, NHAI/dB(A) scale using an integrated standards by Engineer months for 3 taken at 15 through approved Engineer.
noise level meter kept CPCB years at 5 seconds interval monitoringat a distance of 15 from locations for 15 minutes agencyedge of pavement. every hour and
then averaged.Operation Noise levels on Equivalent noise levels Noise As directed by Once every Readings to be Contractor PIU, NHAI/Stage dB(A) scale using an integrated standards by Engineer alternate year taken at 15 through approved Engineer.
noise level meter kept CPCB until 2006, then seconds interval monitoringat a distance of 15 from every third year for 15 minutes agencyedge of pavement until 2015 and every hour and
then every 5t then averagedyear until 2025at 5 locations
Construction Monitoring of Pb, Sample of soil collected Threshold 3 locations once in a Max of 5 Contractor PIU, NHAI/Stage Cr, Cd, oil & grease to acidified and for each year during locations for through approved Engineer.
analysed using contaminant construction period each of the 3 monitoringabsorption set by IRIS years agencyspectrophotometry database of
USEPA untilnationalstandards
Soil arepromulgated
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Environmental Project MONITORING Institutional ResponsibilityComponent Stage
Parameters Special guidance Standards Location (Chainage) Frequency Duration Implementation SupervisionOperation Monitoring of heavy Sample of soil collected Threshold 3 locations once in As per the Contractor PIU, NHAI/Stage metals, oil and to acidified and for each each years occurrence of through approved Engineer.
grease analysed using contaminant such incidents monitoringabsorption set by IRIS agencyspectrophotometry database of
USEPA untilnationalstandardsarepromulgated
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Reporting Arrangements
41 Introduction
The Monitoring and Evaluation of the performance indicators are critical activities inimplementation of the Project. Monitoring involves periodic checking to ascertainweather activities are going according to the plans. It provides the necessary feedback forproject management to keep the program on schedule. The rationale for a reportingsystem is based on accountability to ensure that the measures proposed as part of theEnvironmental Management Plan get implemented in the project. Therefore there is aneed for evaluation of institutional capacity of the stakeholders including the organizationstructure and reporting structure. This chapter summarizes the existing institutionalstructure, proposed reporting structure and training needs for NHAI for implementingEMP.
42 ExIsting Institutional Arrangements
The existing organization structure of NHAI and other stakeholders is summarized in thefollowing section. NHAI has an organization structure at the corporate and project level.The reporting structure between the two levels is shown in the following figure.
Corporate Level
The NHAI, through the member (WB) will be responsible for the effectiveimplementation of the project activities. The member is assisted by a General Manager(WB) and the Project Directors of the various project packages, Separate NHAI units,Project Implementation Unit (PIU') with a Project Director as its head have beenestablished for each of these packages. International consultants have been appointed forcarrying out the feasibility study and preparation of the Detailed Project Reports anddesigns for four-laning, of the project packages.
Prolect ImPlementatlon Units
These are separate NHAI units established at the project locations for each of the projectpackages, with a Project Director (PD) as its head. The Project Director is assisted on alltechnical issues related to environment and R&R by a manager. The various Project Directors, inturn report to the General Manager (WB), who is responsible for the co-ordination of the projectpreparation activities of the various project packages.
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Consolidated Environmental Management Plan for ABP-1 (Ganga Bridge) ofAllahabad Bypass of NH-2
Figure 4.1 Structure of PIU Unit
General Manager (WB)
Environmental andSocial DevelopmentUnit (ESDU)
Project Di,reor p Corporate OfficeGM (Environment)
III
Manager (1) Manager (3) l(Technical) (R&R)
with work add. of
EnvironmentalOffice Of
f t ~~~~Supervision. . ~~~~Consultant
Enivironmental Officer of Ctonfr:lctor
The review of the preparation of the Environmental and Social assessments for the projectand ensuring effective implementation of the Environmental Management Plan/Resettlement Action Plan will be carried out by the GM (Environment) at Corporateoffice in due consultation with the manager (environment) and manager (R&R) at PIU.
Environmental Unit at the NHAI Corporate
NHAI, primarily betng a road agency, till recent past did not have the capacity to addressthe environmental/social issues likely to result because of the project. To assess, adviseand monitor the environmental performance of the various projects being planned,designed and implemented by the NHAI, an Environmental and social development(ESDU) has been established at the Corporate Office of the NHAI. The EnvironmentalUnit is headed by the General Manager (Environment), and is assisted by ONE DeputyGeneral Manager (DGM) and one manager.
The Environmental Unit is responsible for the co-ordination of the environmental andsocial issues of the various project packages and shall work in close interaction with theenvironmental managers at the various PlUs.
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Consolidated Environmental Management Plan for ABP-1 (Ganga Bridge) ofAllahabad Bypass of NH-2
4.3 Other Stakeholders
The other stakeholders, which assist NHAI include DPR consultants, independentreviewers, supervision consultants, NGO's and contractors.
DPR Consultants
The DPR Consultants assist the PIU during project preparation. The Environmental andSocial experts of the DPR consultants have been responsible for the preparation of EA asper the ToR approved by the World Bank. The major inputs of the DPR consultants endswith submission of draft documents. However, their technical inputs continue for theentire project duration on a limited scale.
Independent Reviewers
Since Allahabad bypass project has been categorised category 'A' project due tocumulative environmental and social impacts, therefore, independent reviewers have beenappointed. The reviewers reviewed the environmental and social assessments carried outby the DPR consultants and have identified missing gaps These missing gaps have beenrectified and consolidated environmental and social assessment have been submitted tothe World Bank and NHAI along with Independent Review report.
Supervision Consultants (SC)
The project envisages the use of Supervision Consultants for the implementation stage toassist the PIU during construction stage. The SC will assume the role of the Engineer andwill have the powers and responsibility for the approval of bills, etc. normally vested withthe client. These consultants will be selected through International Competitive Bidding(ICB) and it is expected that they will have substantial capability to supervise theimplementation of the environmental component of the project as part of theirassignment. Implicitly, the construction supervision consultants are expected to havespecialists to advice and co-ordinate implementation of the measures developed as part ofthe Environmental Management Plans for various construction packages of the Allahabadbypass.
Non-Governmental Organisations
The provisions envisaged in the RAP shall be implemented by Non-GovernmentalOrganisations contracted for the purpose by the PIU. Their mandate is to monitor theprogress and implementation of the proposed measures. A representative of the NGO willalso be a part of the District Level Committee which will decide the replacement value ofland and properties to be acquired. One representative of the NGO will also be a part ofthe Grievance Redressal Committee for each district.
Contractors
The execution of the works will be responsibility of the contractor. Three contractors willbe appointed by International Competitive Bids (ICB) for the three packages of thisproject. It is expected that the environmental measures will also be implemented by thesame contractors who will execute the road and bridge work It will be ensured that eachcontractor will have enough environmental/social expertise to incorporate
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Consolidated Environmental Management Plan for ABP-1 (Ganga Bridge) ofAllahabad Bypass of NH-2
environmentally-sensitised construction practices. Though each contractor will have a set-up for executing works specified in the EMP, it is expected that staff will be appointed toimplement EMP for the successful completion of the works entrusted.
44 Institutonal Needs Assessment
Need for further Strengthening of NHAI - ESDU at Corporate Office
There is a need to strengthen the ESDU unit by inducting manpower as many projects aregoing simultaneously. Additional social and environmental managers need to be inductedto assist GM environment. This induction should be according to HR pollcy of NHAI.
Need for additional capacity
During the implementation stage, construction will proceed simultaneously on the 3 subpackages of Package III. It has been estimated that the present resources of the PIU willbe extremely stretched due to overlap of construction activities. It is thereforerecommended that a separate environmental manager be inducted at PIU level sincemanager technical looking after environmental aspects will find it difficult to cope upwith the implementation work of the project.
4.5 Proposed Set-up
The proposed set up for project envisages to cover the following aspects.
* Strengthening the environmental component of the PIU and ESDU* Associate the other stakeholders in the existing team in order to implement the
provisions of the Environmental Management Plan* Integrated approach to implement EMP &-RAP* Monitor & upgrade EMP
Institutional Setting for the Project
Important issues and recommendations relevant to their identified role & responsibilitiesin the project implementation is presented in the following sections.
Prolect Implementation Unit
* Strengthening of NHAI's PIU environment team by recruiting at least oneenvironmental manager responsible for looking after environment issues.
* PIR needs to identify laboratories approved by UP Pollution Control Board anddevelop a database of laboratories to carryout onsite monitoring formulated inEMP.
* The contractor and supervision consultants should be informed of this database sothat they can procure services of only empanelled laboratories for monitoring.
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* PIU need to be adequately equipped with instrumentation and should have trainedmanpower to address environmental emergencies.
* There is a need to develop an organized reporting system in association withheadquarters.
The proposed organisational chart is given below
|____ Member EnvirnmenaleOficeWorld Bank ESDU unit at
f eh r Corporate Office
C Project DarectorS l(Allahabad Bypass)
MaItnisgexetdtatesprio Manager w Manager tTechnical t i e Envoronment (R&R)
r TeStbslcdtohC areptdohehihoeca(Proposed) (31
a Supervmsion o
ConsultantsEnvironmental Officer
Environmnental Officer
of each Contractor
Construction Supervision Consultants (CS)
The supervision consultants will assume the powers and responsibilities of the Engineer
for the Allahabad bypass and assist the PIU in implementation. It is recommended that
CS should have the following capacities/ capabilnties.
* It is expected that the supervision consultants will have the necessary capability to
supervise the implementation of the environmental measures proposed in the
EMP.
* The CS to be selected through ICB are expected to have the in-ho6se capacity toadvise on and supervise the implementation of the EMP
* The CS should have capacity for making decisions regarding applicability of
enhancement design options and any modifications, if needed.
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It is expected that the CS will employ a full time Environmental specialist. A sample ofduties and qualifications for such a specialist are given below in Box 4-1.Contractors
The Contractors are the major implementing agencies of EMP. The contractors arerecommended to employ Environmental Engineer/s. The roles and responsibilities ofthese engineers are given below.
* Ensure proper construction and maintenance of the facilities for the labour camps* Measurement and verification of quantities for environmental enhancement* Ensuring that proper environmental safeguards are being maintained at borrow
sites and quarries* Prepare the bills of quantities for the work carried out for enhancement* Ensure that proper facilities are available for the monitoring of ambient air quality
and collection of water and soil samples as mentioned in the environmentalmonitoring plan
* Ensure analysis and reporting of reporting of monitoring results
OtherAgencies
The other agencies involved in project activities include the NGO procured for theimplementation of the RAP.
Box 4-1: Draft Terms of Reference for Supervision Consultants' Environmental Specialist
The Allahabad Bypass Road Project, financed by the World Bank, integrates environmental and socialIssues in the planning and design of the Htghway. An Environmental Management Plan (EMP) has beenprepared for each construction package and is Integrated in the technical specification and contractdocuments. The prime duty of the Environmental Specialist is to supervise the implementation of the EMPby the Contractors and to ensure that the day-to-day construction activities are carried out in anenvironmentally sound and sustainable basis. The scope includes development of environmentalprocedures and good construction practices, development and delivery of training programs, etc.
Qualifications and Experience. A civil engineer preferably with postgraduate specialization in environmental engineering.. 12 years of working experience related to the integration of environmental and social issues in the
design, construction and operation of transport projects. Experience in construction management andoperational maintenance of highways is preferred.
Principal Duties. Supervise the implementation of the EMP by the Contractors.. Hold regular consultation meetings with the environmental managrat PIU. Review the Contractors' Environmental Implementation Plans to ensure compliance with the
Environmental Management Plan (EMP).. Organise periodic environmental training programmes and workshops for the staff of the Contractors,
Construction Supervision Consultants and the Project Implementation Units (PIU).. Develop good practices construction guidelines to assist the contractors in implementing the EMP.. Monitor tree plantation programmes and the periodic environmental monitoring (air, noise, water, etc.)
programmes to ensure compliance with the Statutory requirements and the EMP.. Prepare and submit regular environmental monitoring and implementation progress reports.
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Enuironmental Reportng System lERSI
Environmental monitoring involves periodic checking to ascertain whether environmentalactivities are going according to the EMP. It provides the necessary feedback for projectmanagement to keep the program on schedule. The evaluation is essentially a summingup of the project assessment of whether those activities have actually achieved theiroutcomes. The important features of ERS are summarized below.
* The reporting system will operate linearly with the contractor who is at the lowestrung of the implementation system. The contractor will report to the SupervisionConsultant, who in turn shall report to the PIU and Environmental and SocialDevelopment unit of NHAI at corporate office.
* All reporting by the contractor and Supervision Consultant shall be on a quarterlybasis.
* The ESDU in association with PIU shall be responsible for preparing targets foreach of the identified EMP activities.
* All subsequent reporting by the contractor shall be monitored as per the targets setby them before the contractors move on to the site.
* The compliance monitoring and the progress reports on environmentalcomponents may be clubbed together and submitted to the ESDU at corporateoffice and PIU, quarterly during the implementation period.
* The operation stage monitoring reports may be annual or biannual, provided theProject Environmental Completion Report shows that the implementation wassatisfactory.
* During the implementation period, a compliance report may include description ofthe items of EMP, which were not complied with by any of the responsibleagencies. This would help in rationalising the implementation of the EMP duringthe remaining duration of implementation. Solutions for further effectiveimplementation should also come out as a result of the compliance monitoringreports.
* Responsibilities for overseeing will rest with the Supervision Consultant's staffreporting to the PIU and ESDU corporate office.
* Capacity to quantitatively monitor relevant ecological parameters would be anadvantage but monitoring will primarily involve ensuring that actions taken are inaccordance with contract and specification clauses, and specified mitigationmeasures as per the EMP.
* Photographic records will also be established to provide useful environmentalmonitoring tools.
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* A full record will be kept as part of normal contract monitoring. Reporting andMonitoring Systems for various stages of construction and related activities havebeen proposed to ensure timely and effective implementation of the EMP.
The reporting system has been prepared for each of the stage of road construction namely:
- Pre construction stage- Construction Stage- Operation Stage
This reporting shall be done through:
- Reporting by the Contractor to the SC- Reporting by SC to PIU/ EDSU
The stage-wise reporting system is detailed out in the following Table 4.1.
Table 4.1: Stage-wise Reporting system
Contrctor jSupervision Consultant l Project Implementation World Bank
Form | t Contractor l __ (SC) _ Team in PWD (VB)Formo. tm Iimplementation I Oversee/ Fied)~1 -------------at No. { Item and Reporting to I Supervision IReporting to C pliice Report to Desired
1___ I SC L__ _ _ Monit,o,ri,ng` U_ _ _.SupervisionCONSTRUCTION PHASE ---------------- ---------- --- ------- -
Monitonng of I
I constuction site Beforestart of Quarterly Quarterly Half yearlyI and coistruction Iwork
-carip - -
j -_ ----------. ----Target sheet for After~ ~~~~~ HalAfterl
2 aPolluti o As required Aer Half yearlyI 00mtonng I i Monitonng j I Monitoring Moniltolp - II .. |~- ------ .. j-------------- ----------- …i Target sheet for
3 monitoring of Monthly IMonthly Quartrly Half yearly YearlybdlesaL- --- f -Quar1erly
OPERATION PHASETarget sheet for TwidAs perurngPollution I monitorng Aher Tice d aseMonitorng _ _ iL monitonng operation phaseTarget sheet for I i
2 monitonng of i Qatcl After Twice dunng2 cleaning water u cry I monitonng operation phase[bodies I l I _ _ !
The formats for the reporting of the various environmental issues through the variousstages of the project implementation are annexed to the individual EMPs.
Internalizing Environmental Exuertise In the NHAI
It is expected that NHAI will develop internal capability over the next decade in thehighways sector in India, which needs to be fully internalsed. It is important that thereshould be substantial environmental capacity beyond the staff, directly responsible forimplementing the EMP in different projects. This may be achieved through training anddissemination of information.
7400 In association with
Consolidated Environmental Management Plan for ABP-1 (Ganga Bridge) ofAllahabad Bypass of NH-2
4. Operationalisation
Operationalization of the environmental setup for this project would involve thefollowing aspects. These are:
- Identification and appointment of Staff- Procurement of NGOs, supervision consultants, contractors and other agencies
responsible for implementation
Each of these aspects is described below.
Identification and Appointment of Staff
At the project level, the PIU has already been functional. Three managers (engineers) arealready working for the project's environmental and social components. An additionalmanagerial staff will be inducted when implementation begins. It would be advantageousif this manager has post-graduate qualifications in Environmental Engineering or previousexperience on environmental related activities of road projects.
Procurement of NGOs and other Agencies
NHAI will appoint the NGO's to implement the RAP provisions. NHAI will procure theservices of any other agency, such as educational institutions for monitoring, if foundessential, during the implementation stage.
Supervision Consultants (SC)
The NHAI will appoint supervision consultant selected through International CompetitiveBid (ICB)
Contractors
Three separate contractors need to be appointed for the three sub construction packages.These contractors will be appointed through international competitive bids.
Training
The ESDU at the NHAI headquarters and the PIU, responsible for the implementation ofEMP, need to be trained on the effective implementation of the environmental issues. Toensure the success of the proposed implementation set up, there is a need for training andskill upgradation.
As part of the TNHP and GTRIP project different training program have been worked outby NHAI to incorporate the project as well as the intermediate - term capacity buildingneeds of the NHAI.
Looking into the potential requirements of each of the target groups, following trainingmodules are suggested as part of ABP.
> Module 1: Environment Overview
in association with
Consolidated Environmental Management Plan for ABP-1 (Ganga Bridge) ofAllahabad Bypass of NH-2
> Module 2: Environmental Regulations and Acts
> Module 3: Pollution
> Module 4: Environmental Impact Assessment
> Module 5: Environmental Management Plan
)' Module 6: Highways Projects and Environmental Issues
> Module 7: Environmental Issues in the Project
> Module 8: The Environmental Management Plan for Highway Project
> Module 9: Environmentally Sound Construction Management
) Module 10: Planning for Environmentally Sustainable Operation of Highways
> Module 11: Long Term Environmental Issues in Highway Management
ADDITIONAL TRAINING
A training program under ABP has been formulated taking into account the existingtraining program imparted under TNHP and the budgetary allocations. The training isfocused on the environmental issues related with road construction and both theoreticaland practical aspects are covered in it. The detailed training program for the AllahabadBypass project is given below in Table 4.2.
Table 4.2: Detailed Training Program
S. Target group Subject(s) Method Time FrameN o . _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
All NHAI staff, Environmental Overview: Lectures 3 working days;Supervision Environmental Regulations, Highway related at least 3 monthsConsultants' provisions of various Acts, EIA notifications, before theEnvironmental process and methodology for EIA, EMPs and their beginmng of theSpecialists use implementation
of the ABP32 All Managers Implementation of EMPs: Workshops 3 Working days,
(Env.) at NHAT ( Basic features of an EMP, Planning, designing and and one monthHQ & PIJ), execution of environmental mitigation and Seminars before theSupervision enhancement measures, monitoring and evaluation of constructionConsultants' environmental conditions - during construction and beginsEnvironmental operationSpecialists
3 All Managers Environmenitally Sound Construction Practices: Seminars, I week; Just(Env.) at NHAI Clean Highway construction technology , Lectures before the(HQ & PIU) alternatives materials and techniques for Highways, and Site constructionSupervision Waste Management and munimization in visitsConsultants' construction, pollution control devices and methodsEnvironmental for construction sites and equipment, EnvironmentalSpecialists, clauses in contract documents and their implications,Contractors' Environmental monitonng during construction,staff Borrow Area & Construction Camp Management
4 All Managers Monitoring Environmental Performance dunng Lectures, 2 days Dunng
(Env.) at NHAI Construction : Workshop initial phases of(HQ & PIU), Air, Water and Noise Monitoring requirement and and site constructionSupervision techniques, Evaluation and Review of results, visits
4- 10~~~fl, W ~~~~~~~In association with
Consolidated Environmental Management Plan for ABP-1 (Ganga Bridge) ofAllahabad Bypass of NH-2
S. Target group Subject(s) Method Time FrameNo. _ _ _ _ _
Consultants' Performance indicators and their applicability,
Environmental corrective actions possible, reporting requirementsSpecialists and mechanisms
5 All Managers Long-term Environmental Issues in Ihghway Workshops 3 days dunng
(Env.) at NHAI Management: and implementation
(HQ & PIU) Designing and implementing environmental surveys seminars of ABP3
for ambient air , noise, biological and water quality
surveys, data storage, retrieval and anialysis, contract
documents and environmental clauses, Risk
assessment and management, contingency planning
and management, Highways as assets-management
and value addition and highway diseases
The cost for the entire training programme will be Rs. 2.1 million, which has beenapportioned to the budget of each construction package equally.
700" / w In associatioln with
Consolidated Environpmental Management Plan for ABP-I (Ganga Bridge) ofAllahabad Bypass of NH-2
OIL INTERCEPTOR
5.1 OIL INTERCEPTOR
SL. No. Description Unit Quantity
I Excavation m3 30.83
2 Filling m3 30 33
3 P C C. (m-20) m3 2.06
4 R.C.C. (m-30) Cum. 10.44
5. Reinforcement T 1.044
6. Manhole Cover
a) 1300 x 700 1
b) 1600 x 775 1
7. 50 mm dia pipe railing m 2.50
8 Uniformly graded gravel m3 1.73
Uniformly graded sand used as oil filler m3 1.24separated by Geotextile membrane
5.2 SEDIMENTATION CHAMBER
SL. No. Description Unit Quantity
I Excavation m3 20.48
2 Filling m3 20.48
3 P.C.C. m3 1 02
4 R.C.C. m3 9.55
5 Reinforcements T 0.96
6 Manhole Cover No. I
r4/ W 5 -1
In assoclatlon with
Consolidated Environmental Management Plan for ABP-1 (Ganga Bridge) ofAllahabad Bypass of NH-2
SL. No. Description Unit Quantity
7 M.S. ring 0.45 m wide No 8
8 Cast irm paper (900 m dia.) No. 1
9 16 mm dia bar grating m 3.75
10 12 mm thick plaster m2 52.60
In as 5-2 With
In assocIatlon wIth +
Consolidated Environmental Management Plan for ABP-t (Ganga Bridge) ofAllahabad Bypass of NH-2
6 Environmental Budget
.1 Envlronmental Budget
Environmental budget has been checked considering BOQ with respect to Delhi Schedule of rates published forCPWD. The unit rates for air, water and noise quality monitoring appears to be in line with the prevailing market ratesThis budget does not include the slope and embankment protection costs. The embankment protection costs have been
.included in the DPR considering feasible options based on sensitivity analysis.
6 -1
oyr V w ~ ~~~~~~~~In association with
Consolidated Environmental Management Plan for ABP-1 (Ganga Bridge) ofAllahabad Bypass of NH-2
Table 6.1: Environmental Budget for Allahabad Bypass Project -Ganga Bridge (ABP I)
COMONENT STAGE ITEM Unit Unit Cost QUANTITY Total Cost (INR)(Rs.) l l
Mitigation/Enhancement costsConstruction Dust Management with sprinkling of water, covers for 20 600000
vehicles transporting construction material Km 30,000
Air Operation Facitities/Arrangement for vehicular exhaust monitonng No. 3,00,000 1 300,000
Water Construction Sedimentation chambers No 60000 2 120000Oil Interceptors at Vehicle parking areas No 8700 1 8700
Cascades for preventing scour of water course No 5500 20 110000Mitigation/Enhancement costs
Slope and Construction Silt fencing ,Gabon Structure, and Guide bund(forEmbankment streamlning the nver flow) etc Covered m engieenng Cost
Protection
Constructions Miscellaneous informatory signs and others L S 100,000 100,000
Provision of Hoarding/Posters regarding spread ofSafety Operation communicable diseases at Construction camps & Truck No 1,00,000 1 100000
lay bys and Provision of health checks at constructionsit s
(A) Mitigation/Enhancementcosts 1338700
Monitoring costsMonitonng near all hot mix plant locations approved by No of 3, 8-hr samples per day,
the Engineer Samples 5,000 once every season for 3 135,000Samples ~~~~years (=27) ________
Construction Monitonng at construction sites in tandem with No of 3, 24-hr samples per day
construction o 3,000 3 locations once every 324,000Air Samples month for 3 years(=108)
24 hr. per day at I location
Operation At sensitive receptors specified in the monitonng plan No of 3,000 twice a week for one month 288,000Samples in each season for three______________________________ years
(1) Ganga river Water No of Monthly for 3 years at 3 4,32,000
Construction Samples 4,000 locations (108 samples)-do - 3 sample in pre-monsoon 72000
Water Quality Operation -do- 4,000 and 3 sample in post-monsoon for 3 years
At equipment yards NoSof 1,000 As and when necessary (10 10,000Samples ,00 samples)
Construction As directed by the Engineer No of 1,000 Once every 4 months for 3 18,000
Noise Samples years at 2 locations (=18)
In association wlth
Consolidated Environmental Management Plan for ABP-1 (Ganga Bridge) ofAllahabad Bypass of NH-2
No, of ~ ~ ~ Once in every altemnative| Operation | As directed by PIU Engineer 1,000 year for 3 years at 2 6,000
Samples ~~~~~ocationsSub Totall 1285000
Training & Mobilisation CostsTraining & Construction Portion of
Traniong & Construction As per modules developed by NHAI L.S total cost of 300,000M obil sation costs and operation tram inng _________________________ ____________tr n
Facilities and Construction I monitonng kit for air,Equipments and Operation As worked out in the logistical support requirement L S 200,000 water and noise, I 200,000
Computer with pnnterErection of hoardings indicating the RoW availability No 2,000 85 170,000
Advocacy and policy and legal charges for encroachmentmaking for Holdtng meetings for policy planning and subsequent No 5,000 9 meetings in the first three 100,000prevention of Ribbon Operation review meetings with all stakeholders like the Revenue years and subsequentdevelopment Department, local elected representatives, town planning review meetings every year
authonties, NHAI, local NGOs etc (=20)
Sub Total 770000(B) Monitoring and Training Costs 2055000
Total Costs (A+B) 3393700Contingency @ 5% 169685TOTAL BUDGETED 3563385COSTS
In association with ?/,v1 -
Consolidated Environmental Management Plan for ABP-1 (Ganga Bridge) of 52iAllahabad Bypass of NH-2
Appendix -1
SPECIFICATIONS/ BEST PRACTICES FOR ENVIRONMENTALLYSOUND CONSTRUCTION AND FACILITY MANAGEMENT
The following sections describe the best practices, which should be followed duringconstruction of such projects. The major emphasis is on resource conservation, resourcerecovery and recycling so that the minimum quantity of waste is generated. Thesepractices can be modified according to prevailing construction conditions at the time ofexecution of project.
1. Vegetation Clearance
Vegetation clearance shall comprise uprooting of vegetation, grass, brushwood, shrubs,stumps, trees and saplings of girth upto 30 cm. measured at a height of one meter abovethe ground level. Where only clearance of grass is involved it shall be measured and paidfor separately. The procedure/ steps involved for uprooting, skating and felling trees aredescribed below
1.1 Uprooting of Vegetation
* The roots of trees and saplings shall be removed to a depth of 60 cm. Belowground level or 30 cm. below formation level or 15 cm below sub grade level,whichever is lower.
* All holes or hollows formed due to removal of roots shall be filled up with earthrammed and leveled.
* Trees, shrubs, poles, fences, signs, monuments, pipe lines, cables etc. within oradjacent to the area, which are not required to be disturbed during vegetationclearance shall be properly protected by the contractor at his own cost.
1.2 Staking and Disposal
* All useful materials obtained from clearing and grubbing operation shall be stakedin the mannler as directed by the Engineer.
* Trunks and branches of trees shall be cleared of limbs and tops and stacked neatlyat places indicated by the Engineer- in - charge. These materials shall be theproperty of the Government.
* All unserviceable materials are disposed off in such a manner that there is nolikelihood of getting mixed up with the materials meant for construction.
Appendix 1 - Pg-i
29ar in association with
Consolidated Environmental Management Plan for ABP-I (Ganga Bridge) ofAllahabad Bypass of NH-2
1.3 Felling Trees
Marking of tress: Trees, above 30 cm. Girth (measured at a height of one meter above
ground level) to be cut, shall be approved by the Engineer-in-charge and then marked at
the site
Felling of trees: Felling of trees shall include taking out roots up to 60 cm below groundlevel or 30 cm below formation level or 15 cm. below sub-grade level, whichever is
lower
Filling. All excavations below general ground level arising out of removal of trees,
stumps etc. shall be filled with suitable material in 20 cm. layers and compacted
thoroughly so that the surface at these points conform to the surrounding area.
Sizing: The trunks and branches of trees shall be cleared of limbs and tops and cut intosuitable pieces as directed by the Enginccr-in-charge. Wood branches, twigs of trees and
other useful material shall be the property of the Government.
Staking- The serviceable materials shall be staked in the manner as directed by theEngineer-in-charge.
Disposal: The material, which cannot be used or auctioned shall be removed from thearea and disposed off as per the directions of the Engineer-in-charge. Unsuitable waste
materials should not get mixed with construction material during disposal.
2. Earthwork
The earthwork involves excavation and filling of earth.
2.1 Excavation in all kinds of soil
* The Excavation operation shall include excavation of earth and getting out the
materials.
* The 'getting out' shall include keeping the excavated material at a distance of at
least one meter or half the depth of excavation, whichever is feasible off the edgeof excavation.
* During the excavation the natural drainage of the area shall be maintained.
* Excavation shall be done from top to bottom.
Appendix 1 - Pg-2
in association with
Consolidated Environmental Management Plan for ABP-I (Ganga Bridge) ofAllahabad Bypass of NH-2
* Under mining or under cutting shall not be done.
* The excavation shall be done true to levels, slope shape & pattern indicated by theengineer in charge.
2.2 Filling
* Lumps exceeding 8 cm. in any dimension shall be broken
* Each layer of filled material shall be watered and consolidated with steel rammeror V2 tone roller.
* Where specified every third & top most layer shall also be consolidated withpower roller of minimum 8 tones.
* The Top & sides of the filling shall be neatly raised.
* The contractor shall make good of substance & shrinkage in each fillingembankments traverse etc. during execution and fill the completion of works.
3. Damp Proof Course
Damp proof course involves cement concrete layer, curing, application of hot bitumenand usage of water proofing material. The steps/ procedures used during constructionafter incorporating environmental considerations are given below.
3.1 Cement Concrete Layer
This shall consist of cement concrete of specified proportions and thickness.
* The surface of brick or stone masonry work should be leveled and prepared beforelaying the cement concrete.
* Edge of damp proof course should be straight, even and vertical.
* Side shuttering should consist of steel forms and should be strong and properlyfixed so that it does not get disturbed during compaction and the mortar does notleak through.
* The concrete mix should be of workable consistency and should be dampedthoroughly to make a dense mass. When the sides are removed, the surface shouldcome out smooth without honey-combing.
Appendix 1 - Pg-3
In association with C0 4,
Consolidated Environmental Management Plan for ABP-1 (Ganga Bridge) ofAllahabad Bypass of NH-2
* Continuity should be maintained while laying the cement concrete layer andlaying shall be terminated only at the predetermined location where damp proofcourse is to be discontinued
* There shall be no construction joint in the Damp Proof Course.
3.2 Curing
Damp proof course should be cured for at least seven days, after which it should beallowed to dry.
3.3 Application of Hot Bitumen
* Where applicable, hot bitumen in specified quantity should be applied over thedried up surface of cement concrete, properly cleaned with brushes and finallywith a piece of cloth soaked in kerosene oil.
* Bitumen of penetration A 90 or equivalent where used shall be heated to atemperature of 1600 + 5°C.
* The hot bitumen shall be applied uniformly all over, so that no blank spaces areleft anywhere. It will be paid for separately.
3.4 Water Proofing Materials
According to specifications (if applicable) water proofing material of approved qualityshall be added to the concrete mixture in accordance with the manufacture'sspecifications stating the quantity of water proofing material in litres or kg per 50 kg ofcement, which will be paid for separately.
4. Brick Work
The brickwork should be carried out as per the following practices.
4.1 Bricks Used in the Masonry may be of the following type
* Common burnt clay bricks: Shall be hand moulded or machine moulded Theyshall be free from nodules of free lime, visible cracks, flaws warpage and origanicmatter, have a frog 100 mm Bricks made by extrusion process and brick tiles maynot be provided with frogs Each brick shall be marked (in the frog whereprovided) with the manufacturer's identification mark or Initials.
Appendix 1 - Pg-4 "/7in association with 0,~
Consolidated Environmental Management Plan for ABP-1 (Ganga Bridge) of S Allahabad Bypass of NH-2 -
Dimensions: Brick sizes will as per standard engineering practices followed in the statesof UP & Bihar. The bricks should have dimensions of 40xlOx20 mm on one of its flatsides.
Water absorption- The average water absorption of bricks when tested should not exceedmore than 20% by weight.
* Efflorescencee The rating of efflorescence of bricks when tested shall be not morethan moderate.
4.2 Brick Work
Classification: The brickwork shall be classified according to the class designation ofbrtck used.
Mortar. The major of the brickwork shall be as specified, and conformn to acceptedstandards. Lime shall not be used where reinforcement is provided in brickwork.
Soaking of Bricks: Brick shall be soaked in water before use of period for the water toJust penetrate the whole depth of the brtcks. Alternatively bricks may be adequatelysoaked in stakes by profusely spraying with clean water at regular intervals for a periodnot less than six hours. The Brick required for masonry work using mud mortar shall notbe soaked. When the Bricks are soaked they shall be removed from the tank sufficientlyearly so that at the time of laying they are skin-dry. Such soaked bricks shall be stackedon a clean place where they are not again spoiled by dirt, earth etc
4.3 Laying
* Brick shall be laid in English Bond unless otherwise specified.
* For brick work in half brick wall, bricks shall be laid in stretcher bond
* Half or cut bricks shall not be except as closer where necessary to complete thebond.
* Header bond shall be preferably in all courses in curved plan for ensuring betteralignment.
* All loose materials, dirt and set lumps of mortar which may be laying over thesurface on which brick work is to be freshly started, shall be removed with a wirebrush and surface wetted.
* Bricks shall be laid on a full bed of mortar.
Appendix 1 - Pg-5
in association with X,
Consolidated Environmental Management Plan for ABP-1 (Ganga Bridge) of #ji
-Allahabad Bypass of NH-2 W ~* When laying, each brick shall, be properly bedded and set in position by gently
pressing with handle of a trowel. It inside face shall be buttered with mortarbefore the next brick is laid and pressed against it. Joints shall be fully filled andpacked with mortar such that no hollow spaces are left inside the joints.
* The boundary or separator walls shall be taken up truly in plumb or true to the
required batter where specified.
* All courses shall be laid truly horizontal and all vertical joints shall be trulyvertical. Vertical joints in the alterriative course shall come directly one over the
other. Quoin, Jambs and other angles shall be properly plumed as the work
proceeds Care shall be taken to keep the peipends properly aligned withinfollowing maximum pennissible tolerances.
- Deviation from vertical shall not exceed 6 mm per 3m height.
- Deviation from position shown on plan of any brickwork shall notexceed 12 5 mm.
* A set of tools comprising of wooden straight edge, Masonic sprit levels, square, I -meter rule line and plumb shall be kept on the site of work for every 3 masons for
proper check during the progress of work.
All quoins shall be accurately constructed and the height of brick courses shall be kept
uniform. This will be checked using graduate wooden straight edge or storey rod
indicating height of each course including thickness of joints.
* The brickwork shall be built in uniform in layers.
* Parts of wall left at different levels shall be raked back at an angle of 45 degreesor less with the horizontal. Toothing shall not be permitted as an alternative of
raking back. For half brick partition to be keyed into main walls, indents shall be
left in the main walls.
* Where bricks cannot be cut to the required shape to form cut (maru) corners,cement concrete 1:2:4 (1 cement: 2 coarse sand: 4 graded stone aggregate 20 mm
nominal size) equal to thickness of course shall be provided in liu of cut bricks.
* Brick shall be laid with frog (where provided) up. However, when top course isexposed, brick shall be laid with frog down. For the bricks to be laid with frog
down, the frog shall be filled with mortar before placing the brick in position.
* In case of walls one brick thick and under, one face shall be kept even and in
proper plane, while the other face may be slightly rough.
Appendix 1 - Pg-6
4:7 z In association with
Consolidated Environmental Management Plan for ABP-I (Ganga Bndge) ofAllahabad Bypass of NH-2
* In retaining walls and the like, where water is likely to accumulate, weep holes, 50to 75 mm square shall be provided at 2 m vertically and horizontally unlessotherwise specified The lowest weep holes shall be at about 30 cm. above theground level. All weep holes shall be surrounded by loose stone and shall havesufficient fall to drain out the water quickly.
4.4 Joints
The thickness of all types of joints including brick wall joints and cross joints shall besuch that four course and three joints taken consecutively shall measures 30 cm. forbricks of standard sizes as per local availability.
Note: Specified thickness of joints shall be of 1 cm. deviation from the specifiedthickness of all joints shall not exceed one - fifth of specified thickness.
4.5 Fiiiishing of Joints
The face of brickwork may be finished flush or by pointing, in flush finishing either theface joints of the mortar shall be worked out while still green to give a finished surfaceflush with the face of the brick work or the joints shall be squarely raked out of a depth ofI cm. while the mortar is steel green for subsequently plastering.
The faces of brickwork shall be cleaned with wire brush so as to remove any splashes ofmortar during the course of raising the brickwork In pointing, the joilnts shall be squarelyraked out to a depth of 1.5 cm while the mortar still is still green and raked joints shall bebrushed to remove dust and loose particles and well wetted, and shall be later refilled withmortar to give ruled finish.
Some such finishes are 'flush', 'weathered', ruled, etc.
4.6 Curing
* The brickwork shall be constantly kept moist on all faces for a minimum period ofseven days.
* Brickwork done during the day shall be suitably marked indicating the date onwhich the work is done so as to keep a watch on the curing period.
4.7 Scaffolding
Scaffolding shall be strong to withstand all dead, live and impact loads, which are likelyto come on them. Scaffolding shall be provided to allow easy approach to every part ofthe work.
Appendix 1 - Pg-7 ,47),39in association with M 0 4 , t</
Consolidated Environmental Management Plan for ABP-1 (Ganga Bridge) of S lŽAllahabad Bypass of NH-2
4.8 Single Scaffolding
* Where plastering has been indicated for brickwork, single scaffolding may beprovided, unless otherwise specified.
* In single scaffolding, one end of the put-logs/pole shall be left out. Suchi holesshall not be allowed in the case of pillars, brtck work less than one meter in lengthbetween the openings or near the skewbacks of arches or immediately under ornear the structural member supported by the walls.
* The holes for put-logs/poles shall be made good with brickwork and wall finishingas specified.
4.9 Double Scaffolding
Double scaffolding having two independent supports, clear of the work, shall be providedfor exposed brickwork.
4.10 Cavity Wall
* The width of the cavity shall be 90 mm in size.
* Each leaf of the cavity wall shall not be less than 75 mm.
Bonding Units: Bonding units should be preferably precast R.C.C. units having cross-section as per the architectural drawings.
Length of the Bonding units will be sum of thickness of both leaves plus width of cavityif the leaves are 75 mm or 115 mm. Precast RCC units shall be provided with 2 no., 6 mmmild steel reinforcement bars tied with 2 no. 3 mm. dia M S. hard drawn wire cross barsplaced in the centre of units
* Cement concrete used in the bonding units shall not be leaner than M20.
Restrictions- Cavity walls shall not normally be built more than 7 5 metres in height and 9metres in length Where large lengths and heights are used, the wall shall be divided intopanels with strengthening measures such as pillars etc. Cavity shall be covered at the topwith at least two course of masonry unit and/ or a copinig over it.
5. Concrete Work
The concrete shall be designed in grades denoting characteristic compressive strength orby volumetric proportion of the nominal mix concrete of the constituents.
Appendix 1 - Pg-8
in association with C0 4,415APPYT/8V~~~~~~~~~~~~~~~~~1
Consolidated Environmental Management Plan for ABP-1 (Ganga Bridge) ofAllahabad Bypass of NH-2
5.1 Material
Water, cement, lime, fine aggregate or sand, shurkhi, cinder and fly ash shall be asspecified.
5.2 Coarse Aggregate
Most of the coarse aggregate shall be retained on 4.75 mm IS Sieve and shall containsonly as much fine material as is permitted in IS 383 for various sizes and grading. Coarseaggregate shall be stone aggregated and it shall be obtained from approved/authorizedsources.
Stone Aggregate: It shall consist of naturally occurring (uncrushed, crushed orbroken)stones. It shall be hard, strong, dense, durable and clean. It shall be free fromveins, adherent coatings, and injurious amounts of disintegrated pieces, alkali, vegetablematter and other deleterious substance. It shall be roughly cubical in shape. Flaky andelongated pieces shall be avoided It shall conform to IS: 383 unless otherwise specified
Deleterious Material: Coarse aggregate shall not contain any deleterious material, such aspyrites, coal, lignite, mica, shale or similar laminated material, clay, alkali, softfragments, seashells and organic impurities in such quantity as to affect the strength ordurability of the concrete. Coarse aggregate to be used for reinforced cement concreteshall not contain any material liable to attack the steel reinforcement. Aggregates, whichare chemically reactive with alkalis of cement, shall not be used. The maximum quantityof deleterious material shall not be more than five percent of the weight of coarseaggregate when determined in accordance with IS: 2386 Part II.
5.3 Size and Grading
Stone Aggregate: It shall be graded as specified. Nominal size and grading shall be asunder:-
Nominal sizes of graded stone aggregate or gravel shall be 40 or 12 5 mm as specifiedFor any one of the nominal sizes, the proportion of other sizes shall be in accordance withTable 12.
Table 12 Graded Stone Aggregate
IS Sieve Percentage passing (by weight) for nominal size of
Designation 40 mm 20 mm 16 mm 12.5 mm
75 mm 100 -
Appendix 1 - Pg-9
in association withw41: .07000Y / w,~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~I,
Consolidated Environmental Management Plan for ABP-1 (Ganga Bndge) of KAllahabad Bypass of NH-2
IS Sieve Percentage passing (by weight) for nominal size of
Designation 40 mm 20 mm 16 mm 12.5 mm
37.5 mm 95 to 100 100 -
19 mm 30 to 70 95 to 100 100 100
16 mm - 90 to 100 -
11.2mm - - - 90to 100
9.5mm l0to35 25to55 30to70 40to85
4.75mm 0to5 Oto 10 OtolO Oto 10
2.36 mm - - -
Staking: Aggregate shall be staked on a hard, dry and level patch of ground. When stock
piling, the aggregate shall not perform pyramids resulting in segregation of different sized
materials It shall be staked separately according to nominal size of coarse aggregates.
Stacking shall be done in regular stakes, of height not exceeding 100 cm
5.4 Fine Aggregate
Most of the fine aggregate shall pass through 4.75 mm IS sieve. Ftne aggregate shall
consist of natural sand, crushed stone sand or crushed gravel sand stone dust or marble
dust, conforming to IS. 2686. It shall be hard, durable, chemically inert, clean and free
from adherent coatings, organic matter etc. and shall not contain any appreciable amount
of clay balls or pallets and harnful impurities e.g. iron pyrites, alkalis, salts, coal, mica,
shale or similar laminated materials in such form or in such quantities as to cause
corrosion of metal or affect adversely the hardening, the strength, the durability or the
appearance of mortar, plaster or concrete. The sum of the percentages of all deleterious
material shall not exceed 5%. Fine aggregate must be checked for organic impurities such
as decayed vegetation humps, coal dust etc
Silt Content: The maximum quantity of silt in sand not exceeds 8%.
-Fine aggregate containing more than allowable percentage of silt shall be washed so as to
bring the silt content within allowable limits.
Appendix 1 -Pg-1O0
4 @^ot in association with
Consolidated Environmental Management Plan for ABP-I (Ganga Bndge) ofAllahabad Bypass of NH-2
Grading: On the basis of particle size, fine aggregate is graded into four zones. The
grading shall be within the limits given in Table 13 below Where the grading falls
outside the limits of any particular grading zone of sieves, other than 600 micron IS sieve,
by a total amount not exceeding 5 percent, It shall be regarded as falling within that
grading zone as per IS:326
Table 13Grading of Fine Aggregate
Percentage passing for
IS SieveGrading Zone I Grading Zone ll Grading Zone 1Il Grading Zone Tll
9 50 mm 100 100 100 100
4.75 mm 90-100 90-100 90-100 95-100
2.36 mm 60-95 75-100 85-100 95-100
1.18 mm 30-70 55-90 75-100 90-100
600 microns 15-34 35-59 60-79 80-100
300 microns 5-20 8-30 12-40 15-50
150 microns 0-10 0-10 0-10 0-15
Type and grading of fine aggregate to be used shall be specified. It shall be coarse sand,
fine sand, stone dust or marble dust, fly ash and surkhi. Use of sea sand shall not be
allowed, unless otherwise specified.
Sand for Masonry Mortar and for Plaster Sand shall consist of natural sand, crushed stone
sand or crItshed gravel sand or a combination of any of these. Sand shall be hard, durable,
clean and free from adherent coating and organic matter and shall not contain the amount
of clay, silt and fine dust more than specified as under.
Deleterious Material: Sand shall not contain any harmful impurities such as iron,
pyrites, alkalis, salts, coal or other organic impurities, mica, shale or similar laminatedmaterials, soft fragments, sea shale in such form or in such quantities as to affect
adversely the hardening, strength or durability of the mortar.
Grading of sand for use in masonry mortar shall be conforming to IS: 2116 (Table 14)
Grading of sand for use in Plaster shall be conforming to IS: 1542 (Table 15).
Appendix 1 -Pg-l 1 DAQ5i
in association with
Consolidated Environmental Management Plan for ABP- I (Ganga Bridge) ofAllahabad Bypass of NH-2
Table 14Grading of sand for use in masonry mortar as per IS: 2116
IS Sieve Designation Percentage passing by mass
4.75 mm 100
2.36mm 90 to 100
1. 1 8 mm 70 to 1 00
600 microns 40 to 100
300 microns 5 to 70
150 microns 0 to 15
Note: For crushed stone sands, the permissible limit on 150 micron IS Sieve is increasedto 20%. This does not affect the 5% allowance IS-2386.
Table 15 Grading of Sand for use in Plaster as per IS: 1542
IS Sieve Designation Percentage passing
10 mm 100
4.75 mm 95 to 100
2.36 mm 95 to 100
1 18 mm 90 to 100
600 microns 80 to 1 00
300 microns 20 to 65
150 microns 0 to 50
5.5 Admixtures
When required, admixtures of approved quality shall be mixed with concrete, as
specified. The admixtures shall conform to IS 9103.
Appendix 1 - Pg-1 2 !!7
In association with Cc 4 ,
Consolidated Environmental Management Plan for ABP-1 (Ganga Bridge) ofAllahabad Bypass of NH-2
5.6 Bulking
Fine aggregate, when dry or saturated, has almost the same volume but dampness causesincrease in volume. In case fine aggregate is damp at the time of proportioning theingredients for motor concrete, its quality shall be increased suitably to allow for bulkage
5.7 Stacking
Fine aggregate shall be so stacked as to prevent dust and foreign matter getting mixed upwith it as far as practically possible.
5.8 Steel for reinforcement
The steel used for reinforcement shall be any of the following types:
Mild steel and medium tensile bars conforming to IS: 432 (Part I)
Hard drawn steel wire conformning to 1S: 432 (Part II)
Types and Grades
Reinforcement supplied in accordance with this standard shall be classified in to thefollowing types:
Mild steel bars: It shall be supplied in the following two grades
Mild steel bars grade I designated as Fe 410-S.
Mild steel bars grade II designated as Fe 410-0.
Medium tensile steel bars, grade II designated as Fe 540-W-HT.
Mild steel and medium tensile steel.
Appendix 1 - Pg-13
in association withi
Consolidated Environmental Management Plan for ABP-1 (Ganga Bndge) of 5iL
Allahabad Bypass of NH-2
Table 16 Elongation Percentage of Mild steel bars
SI. Type and nominal size of Ultimate tensile stress Yield stress N/ Elongation
No. bar N/mm2 minimum mm 2 minimum percent minimum
I Mild steel grade 1, For bars 410 250 23
up to and including 20 mm
2 Mild steel grade 11, For bars 370 225 23
up to and including 20mm
3 Medium tensile steel, For 540 350 20
bars up to & including 16mm
Elongation percent on gauge length 5.65 so where so is the cross sectional area of the test
piece is shown in table 16
High strength deformed bars & wires shall conform to IS. 1786. The physical properties
for all sizes of steel bars are mentioned Table 17.
Table 17 Physical Properties of Mild steel bars
GradeSN Property
Fe 415 Fe 500 Fe 550
I 0.2% proof stress/yield stress, mm. N/mm2 415 500 550
2 Elongation, percent min on gauge length 14.5 12 8
5.65 A, Where A is the X-Sectional Areaof the test piece
3. Tensile strength 10% more than 8% more 6% moreactual 0.2% proof than actual than actualstress but not less 0.2% proof 0.2% proofthan 465 N/mm 2 stress but stress but not
not less than less than 585545 N/mm2 N/mm2
Staking and storage: Steel for reinforcement shall be stored in such a way as to prevent
distorting and corrosion Bars of different classifications, sizes and lengths shall be stored
Appendix 1 -Pg-14 !!47!5
In association with
Consolidated Environmental Management Plan for ABP-1 (Ganga Bndge) ofAllahabad Bypass of NH-2 -
separately to facilitate issue in such sizes and lengths to cause minimum wastage incutting from standard length.
6. Form Work (Centring & Shuttering)
The specifications for form-work are to be referred from 'specifications for Roads andBridge works' by MOST, Section 1500, Clauses: 1501, 1502, 1503, 1504, 1505, 1506,1507, 1508, 1509 and 1511.
6.1 Design & Tolerance in Construction
Formwork shall be designed and constructed to the shapes, lines and dimensions shownon the drawings with the tolerance given in Table 18.
Table 18: Tolerances for Formwork
Deviation from specified dimensions of cross +12 mmsection of columns and beams
Deviation from dimensions of footings + 12 mm
Dimension in plan + 50 mm
Eccentricity in plan
0.02 times the width of the footings in the directionof deviations but not less than 50 mm
Thickness
+ 0.05 times the specified thickness
6.2 General Requirement
It shall be strong enough to withstand the dead and live loads and forces caused byramming and vibrations of concrete and other incidental loads, imposed upon it duringand after casting of concrete. It shall be made sufficiently rigid by using adequate numberof ties and braces, Skew jacks or hand board wedges where required shall be provided tomake up any settlement in the form work either before or during the placing of concrete.Forms shall be so constructed as to be removable in sections in detailed sequence, withoutdamaging the surface of concrete or disturbing other sections. Care shall be taken to seethat no piece is keyed into the concrete
Appendix 1 - Pg-15
in association withw
Consolidated Environmental Management Plan for ABP-1 (Ganga Bridge) ofAllahabad Bypass of NH-2
6.3 Oiling the Surface
Shuttering gives much longer service life if the surfaces are coated with suitable mouldoil, which acts both as a perting agent and also gives surface protections. A typical mouldoil is heavy mineral oil or purified cylinder oil containing not less than 5%pentachlorophenol conforming to IS: 716 well mixed to a viscosity of 70-80 centipoise.After 3-4 uses and also in cases when shuttering has been stored for a long time, it shouldbe recoated with mould oil before the next use
6.4 Inception of Form Work
The completed form work shall be inspected and approved by the Engineer-in-Chargebefore the reinforcement bars are placed in position. Proper formwork should be adoptedfor concreting so as to avoid honey combing, blowholes, grout loss, stain ordiscolouration of concrete etc. proper and accurate alignment and profile of finishedconcrete surface will be ensured by proper designing and erection of form work whichwill be approved by Engineer-in-Charge. Shuttering surface before concreting should befree from any defect/ deposits and fully cleaned so as to give perfectly straight smoothconcrete surface. Shuttering surface should be therefore checked for any damage to itssurface and excessive roughness before use.
6.5 Erection of Form Work (centering and shuttering)
Following points shall be born in mind while checking during erection.
* Material used should be checked to ensure that, wrong items/ rejects are not used.
* If there are any excavations nearby which may influence the safety of formworks,corrective and strengthening action must be taken.
* The bearing soil must be sound and well prepared and the sole plates shall bearwell on the ground.
* Sole plates shall be properly seated on their bearing pads or sleepers.
* The bearing plates of steel props shall not be distorted.
* The steel parts on the bearing members shall have adequate bearing areas.
* Safety measures to prevent impact of traffic, scour due to water etc. should betaken
Appendix 1 -Pg-16 !!A70
in association with
Consolidated Environmental Management Plan for ABP-1 (Ganga Bridge) ofAllahabad Bypass of NH-2
* Bracing, struts and ties shall be installed along with the progress of formwork toensure strength and stability of formwork at intermediate stage. The stakedmaterials shall be placed as catered for, in the design.
* When adjustable steel props are used, they should:
6.6 General
The formwork shall include the following:
* Splayed edges, notching, allowance for overlaps and passing at angles, sheathingbattens, strutting, bolting, nailing, wedginig, easing, striking and removal.
* All supports, struts, braces, wedges as well as mudsills, piles or other suitablearrangements to support the framework.
* Bolts, wire ties, clamps, spreaders, nails or any other items to hold the sheathingtogether.
* Working scaffolds, ladders, gangways, and similar items
* Filleting to form stop chamfered edges of splayed external angles not exceeding20 mm wide to beams, columns and the like
* Where required, the temporary openings provided in the forms of pouringconcrete, inserting vibrators, and cleaninlg holes for removing rubbish from theinterior of the sheathing before pouring concrete.
7. Reinforcement
The specifications for reinforcements are to be referred from 'specifications for Roadsand Bridge works' by MOST, Sectionl600, Clauses: 1607, 1602, 1603, 1604, 1605 and1607.
7.1 General Requirement
Steel conforming for reinforcement shall be clear and free from loose mud, scales, dust,loose rust, coats of paints, oil or other coatings which may be destroy or reduce bond.
Appendix 1 - Pg-17
in association with
Consolidated Environmental Management Plan for ABP-1 (Ganga Bndge) ofAllahabad Bypass of NH-2
7.2 Assembly of Reinforcement
Bars shall be bent correctly and accurately to the size and shapes as shown in the detaileddrawings or as directed by Engineer-in-Charge. Preferably bars of full length shall beused. The overlapping bars shall not touch each other and these shall be kept apart withconcrete between them by 25 mm or l 1/4 times the maximum size of the coarse aggregatewhichever if grater. But where this is not possible, the overlapping bars shall be boundtogether at intervals not exceeding twice the dia. Of such bars with two stands annealedsteel wire of 0.90 mm to 1.6 mm twisted tight. The overlaps/splices shall be staggered asper directions of the Engineer-in-Charge. But in no case the overlapping shall be providedin more than 50% of cross sectional area at one section.
7.3 Bends and Hooks Forming End Anchorages
Reinforcement shall be bent and fixed in accordance with procedure specified in IS: 2502,code or practice for bending and fixing of bars for concrete reinforcement.
7.3.1 U-Type Hook
In case of mild steel plain bars standard U type hook shall be provided by bending ends ofrods into semi circular hooks having clear diameter equal to four times the diameter of thebar.
7.3.2 Bends
Bend forming anchorage to a M. S. plain bar shall be bent with an internal radius equal totwo times the diameter of the bar with a minimum length beyond the bend equal to fourtimes the diameter of the bar.
7.4 Anchoring Bars in Tension
Deformed bars may be used without end anchorages, provided, development lengthrequirement is satisfied. Hooks should nonrally be provided for plain bars in tension.Development length of bars will be determined as per clause 25.2.1 of IS: 456.
7.5 Anchoring Bars in Compression
The anchorage length of straight bar in compression shall be equal to the developmentlength of bars in compression as specified in clause 25.2.1 of IS: 456. The projectedlength of hooks, bends and straight lengths beyond bend, if provided for a bar incompression, shall be considered for development length.
Appendix 1 - Pg-1 8
41: In association with
Consolidated Environmental Management Plan for ABP-I (Ganga Bridge) ofAllahabad Bypass of NH-2 O
Binder, stirrups, links and the like: In case of binders, stirrups, links etc the straightportion beyond the curve at the end shall be not less than eight times and nominal size ofbar.
7.6 Placing in Position
Fabricated reinforcement bars shall be placed in position as shown in the drawings or asdirected by the Engineer-in-Charge. The bar crossing one another shall be tied together atevery intersection with two stands of annealed steel wire 0.9 to 1.6 mm thickness twistedtight to make the skeleton of the steel work rigid so that the reinforcement does not getdisplaced durng deposition of concrete. The bars shall be kept tn correct position.
8. Paving
8.1 Brick Paving
8.1.1 Bricks
Bricks of specified dimensions and designations shall be used. These shall conform to thespecifications described in 3.1. Broken bricks shall not be used in paving except forclosing the line. The bricks shall be laid on edge.
8.1.2 Mortar
The mortar used shall be as specified (in case of dry bricks flooring fine sand shall befilled in the joints).
8.1.3 Base Concrete
1. Flooring shall be laid on PCC base concrete laid to slope ranging from 1:36 to1:48 as decided by the Engineer.
2 The flooring shall commence within 48 hours of the laying of base, failing which,the surface of base shall be roughened with steel wire brnshes without disturbingthe concrete. Before laying the flooring the based shall be wetted and smearedwith a coat of cement slurry at 2 kg of cement spread over an area of one sqm soas to get a good bond between sub-grade and flooring.
8.1.4 Soaking of Bricks
Bricks required for flooring shall be adequately soaked in stacks before use, by profuselyspraying with clean water at regular intervals for a period of not less than six hours as tokeep them wet to the satisfaction of the Engineer.
Appendix 1 - Pg-19 4g 7
7.0- in association with
Consolidated Environmental Management Plan for ABP-I (Ganga Bridge) ofAllahabad Bypass of NH-2
8.1.5 Laying
The bricks shall be laid on the edge in plain, diagonal herring bone bond, or other pattern
as specified in the architectural drawings.
Bricks shall be laid on edge on 12 mm thick mortar bed and each brick shall be properly
bedded and set home by gentle tapping with trowel handle or wooden mallet. Its inside
face shall be buttered with mortar, before the next brick is laid and pressed against it.
On completion of a portion of flooring, the vertical joints shall be fully filled from the top
with mortar. The surface of the flooring during laying, shall be frequently checked with a
straight edge at least 2 m long, so as to obtain a true plain surface with the required slope.
8.1.6 Joints
Bricks shall be so laid that all joints are full of mortar. The thickness of joints shall not
exceed 1.0 cm for brick work with bricks of any class designation. The joints shall be
struck flush and finished at the time laying. The face of brick work shall be cleaned on
the same day on which brick work is laid and all mortar droppings removed promptly.
8.1.7 Curing
Brick work shall be protected from rain by suitable covering when the mortar is green.
Masonry work in cement mortar, shall be kept constantly moist on all faces for a
minimum period of seven days. Brick work carried out during the day shall be suitably
marked indicating the date on which the work is done so as to keep a watch on the curing
period.
8.2 Precast Concrete Tiles for Paving
The grade of concrete shall be use as mentioned in architectural drawing Thickness of
slab shall be as mention in drawing. It is ensure that there were no void by wet
compaction at the time of costing It must be of actual shape as per drawing. The top of
the tiles must be of smooth finished
8.2.1 Laying
The earth shall be hammed and watered to get well compact earth. The engineer shall
check the compaction of soil. Bed PCC has to be laid as mention in drawing with correct
depth and grade. Cement slurry @2kg/sqm has to be spread over the concrete to fix the
tile. The tile shall be laid within the initial setting time after the laying of PCC. The top of
the tile shall be true in slope as mention in drawing. The joints between the two adjacent
tiles shall be equal as mention in drawing.
Appendix 1 -Pg-20
in association with 0,
Consolidated Environmental Management Plan for ABP-1 (Ganga Bridge) ofAllahabad Bypass of NH-2
8.2.2 Curing
The tiles must be inserted in water after 24 hours of casting and cured in the same manner
for at least 7 days, thereafter only used at site.
The curing of the paving must be start a day after the laying of tiles and it shall be done
upto 7 days.
9. Cement Plastering
All cement plaster shall be 12 mm, thick for brick surfaces and 6 mm thick for concrete
surfaces unless otherwise stated.
Scaffolding and preparation of surfaced shall be as specified.
9.1 Cement plastering for brick-work:
The specifications for cement plastering for brickwork to be referred from 'specifications
for road and bridge works', by MOST, Sectionl300, clauses 1312.4, 1312.5 andl 312.6.
9.2 Mortar
The mortar of the specified mix using the type of sand described in the Item shall be as
specified In drawings for external work and under coat work, the fine aggregate shall
conform to grading IV For finishing coast work the fine aggregate conforming to grading
zone V shall be used.
Application: The specifications as in drawings shall apply except in the following
respects:
Beating with thlin bamboo strips shall not be done on the cement plaster, and
Further the plastering and finishing shall be completed within half an hour of adding
water to the dry mortar.
Thickness: Where the thickness required as per description of the item is 20 mm the
average thickness of the plaster shall not be less than 12 mm whether the well treated is of
brick.
9.3 Curing
Curing shall be started as soon as the plaster has hardened sufficiently not to be damaged
when watered.
Appendix 1 - Pg-21 '7 7
in association with
Consolidated Environmental Management Plan for ABP-I (Ganga Bndge) of ,i.Allahabad Bypass of NH-2
The plaster shall be kept wet for a period of at least 7 days. During this period, it shall besuitably protected from all damages at the contractor's expanse by such means as theEngineer-in-Charge may approve. The dates on which the plastering is done shall belegible marked on the various sections plastered so that curing for the specified periodthereafter can be watched
9.4 Cement Plaster with a Floating Coat of Neat Cement
The cement plaster shall be 12, 15 or 20 mm thick, finished with a floating coat of neatcement, as described in the item.
Specifications for this item of work shall be same as described in plastering item exceptfor the additional floating coat which shall be carried out as below.
When the plaster has been brought to a true surface with the wooden straight edge it shallbe uniformly treated over its entire area with a paste of neat cement and rubbed smooth,so that the whole surface is covered with neat cement coating. The quantity of cementapplied for floating coat shall be 1 kg per sq. m. Smooth finishing shall be completed withtrowel immediately and in no case later than half an hour of adding water to the plastermix. The rest of the specifications described in plastering item shall apply.
9.5 6mm Cement Plaster on Cement Concrete and Reinforced CementConcrete Work
9.5.1 Scaffoldiiig
Stage scaffolding shall be provided for the work. This shall be independent of the walls.
9.5.2 Preparation of Surface
Projecting burrs of mortar fomied due to the gaps at joints in shuttering shall be removed.The surface shall be scrubbed clean with wire brushes. In addition concrete surfaces to beplastered shall be pock marked with a pointed tool, at spacings of not more than 5 cm.Centres, the pock being made not less than 3mm deep. This is to ensure a proper key forthe plaster. The mortar shall be washed off and surface, cleaned of all oil, grease etc. andwell wetted before the plaster is applied.
9.5.3 Mortars
The mortar of the specified mix using the type of sand described in the item shall be asspecified in drawings for external work and under coat work, the fine aggregate shallconfonn to grading IV. For finishing coast work the fine aggregate confoming to gradingzone V shall be used.
Appendix 1 - Pg-22
in association with
Consolidated Environmental Management Plan for ABP-1 (Ganga Bridge) ofAllahabad Bypass of NH-2
Application: The specifications as in drawings shall apply except in the followingrespects:
Beating with thin bamboo strips shall not be done on the cement plaster, and
Further the plastering and finishing shall be completed within half an hour of addingwater to the dry mortar.
Thickness: Where the thickness required as per description of the item is 20 mm theaverage thickness of the plaster shall not be less than 12 mm whether the wall treated is ofbrick
9.5.4 Application
To ensure even thickness and a true surface, gauges of plaster l5x15 cm shall be firstapplied at not more than 1.5m intervals in both directions to serve as guides for theplastering. Surface of these gauged areas shall be truly in the plane of the finished plastersurface. The plaster shall be then applied in a unifonr surface to a thickness slightly morethan the specified thickness and shall then be brought to true and even surface by workinga wooden straight edge reaching across the gauges. Finally the surface shall be finishedtrue with a trowel or with wooden float to give a smooth or sandy granular texture asrequired Excess troweling or over working of the floats shall be avoided The plasteringand finishing shall be completed within half an hour of adding water to the dry mortar.
Plastering of ceiling shall not be commenced until the slab above has been finished andcentring has been finished and centring has been removed. In the case of ceiling of roofslabs, plaster shall not be commenced until the terrace work has been completed. Theseprecautions are necessary in order that the ceiling plaster is not disturbed by the vibrationsset up in the above operations.
9.5.5 Finish
The plaster shall be funished to a true and plumb surface and to the proper degree ofsmoothness as required. The work shall be tested frequently as the work proceeds with atrue straight edge not less than 2.5m long and with plumb bobs. All horizontal lines andsurfaces, shall be tested with a level and all jambs and corners with a plumb bon as thework proceeds.
9.5.6 Thickness
The average thickness of plaster shall not be less than 6mm The minimum thickness overany portion of the surface shall not be less than 5mm.
Appendix 1 - Pg-23
in association with
Consolidated Environmental Management Plan for ABP-1 (Ganga Bridge) ofAllahabad Bypass of NH-2
9.5.7 Curing
Curing shall be started as soon as the plaster has hardened sufficiently not to be damaged
when watered. The plaster shall be kept wet for a period of at least 7 days. During this
period, it shall be suitably protected from all damages at the contractor's expense by such
means as the Engineer-in charge may approve. The dates on which the plastering is done
shall be legible marked on the various sections plastered so that curing for the specified
period thereafter can be watched.
10. GABION structures
The specifications for gabion structures are to be referred from 'specifications for Roads
and Bridge works' by MOST, Section700, Clause: 705.
10.1 Gabion
Gabion Box - It is made appropriate geotextile material as approved by supervision
engineer on site.
Boulder - The boulder shall range in size from 400 mm to 200 mm. they should be hard
and textured
11. Dry Stone Pitching
As far as possible it should be ensured that one rainy season has elapsed before pitching
or any kind of stone work is commenced, so that the embankment has time to settle, and
loose spots in the cutting, if any, show up.
The sides and top of the embankment, as the case may be, shall be brought to the required
profile, slope and gradient and shall be compacted to a firm and even surface. The
necessary back filling, if required, may be done with small broken stone, moorum, gravel
or ballast well consolidated to proper profile. In case the soil is unreliable and if the
nature of the work requires it, a 75 mm thick layer of gravel or ballast may be provided
over the prepared surface and well consolidated.
11.1 Pitching
Pitching shall be of 22.5 cm depth, unless specified otherwise. Profiles shall first, be put
up by means of pegs and strings or by placing stones, at interval or not more than 15
meter
The cross bands of approximately 22.5 cm width through bond stones equal to full depth
of pitching, shall be provided at an interval of approximately 3 m centre to centre both
longitudinally and transversely.
Appendix 1 - Pg-24
In association with
Consolidated Environmental Management Plan for ABP-1 (Ganga Bridge) ofAllahabad Bypass of NH-2
The interstices between adjacent stones shall be filled in with stones of proper size, welldriven in with crow bars to ensure tight packing and complete filling of all intersticesSuch filling shall be carried on simultaneously with the placing in position of the largestones and shall in no cases be permitted to fall behind. Final wedging shall be done withthe largest sized chip particles, each chip being well driven home with a hammer so thatno chip is possible of being picked up or removed by hand.
12. Slope PITCHING
The specifications for dry stone pitching are to be referred from 'specifications for Roadsand Bridge works' by MOST, Section2500, Clause 2504 1, 2504.2.
12.1 Dry Brick Pitching
Preparation of surface shall be as specified.
12.1.1 Pitching
Pitching shall be half brick in depth or in multiples of half bricks, as specified. Profilesshall first be put up by means of pegs and strings or by placing bricks at intervals notmore than 15 meter, bricks shall then be laid in parallel rows breaking bond orherringbone bond pattem as directed. In the case of drains bricks shall be laid on bedwidth in parallel rows breaking bond and on sides in either of the above manner. At thetop, and at every 3m intervals, brick courses of half brick width shall be lad with brickson ends. All bricks shall be laid closely in position and firmly embedded, true to line,gradient and in uniform slope throughout.
12.2 Kerb and Channel Stones
The specifications for kerb and channel stones are to be referred from 'specifications forRoads and Bridge works' by MOST, Section400, Clauses 408.1, 408 2, 408.3, 408.4,408.4, 408.5.
13. Fencing
13.1 Chain Link Fencing
13.1.1 Materials
The chain link mesh shall be of 1.5 standard and of an approved brand. The angle sizesshall be as per drawings. The iron angles have to be free from rust, cracks and blowholes.
Appendix 1 - Pg-25
In associatlon With
Consolidated Environmental Management Plan for ABP-I (Ganga Bridge) ofAllahabad Bypass of NH-2
13.1.2 Spacing of Posts and Struts
The spacing of post shall be as per drawings or as directed by the supervision engineer.
Fixing of posts and struts will be as shown in the drawings. The angle iron must be splht
at the bottom for fixing in the concrete base.
13.1.3- Fixing of the Fencing
The chain link mesh shall be fixed with angle posts by means of 8mm diameter bolts. The
holes for the bolts shall be made 300mm centTe to centre on the iron sections. The bottom
of the fencing must be at a height of 14cm from the ground level The fencing top shall be
horizontal to the ground.
13.2 Silt Fencing
13.2.1 Materials
The wire mesh and geotextile miraf shall be of approved standard and brand. The iron
sections to be used as struts shall be of IS standard and free from rust, cracks etc
13.2.2 Assemble
The angles are to be assembled as per drawing and directtons of supervision engineer
The mesh has to fixed with the frame after the geotextile material is fixed with the mesh.
13.2.3 Fixing
The fencing shall be fixed at site in such a manner that the geotextile material is placed
next to the silt.
14. Horticultural and Landscaping Works
14.1 General
14.1.1 Scope
Contractor to furnish all materials, labor and related items necessary to complete the work
indicated on drawing and specified herein.
Appendix 1 - Pg-26
4:7-01411"Y V in association with
Consolidated Environmental Management Plan for ABP-1 (Ganga Bridge) ofAllahabad Bypass of NH-2
14.2 Materials
14.2.1 Plant Materials
* Plant Materials shall be well fomied and shaped true to type, and free fromdisease, insects and defects such as knots, sun-scaled, windburn, injuries, abrasionor disfigurement.
* All plant materials shall be healthy, sound, vigorous, free from plant diseases,insect's pests, of their eggs, and shall have healthy, well-developed root systems
* All plants shall be hardy under climatic conditions similar to those in the locallyof the project
* No plant material will be accepted if branches are damaged or broken. Allmaterial must be protected from the sun and weather until planted.
* Any nursery stock shall have been inspected and approved by the EnvironmentalSpecialist of the Engineer
* All plants shall confirm to these requiremenlts specified in the plant list. Exceptthat plants larger then specified may be used if approved, but use of such plantsshall not increase the contract price. If the use of the larger plant is approved, thespread of roots or ball of earth shall be increased in proportion to the size of plant
* Deliver plants with legible identification labels.
14.2.2 Top Soil (Good Earth)
* Top soil or good earth shall be a friable loam, typical of cultivated top soils of thelocality containing at least 2% of decayed organic matter (humus).
* It shall be taken from a well-drained arable site.
* It shall be free of subsoil, stones, earth skids, sticks, roots or any otherobjectionable extraneous matter or debris.
* It shall contain no toxic material
* No topsoil shall be delivered in a muddy condition.
* It shall have pH value ranging between 6 to 8 5.
Appendix 1 - Pg-27 /01
In association with 5z ,41,
Consolidated Environmental Management Plan for ABP-I (Ganga Bridge) ofAllahabad Bypass of NH-2
14.2.3 Fertilizer
Dry okhla sludge can be used Measurement of sludge shall be in stacks, with 8%
reduction for payment It shall be free from extraneous matter, harmful bacteria insects or
chemicals. (Subjected to safety norms).
14.2.4 Root System
The root system shall be conducive to successful transplantation. While necessary, the
root-ball shall be preserved by support with Hessaian or other suitable material. On soils
where retention of a good ball is not possible, the roots should be suitably protected in
some other way, which should cause any damage to roots
14.2.5 Condition
Trees and shrubs shall be substantially free from pests and diseases, and shall be
materially undamaged. Torn or lacerated roots shall be pruned before dispatch. No roots
shall be subjected to adverse conditions such as prolonged exposure to drying winds or
subjection to water lodging, between lifting and delivery.
14.2.6 Supply and Substitution
Upon submission of evidence that certain materials including plant materials are not
available at time of contract, the contractor shall be permitted to substitute other and
plants, with an equitable adjustment of price. All substitutions shall be of the nearest
equivalent species and variety to the original specified and shall be subjected to the
approval of the Landscape Architect.
14.2.7 Packaging
Packaging shall be adequate for the protection of the plants and such as to avoid heating
or drying out.
14.2.8 Marking
Each specimen of tree and shrub, or each bundle, shall be legibly labeled with the
following particulars:
* Its name
* The name of the supplier, unless otherwise agreed.
* The date of dispatch from the nursery.
Appendix 1 - Pg-28 f7 /7
in association with 04
Consolidated Environmental Management Plan for ABP-1 (Ganga Bridge) ofAllahabad Bypass of NH-2
14.3 Tree Planting
14.3.1 Plants and Shrubs
Trees should be supplied with adequate protection as approved. After delivery, if plantingis not to be carried out immediately, balled plants should be placed check to check andthe ball covered with sand to prevent drying out. Bare rooted plants can be heeled in byplacing the roots in prepared trench and covering them with earth which should bewatered into avoid air pockets round the roots. Trees and shrubs shall be planted as shownin architectural drawings and with approval of site supervision.
14.3.2 Digging of Pits
* Tree pits shall be dug a minimum of three weeks prior to backfilling.
* The pits shall be 120cms in diameter and l20cms deep.
* While digging the pits, the topsoil upto a depth of 30cms may be kept aside, iffound good (depending upon site conditions), and mixed with the rest of the soil.
* If the side of the below, it shall be replaced with the soil mixture as specifiedfurther herein.
* If the soil is normal it shall be mixed with manure.
* The bottom of the pit shall be forked to break up the subsoil.
14.3.3 Back Filling
The soil back filled watered through end gently pressed down, a day previous to planting,to make sure that it may not further settle down after planting. The soil shall be presseddown firmly by treading it down, leaving a shallow depression all round for watering.
14.3.4 Planting
* No tree pits shall be dug until final tree position has been pegged out for approval.
* Care shall be taken that the plant sapling when planted is not be buried deeperthan in the nursery, or in the pot
* Planting should not be carried out in waterlogged soil.
Appendix 1 - Pg-29
in association with
Consolidated Environmental Management Plan for ABP-1 (Ganga Bndge) ofAllahabad Bypass of NH-2
* Plant trees at the original soil depth; soil marks on the stem is an indication of thisand should be maintained on the finished level, allowing for setting of the soilafter planting.
* All plastic and other imperishable containers should be removed before planting.
* Any broken or damage roots should be cut back to sound growth.
* The bottom of the planting pit should be covered with 50mm to 75mm of soil.
* Bare roots should be spread evenly in the planting pit; and small mound in thecenter of the pits on which the roots are placed will aid on even spread.
* Soil should be placed arounld the roots, gently shaking the tree to allow the soilparticles to shift into the root system to ensure close contact with all roots andprevent air pockets.
* Back fill soil should be finmed as filling proceeds, layer by layer, care being takento avoid damaging the roots, as follows.
* 200gms of 13% Lindane dust (Lindane dust is not allowed to be used,chlorocyriphos dust) shall be sprinkled on walls of pit, and initially pit shall befilled to 200 depth with earth mixed with 50gms of Lindane dust orchlorocyriphos dust
* The balance earth shall be filled in a mixture of 1 3 (I part sludge to 3 part earthby volume) and 50gms potash, (Mop) 50gms of Super Phosphate and 1Kg. Neemoil cake. Aldrin or equivalent shall be applied every 15 days in a mixture of 5ml in5 litres of water.
14.3.5 Staking
Newly planted trees must be held firmly although not rigidly by staking to prevent apocket formning around the stem and newly formed fibrous roots being broken bymechanical pulling as the tree rocks.
Methods:
The main methods of staking shall be:
(A) A single vertical shake, 900mm longer than the clear stem of the tree, driven600mm to 900mm into the soil.
Appendix 1 - Pg-30 , > 7
in association with l
Consolidated Environmental Management Plan for ABP-1 (Ganga Bndge) ofAllahabad Bypass of NH-2
(B) Two stakes as above driven firmly on either side of the tree with a cross bar to
which the stem is attached. Suitable for bare- rooted or Ball material.
(C) A single stake driven in at an angle at 45 degrees and leaning towards the
prevailing wind, the stem just below the lowest branch being attached to the stake.
Suitable for small bare- rooted or Ball material
(D) For plant material 3m to 4.5m high with a single stem a three- wire adjustable guy
system may be used in exposed situations.
The end of stake should be pointed and the lower Im to 1.2m should be coated with a
non-injurious wood preservative allowing at least 150mm above ground level.
Tying
Each tree should be firmly secured to the stake so as to prevent excessive movement.
Abrasion must be avoided by using a buffer, rubber or Hessian, between the tree and
stake. The tree should be secured at a point just below its lowest branch, and also just
above ground level; nonmally two ties should be used for tree. These should be adjusted
or replaced to allow for growth.
14.3.6 Watering
The Landscape Contractor should allow for the adequate watering in of all newly planted
trees and shrubs immediately after planting and he shall during the following growing
season, keep the plant material well watered.
14.3.7 Fertiliser Usage
The fertilizers usage should be such that the turn of all the fertilizers come after, every 15
days from the beginning of the monsoon till the end of winter:
Sludge or organtc well-rotted dry fanr yard manure: 0.05 cum or tussle.
2. Urea 25gm.
3. Ammonium sulphate 25gm.
4. Potassium sulphate 25gm.
All shrubs, which are supplied pot grown, shall be well soaked prior to planting.
Watering in and subsequent frequent watering of summer planted container- grown plants
is essential.
Appendix 1 -Pg-31
-170 V in association with
Consolidated Environmental Management Plan for ASP-1 (Ganga Bndge) ofAllahabad Bypass of NH-2 00 --
14.4 Shrub Planting In Planter Beds
All areas to be planted with shrubs shall be excavated, trenched to a depth of 750mm,
followed by refilling the excavated earth after breaking clods and mixing with sludge in
ratio 8.1 (8 parts of stacked volume of earth after reduction by 20%: 1 part of stacked
volume of sludge after reduction by 8%.)
For planting shnubs and ground cover shrubs in planters, good earth shall be mixed with
sludge in the proportion as above and filled in planters.
Positions of planters should be marked out in accordance with the architectural drawing.
14.5 Grassing
The specifications for grassing/turfing are to be referred from 'specifications for Roads
and Bridge works' by MOST, Section300, Clauses 307.1, 307.2 307.3.
14.5.1 Preparation
During period prior to planting, the ground shall be maintained free from weeds. Grading
and preparation of the area shall be completed at least three weeks prior to the actual
sowing. Regular watering shall be continued until sowing by dividing the area into
portions of approximately 5 m squares by constructing small btinds to retain water. These
'bunds' shall be levelled just prior to sowing of grass plants; it shall be ensured that the
soil has completely settled.
14.5.2 Soil
The soil itself shall be ensured to the satisfaction of Landscape Architect to be a good-Fibrous loam, rich in humus.
14.5.3 Sowing the grass roots
* Grass roots (cynodon dectylon or a local genus approved by the LandscapeArchitect) shall be obtained from a grass patch, seen and approved before hand.
* The grass roots stock received at site may be stored and shall be manually clearedof all weeds with water sprayed over areas.
Appendix 1 - Pg-32 /. 7
4! 1: in association with
Consolidated Environmental Management Plan for ABP-1 (Ganga Bridge) ofAllahabad Bypass of NH-2
14.5.4 Execution
Small roots shall be dibbled about 5 cm apart into the prepared grounds. Grass will onlybe accepted as reaching practical completion when germination has proved satisfactoryand all weeds have been removed.
14.5.5 Maintenance
As soon as the grass is approximately a 3 cm high it shall be rolled with a light woodenroller - in fine, dry weather - and when it has grown to 5 to 8 cms, above to the groundweeds must be removed and regLIlar cutting with the scythe and rolling must begun. Atop-dressing of an ounce of guano to the square yard or well decomposed well brokensludge manure shall be applied When the grass is sufficiently secure in the ground tobear the mowing machine, the blades must be raised an inch above the normal level forthe first two or three cuttings. That is to say, the grass should be cut so that it is from 4 to5 cms in length, instead of the 3 cm necessary for mature grass
In the absence of the rain, during the monsoon, the lawn shall be watered every ten daysheavily, soaking the soil through to a depth of at least 20 cms.
Damage failure or dying back of grass due to back neglect of watering especially forseeding out normal season shall be the responsibility of the contractor. Any shrinkagebelow the specified levels during the contract or defect liability period shall be rectified atthe contractor's expanse. The contractor is to exercise care in the use of rotary cultivatorand mowing machines to reduce to a minimum the hazar-ds of flying stones and brickbats.All rotary mowing machines are to be fitted with safety guards.
14.5.6 Rolling
A light roller shall be used periodically, talking care that the area is not too wet andsodden.
14.5.7 Edging
These shall be kept neat and must be cut regularly with the edging shears
14.5.8 Fertilising
The area shall be fed once in a month with liquid manure prepared by dissolving 45 grinsof ammonium sulphate in 5 litres of water.
Appendix 1 - Pg-33
41:110700yr 7/ w In association with
Consolidated Environmental Management Plan for ABP-1 (Ganga Bridge) ofAllahabad Bypass of NH-2
14.5.9 Watering
Water shall be applied at least once in three days during dry weather. Watering whenever
done should be thorough and should wet the soil at least up to a depth of 20 cms.
14.5.10 Weeding
Prior to regular mowing the contractor shall carefully remove rank and unsightly weeds
14.6 Maintenance
14.6.1 Culvitating
The Landscape Contractor shall maintain all planted areas within Landscape contractboundaries for one year until the area is handed over in whole or in phases. Maintenanceshall include replacement of dead plants, watering, weeding, cultivating, control of
insects, fungus and other diseases by means of spraying with an approved insecticide or
fungicide, pruning, and other horticulture operations necessary for proper growth of the
plants and for keeping the landscape sub-contract area neat in appearance.
14.6.2 Pruning aiid Repairs
Upon completion of planting work of the landscape sub-contract all trees should be
pruned and all injuries repaired where necessary. The amount of pruning shall be limited
to the necessary to remove dead or injured twigs and branches and to compensate for the
loss of roots and the result of the transplanting operations. Pruning shall be done in such amanner as not to change the natural habit or special shape of trees
14.6.3 Tree Guards
Where the tree guards are necessary, care should be taken to ensure that they do not
impede natural movement or restrict growth. Two types of tree guards are proposed on
the Grand Trunk circular iron tree guards and barbed wire fencing, the specifications for
which one given below.
Circular Iron Tree Guard with Bars (Refer Figure 1)
The tree guard shall be 50 cm in diameter.
The tree guards shall be formed of (t) 3 Nos. 25x25x3mm angle iron verticals 2.00m long
excluding splayed outward at lower end upto an extent of 10 cms. (ii) 3 Nos. 25x25mm
MS flat rings fixed as per design (iii) 15 Nos. 1 55 metres long 6mm dia bars. Each ring
shall be in two parts in the ratio of 1:2 and their ends shall be turned in radially for a
Appendix 1 - Pg-34
-11140700yor"l?"W ~ ~~in association with 0'''11
Consolidated Environmental Management Plan for ABP-1 (Ganga Bridge) of ¢j.Allahabad Bypass of NH-2
length of 4 cm at which they are bolted together with 8mm dia and 30mm long MS bolts
and nuts.
The vertical angle irons shall be welded to rings along the circumference with electric
plant 15 Nos. bars shall be welded to rings at equal spacing along the circumference of
ring. The lower end of the angle iron verticals shall be splayed outwards upto an extent of
1 Ocm. The lower end of the flat of lower ring shall be at a height of 45cm. and upper end
of the flat of top ring shall be at the height of 2.00 metres. The middle ring shall be in the
center of top and lower ring. The bars shall be welded to rings as shown in the drawing
The entire tree guard shall be given two coats of paint of approved brand and of required
shade over a priming coat of ready mixed primer of approved brand The design of the
tree guard shall be as shown in the drawing
\, T, 1`-7 , -k Wl ,, '4A , ; -.
t ti_J-L '@ $ *L-U'. .1 "XIrfAA~ W1l' TT h.' }rAlHz
['8,, aT~~~~~~~~~~~~~~~~~~~IV 1Q,.
Barbed Wire Fencing with Angle Iron Posts
Materials: Barbed wire shall be as per IS-278. The angle shall be 40x40x6, free from
rest, cracks and blowholes.
Spacing of Post & Streets: The spacing of post shall be 3.00m centre to centre, unless
otherwise specified or as directed by engineers to dimensions, which shall be nearest to
the 3m. Last but one end post's and corner post shall be strutled on both side and end post
on one side only. Fixing of post & struts shall be as shown in drawing the angle iron must
be split at bottom end.
Appendix 1 - Pg-35
in association with
Consolidated Environmental Management Plan for ABP-1 (Ganga Bridge) ofAllahabad Bypass of NH-2
Fixing Barbed Wire: The barbed wire shall be stretched and fixed in specified numberof rows and two diagonals. The bottom row should be 14 cm above ground level and [email protected] cm centre to centre. The diagonal weir shall be stretched between adjacent postsfrom the top wire of one post to the bottom weir of 2nd post The barbed wire shall be heldby tearing the holes of 10mm dia in the post and tied wtth GI wire turn buckles andstraining bolts shall be used at the end post.
14.6.4 Nursery Stack
Planting should be carried out as soon as possible after reaching the site. Where plantingmust be necessity he delayed, care should be taken to project the plants form pilfering ordamage from people animals. Plants with bare-roots should be heeled- in as soon asreceived or otherwise protected from drying out and others set closely together andprotected from the wind. If planting is to be delayed for more than a week, packagedplants should be unpacked, the bundles opened up and each group of plants heeled inseparately and clearly labeled. If for any reason the surface of the roots becomes dry theroots should be thoroughly soaked before planting.
14.6.5 Completion
On completion, the ground shall be formed over and left tidy.
SPECIAL CONDITIONS AND PARTICULAR SPECIFICATONS.
1. Wherever applicable, work shall be done according to C.P.W.D. specifications atthe time of invitation of tender.
3. Water shall be made available, near the tube well at one point. Contractors shallmake their own arrangement for drawing water from there. Water charges as perthe value of work done shall be deducted from the contractors Bills.
4. If electricity is required for the works, the same shall be made available at onepoint within the site of works, for which recovery at the prevailing rate per unitshall be deducted from the contractors' bill.
5 The work mentioned in the schedule of Quantities include grassing as well asplanting of trees and shrubs. 'Contractors' quoted rates shall include execution ofthese works at different levels. No extra cost shall be paid for any item, forworking at these levels.
6. The Contractor shall provide all facilities to Landscape Architect / ProjectEngineer and / or his authorized representatives to make frequent inspection oftheir Nursery and ascertain the process / quality of various categories oftrees/plants etc., grown by them.
Appendix 1 - Pg-36 g
~4W 7 O in association with
Consolidated Environmental Management Plan for ABP-I (Ganga Bndge) ofAllahabad Bypass of NH-2
7. The safe custody and up-keep of various categories of plants brought to site is thesole responsibility of the contractor and he shall employ sufficient supervisorypersonnel to ensure the safety of these items.
8. The site of work may be handed over to the contractors for execution of work inphases, as soon as the same are available. Nothing extra shall be payable for suchphased execution of work.
9.. While excavating / executing the work the contractors shall ensure that existingcables / pipe lines / structures / fittings are not damaged.
10. The Contractor shall co-ordinate his work witlh other agencies employed by theClients and ensure that the work of other agencies is not hampered in any waydunng the duration of contract.
11. The Contractor shall keep the site of works neat and clean during the execution ofthe work. Any debris found at or near the site of work shall be rescuedimmediately as and when so required by the landscape Architect / ProjectEngineer.
12. On completion of the work, the site of work shall be thoroughly cleaned and alldebris removed before the work is handed over satisfactorily.
13. The Contractors shall, without any additional charge to the clients, renew orreplace any dead or defective plants/grass and shall fully maintain the wholelandscape for a period of 12 months after the certified date of completion.
14. Trees shall be of minimum length as specified in the schedule of quantities andshall be straight and symmetrical with a crown and having a persistent main stem.The size of crown shall be in good over all proportion to the height of the tree.
15 Small trees and shrubs shell be well fonned with e crown typical of the species orvariety.
16. GENERAL REQUIREMENTS OF PLANTS
* Plants shall be typical of their species and variety, well developed branches, andwell foliated with fibrous root system. Plants shall be free from defects andinjuries. Plants shall not be pruned before planting.
* Plants shall be free from defects and injuries.
* Plants shall not be pruned before planting.
* Plants shall not be freshly dug and nursery grown.
Appendix 1 - Pg-37
in associalion with
Consolidated Environmental Management Plan for ABP-1 (Ganga Bridge) ofAllahabad Bypass of NH-2
* Nursery grown plants shall have been at least once transplanted
* Bark shall be free from abrasion.
* All trees, soon after planting, shall be properly supported with bamboo stocks toensure their safety against winds or any other factor, which may affect it
adversely.
20. PROTECTION OF "TREE TO BE PRESERVED"
The contractor shall be responsible for the protection of tops, trunks and roots of existing
trees on site. Existing trees subject to the construction damage shall be boxed, fenced orotherwise protected before any work is started
21. GENERAL REQUIREMENTS OF EARTH MANURE AND FERTILISERS
EARTH
Good earth shall be agricultural soil of loamy texture, free from kankar, morrum,shingles, rocks, stones, building rubbish and any other foreign matter. The earth shall be
free from clods or lumps of sizes bigger than 50mm in any direction It shall have pH
ranging between 6.5 to 7.5.
MANURE
Manure shall be of well decayed organic matter obtained in dry state from the Municipaldump or other similar source approved by the Project Engineer. The manure shall be freefrom earth, stone or other extraneous matter. Manure shall be supplied, at site well
screened.
FERTILIERS:
If the soil tests indicate pH value not as per the above specification namely between 6.5 to7 5, following measures need to be taken
* If pH exceeds 7.5, aluminium sulphate or equivalent fertilizer should be added atthe rate of 1 kg per cubic metre to lower the pH by one full point.
* If pH is below 6.5, add ground limestone or equivalent fertilizer at the rate of I kg
per cubic metre to raise pH by one full point.
Appendix 1 - Pg-38
49 y v r In association with p
Consolidated Environmental Management Plan for ABP-Il ofAllahabad Bypass of NH-2
Appendix -2A
BORROW AREA CHART SHOWING AVAILABILITY OF SOIL FOR
CONSTRUCTION OF EMBANKMENT AND SUBGRADE
(Along Bypass alignment)
TO KANPUR
500m. 2000m.
AKHAIBARI PUR KM 165 NARSING DHAM,
NAUBASTA
225000 m3 318750 m3
100-150M
KM 165,5 BARIPUR
187500 m3
300-
35Gm.
KM 166 SUKULPUR
75000 m3
500m.
KM 166.5 SAMASPUR
75000 m3
150-200m
JEHANABAD ------------------- KM 170
187500 m3
Appendix- 2A- Pg- 1'Sz: WIn association with
Consolidated Environmental Management Plan for ABP-II ofAllahabad Bypass of NH-2
150-200m.
KM 173.55 PATNA
1 112500 m3
150-200m
SINGHBERPUR KM 174.2
75000 m3
100-200m.
MINDRA KM 178
206250 m3
100-150m.
MALAK BALAU KM 183
93750 m3
150-200m.
KM 187 -SARASWATI PUR
56250 m3
200-300m.
KM 195.25 SHEOGARH
18750 m3
500-600m.
KM 196.5 SORAON
26250 m3
150-200m. I 150-200m.
TULAPUR KM 200 SEBAIT
9375 m3 9375 m3
100- 150m.
KM 205.5 BANKAT
56250 m3
200-300m.
Kr 207 BIDURA
Appendix- 2A- Pg- 2 r g
4:1 7z qIn association with
Consolidated Environmental Management Plan for ABP-11 ofAllahabad Bypass of NH-2
63750 m3
200-300m.
DERAGADAI KM 1209.2
93750 m3
300-400m.
PARANDHI KM 11.3
37500 m3
200-300m.
BHOPAT PUR KM| 217
26250 m3
400-SOOm.
BAGAI KHURD KM 220.9
18750 m3
200-300m.
KM 1221.9 -KH:UDAIPUR
37500 m3
200-300m.
KM 225.5 JALALPUR KASAWA
26250 m3
200-300m.
MOHIUDDINPUR KM 227
37500 m-3-------------------
SOOm.
SALEMPUR KM 229
16875 m3 -----
SOOm.
BALAPUR K 1 229
Appendix- 2A- Pg- 3In association with
Consolidated Environmental Management Plan for ABP-11 ofAllahabad Bypass of NH-2
90000 m3
100- 150m.
SALAMPUR KM 231
1500Gm3 l
300-500m. I
DHARAHAN KM 234.2
30000 m3
200-
300m.
KARAUHAN KM 234.3
11250m 3
200m.
KARAUHAN KIM
234.45
7500 m3
150-200m.
KARAUHAN KM 234.5
56250 m3
300-400m.
KM 236 DHUDHUA
56250 m3
1100-150m.
KM 240.3 A. BAGAHA JOGAPUR
18750m3
TO VARANASI
Appendix- 2A- Pg- 4in association with A 1 '1 verylo, 7/w~~~~~~~~4%
Consolidated Environmental Management Plan for ABP-II ofAllahabad Bypass of NH-2
Appendix -2B
BORROW AREA CHART SHOWING AVALABILITY OF SOIL FOR
CONSTRUCTION OF EMBANKMENT AND SUBGRADE
(Along Existing NH-2 alignment)
TO KANPUR
KM 150
KM 152
Some borrow areas of Package III
KM 154 - A w e used. 2.5 lakhs cum.
(appr x.) available.
KM 156
KM 158
300m.
KM 235 ASEPUR
25000 m3
200m.
BEENDA KM 237.3
20000 m3
2200m.
Appendix 2B Pg-I
vvrlyo" V w Inasseciationwith
Consolidated Environmental Management Plan for ABP-11 ofAllahabad Bypass of NH-2
BAJAHAN KM 239
MISHRON
30000 m3
10m.
MAHUA DEEH KM 239.5
160000 m3
300m.
ANJANA KM 240.8
35000 m3
420m.
KM 241.18 ANJANA
50000 m3
1000m.
KM 241.55 RAGHUPUR(BHE
SKI)
72000 m3
150m.
KHUSARI K\ 243
36000 m3
900-2800m.
MONGRAON(W) KM 244.65
270000 m3
3000m.
KM 246.7 RAKHIPU
R
120000 m3
300m.
KM 248.4 BASUPUR
93000 m3
l--- -- - -- -- - - 200m .
Appendix 2B Pg-2In association with -Mg A .
Consolidated Environmental Management Plan for ABP-II ofAllahabad Bypass of NH-2
KM 249.8 CHAKAMADA
38000 m3
350m.
UPRADHA -KMI 252.5
140000 m3
-- - 2OI -m-----------
UPRADHA KM 1252.55
130000 m3
150m.
BARAUT KMI 255.3
MARKET
30000 m3
50m.
BARAUT KM 255.4MARKET40125 m3
TO VARANASI
Appendix 2B Pg-3yInasseciationwith
Consolidated Environmental Management Plan for APB-II ofAllahabad Bypass of NH-2
ADpendix - 3
List of Ponds in the project corridor
Chainage No. of Type/Use of pond Type of Effect Options Details of pond area getting affected Size of Pond (M2)
no. Pond
175-176 1 Community pond Completely getting Relocation of the pond can be made in nearby village Length along bypass 150m 10500affected fields (presently fallow)
187-188 1 Community Pond completely getting A very small pond and presently of no use for the Length 20 2m and width around 9m 181 8affected villagers and hence there is no problem of relocation
I Agneultural cum completely getting Needs relocation Length around 80m and width around 35m 2800Communuty affected
188-189 I Agncultural cum completely getting Presently is of no use and no relocation measure is Length around 75 m and the width adound 15 m 1125Community affected required there
in association with
Consolidated Environmental Management Plan for APB-ll ofAllahabad Bypass of NH-2
Appendix-4
Water bodies identified for providing oil cum sedimenttraps along Allahabad Bypass Alignment
Si. No. LOCATION I TYPE OF CROSSINGChainage at center point -- _-_-__--
01 ___ j __ = 159.869 |___-Drain
02 i 162.262 Stream
03 163.267-164.280 Ganqa River1 _65.9 _ _Stream--- 165.9 ~~~~~~~~~~~~~~~~~~~~~-- ------------- -----------
05 166.362 Doab River _
06 1 166.752 Drainage Canal07 r ___ 167.488 __ Stream08_ =- __ ,,_ _ =~~~~ ~ --~~-~~--~~-~ __ _,,,168.050 Stream
09 - - ~~~~~~~~~~171.800 -- Stream __
1°0= --1 _ -- 172934 1 Streami2 - 1738 2_ _ Stream -
12 ~~~~~~~~~~~178.125 Stream -- - ------
13 _t__ __ _ 178.982 Stream
14 180.160/170 - Stream15__ _ 181.125 Stream1i6 - 183.934 Stream17 _ r-187.02 _ Stream18 1 176.300 Canal =___
19 - _ 181.988 __. __Canal - _20 i-= ----j---------- 185.305/320 __ Canal
21 185.680 Canal _
22 i 186 425 _ Canal
23 i 187.712 - Canal_ _ _ _ _4 _ _ _ _____ : __--------- -----------~~~- ------------ ----- ------- ---------- ---------- ------------- ----------- - ---
24 - - 190.817 Canal25 192.435 Canal
26 1 _ i94,040 - - - - _ Canal27 , F _ _194.518 l _ Canal28 - [- 195.169 _Canal_29 1 f = = = 195:844 Canal30 I _ 1 ____196.605 Canal31 197.934 Canal
In association lt,h
Consolidated Environmental Management Plan for APB-III ofAllahabad Bypass of NH-2 2
Appendix - 3
List of Ponds in the project corridor
Chainage No. of Type/Use of pond Type of Effect Options Details of pond area getting affected Size of Pond (M2)no. Pond
200-201 1 Community pond Partially getting No relocation is required Length around 75 m and width adound 10 m 750affected
203-204 1 Consnunity Pond completely getting A good community pond require relocation Length around 144m and the width around 70m 7980affected
205-206 1 Comrnmunity Pond/Presently Partially getting Villagers do not get any benefit from the pond and hence Length around 20m and width around ISm 300of no use affected they do not have any problem if this pond is getting
affecetd due to the Bypass
216-217 1 Not a pond as such ,canbe Completely getting No wateris there even in the ranyseason hence no Length around 155m and width around 110m 17050termed as a low land being affected relocation option is required.surrounded by embankments
229-230 1 Conimunity pond Completely getting Needs relocation Length around 40m and width around 34 m 1360affected
236-237 1 Agncultural Pond Completely getting Needs relocation Length around 50m anld width around 25 m 1250affected
237-238 1 Comnunity pond Completely getting Needs relocation Length is around 50m and width around 25 m 1250affected
239-240 1 Agncultural Pond Completely getting Needs relocation Length around 20m and width around 50m 1000affected
In association with f070 0 oyr w~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Consolidated Environmental Management Plan for APB-li ofAllahabad Bypass of NH-2
Appendix-I
Drinking Water Resources within likely Area ofDirect Influence of Allahabad Bypass
Chainage Water Tank I Pump House | Tube well/Hand j WellPump
9 -~~~~~~~~~~~~~~~~~~--- -- - ----------------- ------- 1--- 5----5---9------' --'---T-' --- --------- ------- ---- ------------ r-___ ____ _ _ _ ___ ___
159-160 1 - - 1 --160~~~~~~ ~~~~ ----~t-~~~~~~~ ~~~- -~~~ -~~~ ~ ~~ - ~~~ ------ - ------ - ~ -1 ~ ~~t- ------- ---- ~ ~ ~~~~
- 1-i- 6 -i ---- --- ------- ------- - -- - - ------- -------------
169-170 - I L - 1I~~ -… -.-------- t -i --- ~~~~~| ~~~~~~~~ ~~--- - - --- ----- ----- - ---- -- ----173-174 '1--
174-175 3 1 1-- ---- --- --- ---- -- --- -- ---- ---------
176-177 I - _ _ 2177 178 T,i -_---- -_ ---------- ---------- -------- ----- - ------ ~ ~~~~~~---f-- -------_-_ _ _180-181 1 3 1 1 3
__ _ _ __ _ __ __ __ __ __ _ _ __ _ __ _ ____ __,__ __ _ _ -__ -_-_-------- ------F182-183 I -- 1-183-184 2 2 8 r185-186 1 -- _ - 4 -
186-187 -I 1- - ----- __------------------------------------------ - ---- -- - - --------- I
187-188 -- - -
188-189 - J 1 1 I 1 L 11 ---------- --- - ---- - -- 1 --1 -0 _ - -- -- ----------------I ----- 1
192-193 j - 1 _ _III~~~:'2L2~- ------ - -- --- - .....194-195 - 1
_ _ _ --------- - 1 - 2---__ ------- -------------- --- - ------------ --- r - --- --- -- -
197-198 -1 22-- -- - ------ -- --- -- -- -- 1 - ------- -- -- -- - --- TOTAL T 13 13 23 ! 21
APPnndIx- Pg. 1 /rAIn associatlan with 4U,
Consolidated Environmental Management Plan for ABP-111 of *IL
,Nlahabad Bypass of NH-2
Specifications/ Best Practices For EnvironmentallySound Construction and Facility Management
The following sections describe the best practices, which should be followed dunng constructionof such projects. The major emphasis Is on resource conservation, resource recovery andrecycling so that the minimum quantity of waste is generated. These practices can be modifiedaccording to prevailing construction conditions at the time of execution of project.
7.1 Vegetation Clearance
Vegetation clearance shall comprise uprooting of vegetation, grass, brushwood, shrubs, stumps,trees and saplings of girth upto 30 cm. measured at a height of one meter above the ground level.Where only clearance of grass is involved it shall be measured and paid for separately. Theprocedure/ steps involved for uprooting, skating and felling trees are described below.
7.1.1 Uprooting of Vegetation
* The roots of trees and saplings shall be removed to a depth of 60 cm. Below ground levelor 30 cm below formation level or 15 cm below sub grade level, whichever is lower.
* All holes or hollows formed due to removal of roots shall be filled up with earth rammedand leveled.
* Trees, shrubs, poles, fences, signs, monuments, pipe lines, cables etc. within or adjacentto the area, which are not required to be disturbed during vegetation clearance shall beproperly protected by the contractor at his own cost.
7.1.2 Staking and Disposal
* All useful materials obtained from clearing and grubbing operation shall be staked in themanner as directed by the Engineer.
* Trunks and branches of trees shall be cleared of limbs and tops and stacked neatly atplaces indicated by the Engineer- in - charge. These materials shall be the property of theGovernment.
* All unserviceable materials are disposed off in such a manner that there is no likelihoodof getting mixed up with the materials meant for construction.
7.1.3 Felling Trees
Marking of tress: Trees, above 30 cm. Girth (measured at a height of one meter above groundlevel) to be cut, shall be approved by the Engineer-in-charge and then marked at the site.
Felling of trees: Felling of trees shall include taking out roots up to 60 cm. below ground level or30 cm. below formation level or 15 cm. below sub-grade level, whichever is lower.
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Filling: All excavations below general ground level arising out of removal of trees, stumps etc.
shall be filled with suitable material in 20 cm. layers and compacted thoroughly so that the
surface at these points conform to the surrounding area.
Sizing: The trunks and branches of trees shall be cleared of limbs and tops and cut into suitable
pieces as directed by the Engineer-in-charge. Wood branches, twigs of trees and other useful
material shall be the property of the Government.
Staking: The serviceable materials shall be staked in the manner as directed by the Engineer-in-
charge.
Disposal: The material, which cannot be used or auctioned shall be removed from the area and
disposed off as per the directions of the Engineer-in-charge. Unsuitable waste materials should
not get rmxed with construction material during disposal.
7.2 Earthwork
The earthwork involves excavation and filling of earth.
7.2.1 Excavation in all kinds of soil
* The Excavation operation shall include excavation of earth and getting out the materials.
* The 'getting out' shall include keeping the excavated material at a distance of at least one
meter or half the depth of excavation, whichever is feasible off the edge of excavation.
* Dunng the excavation the natural drainage of the area shall be maintained.
* Excavation shall be done from top to bottom.
* Under mining or under cutting shall not be done.
* The excavation shall be done true to levels, slope shape & pattern indicated by the
engineer in charge.
7.2.2 Filling
* Lumps exceeding 8 cm. in any dimension shall be broken.
* Each layer of filled material shall be watered and consolidated with steel rammer or 1/2
tone roller.
* Where specified every third & top most layer shall also be consolidated with power roller
of minimum 8 tones.
* The Top & sides of the filling shall be neatly raised.
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The contractor shall make good of substance & shrinkage in each filling embankmentstraverse etc. during execution and fill the completion of works.
7.3 Damp Proof Course
Damp proof course involves cement concrete layer, curing, application of hot bitumen and usageof water proofing material. The steps/ procedures used during construction after incorporatingenvironmental considerations are given below.
7.3.1 Cement Concrete Layer
This shall consist of cement concrete of specified proportions and thickness.
* The surface of brick or stone masonry work should be leveled and prepared before laying
the cement concrete.
* Edge of damp proof course should be straight, even and vertical.
* Side shuttering should consist of steel forms and should be strong and properly fixed sothat it does not get disturbed during compaction and the mortar does not leak through.
* The concrete mix should be of workable consistency and should be damped thoroughly tomake a dense mass. When the sides are removed, the surface should come out smooth
without honey-combing.
* Continuity should be maintained while laying the cement concrete layer and laying shallbe terminated only at the predetermined location where damp proof course is to bediscontinued.
* There shall be no construction joint in the Damp Proof Course.
7.3.2 Curing
Damp proof course should be cured for at least seven days, after which it should be allowed todry.
7.3.3 Application of Hot Bitumen
* Where applicable, hot bitumen in specified quantity should be applied over the dried up
surface of cement concrete, properly cleaned with brushes and finally with a piece ofcloth soaked in kerosene oil.
* Bitumen of penetration A 90 or equivalent where used shall be heated to a temperature of1600 + 5°C.
* The hot bitumen shall be applied uniformly all over, so that no blank spaces are leftanywhere. It will be paid for separately.
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7.3.4 Water Proofmg Materials
According to specifications (if applicable) water proofing material of approved quality shall beadded to the concrete mixture in accordance with the manufacture's specifications stating thequantity of water proofing material in litres or kg per 50 kg of cement, which will be paid forseparately.
7.4 Brick Work
The brickwork should be carried out as per the following practices.
7.4.1 Bricks Used in the Masonry may be of the following type
* Common burnt clay bricks: Shall be hand moulded or machine moulded. They shall befree from nodules of free lime, visible cracks, flaws warpage and origanic matter, have afrog 100 mm. Bricks made by extrusion process and bnck tiles may not be provided withfrogs. Each brick shall be marked (in the frog where provided) with the manufacturer'sidentification mark or initials.
Dimensions: Brick sizes will as per standard engineering practices followed in the states of UP &Bihar. The bricks should have dimensions of 40xlOx20 mm on one of its flat sides.
Water absorption: The average water absorption of bricks when tested should not exceed morethan 20% by weight.
Efflorescence: The rating of efflorescence of brtcks when tested shall be not more thanmoderate.
7.4.2 Brick Work
Classification: The brickwork shall be classified according to the class designation of brick used.
Mortar: The major of the brickwork shall be as specified, and conform to accepted standards.Lime shall not be used where reinforcement is provided in brickwork.
Soaking of Bricks: Brick shall be soaked in water before use of period for the water to Justpenetrate the whole depth of the bricks. Alternatively bricks may be adequately soaked in stakesby profusely spraying with clean water at regular intervals for a period not less than six hours.The Brick required for masonry work using mud mortar shall not be soaked. When the Bricks aresoaked they shall be removed from the tank sufficiently early so that at the time of laying they areskin-dry. Such soaked bricks shall be stacked on a clean place where they are not again spoiled bydirt, earth etc.
7.4.3 Laying
* Brick shall be laid in English Bond unless otherwise specified.
* For brick work in half brick wall, bricks shall be laid in stretcher bond.
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* Half or cut bricks shall not be except as closer where necessary to complete the bond.
* Header bond shall be preferably in all courses tn curved plan for ensuring betteralignment.
* All loose materials, dtrt and set lumps of mortar which may be laying over the surface onwhich brick work is to be freshly started, shall be removed with a wire brush and surface
wetted.
* Bricks shall be laid on a full bed of mortar.
* When laying, each brtck shall, be properly bedded and set In position by gently pressingwith handle of a trowel. It inside face shall be buttered with mortar before the next brickis laid and pressed against it. Joints shall be fully filled and packed with mortar such that
no hollow spaces are left inside the joints.
* The boundary or separator walls shall be taken up truly in plumb or true to the requiredbatter where specified.
* All courses shall be laid truly horizontal and all vertical joints shall be truly vertical.Vertical joints in the alternative course shall come directly one over the other. Quoin,
Jambs and other angles shall be properly plumed as the work proceeds. Care shall betaken to keep the perpends properly aligned within following maximum permissibletolerances.
- Deviation from vertical shall not exceed 6 mm per 3m height.
- Deviation from position shown on plan of any brickwork shall not exceed12.5 mm.
* A set of tools comprising of wooden straight edge, Masonic sprit levels, square, 1-meter
rule line and plumb shall be kept on the site of work for every 3 masons for proper checkduring the progress of work.
All quoins shall be accurately constructed and the height of brick courses shall be kept uniform.
This will be checked using graduate wooden straight edge or storey rod indicating height of each
course including thickness ofjoints.
* The brickwork shall be built in uniform in layers.
* Parts of wall left at different levels shall be raked back at an angle of 45 degrees or lesswith the horizontal. Toothing shall not be permitted as an alternative of raking back. Forhalf brick partition to be keyed into main walls, indents shall be left in the main walls.
* Where bricks cannot be cut to the required shape to form cut (maru) corners, cement
concrete 1:2:4 (1 cement: 2 coarse sand: 4 graded stone aggregate 20 mm nominal size)
equal to thickness of course shall be provided in liu of cut bricks.
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* Brick shall be laid with frog (where provided) up. However, when top course is exposed,
brick shall be laid with frog down. For the bricks to be laid with frog down, the frog shall
be filled with mortar before placing the brick in position.
* In case of walls one brick thick and under, one face shall be kept even and in proper
plane, while the other face may be slightly rough.
* In retaining walls and the like, where water is likely to accumulate, weep holes, 50 to 75
mm square shall be provided at 2 m vertically and horizontally unless otherwise specified.
The lowest weep holes shall be at about 30 cm. above the ground level. All weep holes
shall be surrounded by loose stone and shall have sufficient fall to drain out the water
quickly.
7.4.4 Joints
The thickness of all types of joints including brick wall joints and cross joints shall be such that
four course and three joints taken consecutively shall measures 30 cm. for bricks of standard sizes
as per local availability.
Note: Specified thickness of joints shall be of 1 cm. deviation from the specified thickness of all
joints shall not exceed one - fifth of specified thickness.
7.4.5 Finishing of Joints
The face of brickwork may be finished flush or by pointing, in flush finishing either the face
joints of the mortar shall be worked out while still green to give a finished surface flush with the
face of the brick work or the joints shall be squarely raked out of a depth of 1 cm. while the
mortar is steel green for subsequently plastering.
The faces of brickwork shall be cleaned with wire brush so as to remove any splashes of mortar
during the course of raising the brickwork. In pointing, the joints shall be squarely raked out to a
depth of 1.5 cm while the mortar still is still green and raked joints shall be brushed to remove
dust and loose particles and well wetted, and shall be later refilled with mortar to give ruled
finish.
Some such finishes are 'flush', 'weathered', ruled, etc.
7.4.6 Curing
* The brickwork shall be constantly kept moist on all faces for a minimum period of seven
days.
* Brickwork done during the day shall be suitably marked indicating the date on which the
work is done so as to keep a watch on the curing period.
7.4.7 Scaffolding
Scaffolding shall be strong to withstand all dead, live and impact loads, which are likely to come
on them. Scaffolding shall be provided to allow easy approach to every part of the work.
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7.4.8 Single Scaffolding
* Where plastering has been indicated for brickwork, single scaffolding may be provided,unless otherwise specified.
* In single scaffolding, one end of the put-logs/pole shall be left out. Such holes shall not be
allowed in the case of pillars, brick work less than one meter in length between theopenings or near the skewbacks of arches or immediately under or near the structuralmember supported by the walls.
* The holes for put-logs/poles shall be made good with brickwork and wall finishing as
specified.
7.4.9 Double Scaffolding
Double scaffolding having two independent supports, clear of the work, shall be provided for
exposed brickwork.
7.4.10 Cavity Wall
* The width of the cavity shall be 90 mm in size.
* Each leaf of the cavity wall shall not be less than 75 mm.
Bonding Units: Bonding units should be preferably precast R.C.C. units having cross-section as
per the architectural drawings.
Length of the Bonding units will be sum of thickness of both leaves plus width of cavity if the
leaves are 75 mm or 115 mm. Precast RCC units shall be provided with 2 no., 6 mm mild steel
reinforcement bars tied with 2 no. 3 mm. dia. M.S. hard drawn wire cross bars placed in the centre
of units.
* Cement concrete used in the bonding units shall not be leaner than M20.
Restrictions: Cavity walls shall not normally be built more than 7.5 metres in height and 9
metres in length. Where large lengths and heights are used, the wall shall be divided into panels
with strengthening measures such as pillars etc. Cavity shall be covered at the top with at least
two course of masonry unit and/ or a coping over it.
7.5 Concrete Work
The concrete shall be designed in grades denoting characteristic compressive strength or by
volumetric proportion of the nominal mix concretIe of the constituents.
7.5.1 Material
Water, cement, lime, fine aggregate or sand, shurkhi, cinder and fly ash shall be as specified.
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Consolidated Environmental Management Plan for ABP-III of tvitAllahabad Bypass of NH-2
7.5.2 Coarse Aggregate
Most of the coarse aggregate shall be retained on 4.75 mm. IS Sieve and shall contains only asmuch fine material as is permitted in IS 383 for various sizes and grading. Coarse aggregate shallbe stone aggregated and it shall be obtained from approved/authorized sources.
Stone Aggregate: It shall consist of naturally occurring (uncrushed, crushed or broken)stones. Itshall be hard, strong, dense, durable and clean. It shall be free from veins, adherent coatings, andinjurious amounts of disintegrated pieces, alkali, vegetable matter and other deleterious substance.It shall be roughly cubical in shape. Flaky and elongated pieces shall be avoided. It shall conformto IS: 383 unless otherwise specified.
Deleterious Material: Coarse aggregate shall not contain any deleterious material, such as pyrites,coal, lignite, mica, shale or similar lammnated material, clay, alkali, soft fragments, seashells andorganic impurities in such quantity as to affect the strength or durability of the concrete. Coarseaggregate to be used for reinforced cement concrete shall not contain any material liable to attackthe steel reinforcement. Aggregates, which are chemically reactive with alkalis of cement, shallnot be used. The maximum quantity of deleterious material shall not be more than five percent ofthe weight of coarse aggregate when determined in accordance with IS: 2386 Part II.
7.5.3 Size and Grading
Stone Aggregate: It shall be graded as specified. Nominal size and grading shall be as under:-
Nominal sizes of graded stone aggregate or gravel shall be 40 or 12.5 mm as specified. For anyone of the nominal sizes, the proportion of other sizes shall be in accordance with Table 12.
Table 12 Graded Stone Aggregate
IS Sieve Percentage passing (by weight) for nominal size of
Designation 40 mm 20 mm 16 mm 12.5 mm
75 mm 100 -
37.5 mm 95 to 100 100
19 mm 30 to 70 95 to 100 100 100
16 mm - - 90 to 100-
11.2 mm - - 90 to 100
9.5 mm 10 to 35 25 to 55 30 to 70 40 to 85
4.75mm Oto5 OtolO Oto 10 Oto 10
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IS Sieve Percentage passing (by weight) for nominal size of
Designation 40 mm 20 mm 16 mm 12.5 mm
2.36 mm - -
Staking: Aggregate shall be staked on a hard, dry and level patch of ground. When stock piling,the aggregate shall not perform pyramids resulting in segregation of different sized materials. Itshall be staked separately according to nominal size of coarse aggregates. Stacking shall be donein regular stakes, of height not exceeding 100 cm.
7.5.4 Fine Aggregate
Most of the fine aggregate shall pass through 4.75 mm IS sieve. Fine aggregate shall consist ofnatural sand, crushed stone sand or crushed gravel sand stone dust or marble dust, conforming toIS: 2686. It shall be hard, durable, chemically inert, clean and free from adherent coatings,organic matter etc. and shall not contain any appreciable amount of clay balls or pallets andharmful impurities e.g. iron pyrites, alkalis, salts, coal, mica, shale or similar laminated materialsin such form or in such quantities as to cause corrosion of metal or affect adversely the hardening,the strength, the durability or the appearance of mortar, plaster or concrete. The sum of thepercentages of all deleterious material shall not exceed 5%. Fine aggregate must be checked fororganic impurities such as decayed vegetation humps, coal dust etc.
Silt Content: The maximum quantity of silt in sand not exceeds 8%.
Fine aggregate containing more than allowable percentage of silt shall be washed so as to bringthe silt content within allowable limits.
Grading: On the basis of particle size, fine aggregate is graded into four zones. The grading shallbe within the limits given in Table 13 below. Where the grading falls outside the limits of anyparticular grading zone of sieves, other than 600 micron IS sieve, by a total amount not exceeding5 percent, it shall be regarded as falling within that grading zone as per IS:326.
Table 13 Grading of Fine Aggregate
Percentage passing for
IS SieveGrading Zone I Grading Zone II Grading Zone III Grading Zone III
9.50 mm 100 100 100 100
4 75 mm 90-100 90-100 90-100 95-100
2.36 mm 60-95 75-100 85-100 95-100
1.18 mm 30-70 55-90 75-100 90-100
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Percentage passing for
IS SieveGrading Zone I Grading Zone II Grading Zone III Grading Zone III
600 microns 15-34 35-59 60-79 80-100
300 microns 5-20 8-30 12-40 15-50
150 microns 0-10 0-10 0-10 0-15
Type and grading of fine aggregate to be used shall be specified. It shall be coarse sand, fine sand,
stone dust or marble dust, fly ash and surkhi. Use of sea sand shall not be allowed, unless
otherwise specified.
Sand for Masonry Mortar and for Plaster Sand shall consist of natural sand, crushed stone sand or
crushed gravel sand or a combination of any of these. Sand shall be hard, durable, clean and free
from adherent coating and organic matter and shall not contain the amount of clay, silt and fine
dust more than specified as under.
Deleterious Material: Sand shall not contain any harmful impurities such as iron, pyrites, alkalis,
salts, coal or other organic impurities, mica, shale or sin-ular laminated materials, soft fragments,
sea shale in such form or in such quantities as to affect adversely the hardening, strength or
durability of the mortar.
Grading of sand for use in masonry mortar shall be conforming to IS: 2116 (Table 14).
Grading of sand for use in Plaster shall be conforming to IS: 1542 (Table 15).
Table 14 Grading of sand for use in masonry mortar as per IS: 2116
IS Sieve Designation Percentage passing by mass
4.75 mm 100
2.36 mm 90 to 100
1.18 mm 70 to 100
600 microns 40 to 100
300 microns 5 to 70
150 microns 0 to 15
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Note: For crushed stone sands, the permissible limit on 150 micron IS Sieve is increased to 20%.This does not affect the 5% allowance IS-2386.
Table 15 Grading of Sand for use in Plaster as per IS: 1542
IS Sieve Designation Percentage passing
10 mm 100
4.75 mm 95 to 100
2.36 mm 95 to 100
1.18 mm 90 to 100
600 microns 80 to 100
300 microns 20 to 65
150 microns 0 to 50
7.5.5 Admixtures
When required, admixtures of approved quality shall be mixed with concrete, as specified. Theadmixtures shall conform to IS: 9103.
7.5.6 Bulking
Fine aggregate, when dry or saturated, has almost the same volume but dampness causes increasein volume. In case fine aggregate is damp at the time of proportioning the ingredients for motorconcrete, its quality shall be increased suitably to allow for bulkage.
7.5.7 Stacking
Fine aggregate shall be so stacked as to prevent dust and foreign matter getting mixed up with it
as far as practically possible.
7.5.8 Steel for reinforcement
The steel used for reinforcement shall be any of the following types:
Mild steel and medium tensile bars conforming to IS: 432 (Part I)
Hard drawn steel wire conforming to IS: 432 (Part II)
Types and Grades
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Reinforcement supplied in accordance with this standard shall be classified in to the followingtypes:
Mild steel bars: It shall be supplied in the following two grades
Mild steel bars grade I designated as Fe 410-S.
Mild steel bars grade II designated as Fe 410-0.
Medium tensile steel bars, grade II designated as Fe 540-W-HT.
Mild steel and medium tensile steel.
Table 16 Elongation Percentage of Mild steel bars
Si. Type and nominal size of bar Ultimate tensile stress Yield stress N/ mm Elongation percentNo. N/mm2 minimum 2 minimum minimum
I Mild steel grade I, For bars up 410 250 23to and including 20 mm
2 Mild steel grade II, For bars up 370 225 23
to and including 20mm
3 Medium tensile steel, For bars 540 350 20
up to & including 16 mm
Elongation percent on gauge length 5.65 so where so is the cross sectional area of the test piece is
shown in table 16.
High strength deformed bars & wires shall conform to IS: 1786. The physical properties for allsizes of steel bars are mentioned Table 17.
Table 17 Physi al Properties of Mild steel bars
GradeSN. Property
Fe 415 Fe 500 Fe 550
1 . 0.2% proof stress/yield stress, min. N/mm2 415 500 550
2. Elongation, percent imn on gauge length 5.65 14.5 12 8A, Where A is the X-Sectional Area of the testpiece
3. Tensile strength 10% more than 8% more 6% more than___________________________________________ Iactual 0.2% proof than actual actual 0.2%
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Grade
No. PropertyFe 415 Fe 500 Fe 550
stress but not less 0.2% proof proof stressthan 465 N/mm2 stress but not but not less
less than 545 than 585N/mm2 N/mm2
Staking and storage: Steel for reinforcement shall be stored in such a way as to preventdistorting and corrosion. Bars of different classifications, sizes and lengths shall be storedseparately to facilitate issue in such sizes and lengths to cause minimum wastage in cutting fromstandard length.
7.6 Form Work (Centring & Shuttering)
The specifications for form-work are to be referred from 'specifications for Roads and Bridgeworks' by MOST, Section 1500, Clauses: 1501, 1502, 1503, 1504, 1505, 1506, 1507, 1508, 1509and 1511.
7.6.1 Design & Tolerance in Construction
Formwork shall be designed and constructed to the shapes, lines and dimensions shown on thedrawings with the tolerance given in Table 18.
Table 18: Tolerances for Formwork
Deviation from specified dimensions of cross section of +12 mmcolumns and beams
Deviation from dimensions of footings + 12 mm
Dimension in plan + 50 mm
Eccentricity in plan
0.02 times the width of the footings in the direction ofdeviations but not less than 50 mm
Thickness
+ 0.05 times the specified thickness.
7.6.2 General Requirement
It shall be strong enough to withstand the dead and live loads and forces caused by ramming andvibrations of concrete and other incidental loads, imposed upon it during and after casting ofconcrete. It shall be made sufficiently rigid by using adequate number of ties and braces, Skewjacks or hand board wedges where requlred shall be provided to make up any settlement in the
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form work either before or during the placing of concrete. Forms shall be so constructed as to beremovable in sections in detailed sequence, without damaging the surface of concrete ordisturbing other sections. Care shall be taken to see that no piece is keyed into the concrete.
7.6.3 Oiling the Surface
Shuttering gives much longer service life if the surfaces are coated with suitable mould oil, whichacts both as a perting agent and also gives surface protections. A typical mould oil is heavymmneral oil or purified cylinder oil containing not less than 5% pentachlorophenol conforming toIS: 716 well mixed to a viscosity of 70-80 centipoise. After 3-4 uses and also in cases whenshuttering has been stored for a long time, it should be recoated with mould oil before the nextuse.
7.6.4 Inception of Form Work
The completed form work shall be inspected and approved by the Engineer-in-Charge before thereinforcement bars are placed in position. Proper formwork should be adopted for concreting soas to avoid honey combing, blowholes, grout loss, stain or discolouration of concrete etc. pr6perand accurate alignment and profile of finished concrete surface will be ensured by properdesigning and erection of form work which will be approved by Engineer-in-Charge. Shutteringsurface before concreting should be free from any defect/ deposits and fully cleaned so as to giveperfectly straight smooth concrete surface. Shuttering surface should be therefore checked for anydamage to its suiface and excessive roughness before use.
7.6.5 Erection of Form Work (centering and shuttering)
Following points shall be born in mind while checking during erection.
* Material used should be checked to ensure that, wrong items/ rejects are not used.
* If there are any excavations nearby which may influence the safety of formworks,corrective and strengthening action must be taken.
* The bearing soil must be sound and well prepared and the sole plates shall bear well on
the ground.
* Sole plates shall be properly seated on their bearing pads or sleepers.
* The bearing plates of steel props shall not be distorted.
* The steel parts on the bearing members shall have adequate bearing areas.
* Safety measures to prevent impact of traffic, scour due to water etc. should be taken.
• Bracing, struts and ties shall be installed along with the progress of formwork to ensurestrength and stability of formwork at intermediate stage. The staked materials shall beplaced as catered for, in the design.
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* When adjustable steel props are used, they should:
7.6.6 General
The formwork shall include the following:
* Splayed edges, notching, allowance for overlaps and passtng at angles, sheathing battens,
strutting, bolting, nailing, wedging, easing, striking and removal.
. All supports, struts, braces, wedges as well as mudsills, piles or other suitable
arrangements to support the framework.
* Bolts, wire ties, clamps, spreaders, nails or any other items to hold the sheathing together.
* Working scaffolds, ladders, gangways, and similar items.
* Filleting to form stop chamfered edges of splayed external angles not exceeding 20 mm
wide to beams, columns and the like.
* Where required, the temporary openings provided in the forms of pouring concrete,
inserting vibrators, and cleaning holes for removing rubbish from the interior of thesheathing before pouring concrete.
7.7 Reinforcement
The specifications for reinforcements are to be referred from 'specifications for Roads and Bridgeworks' by MOST, Section1600, Clauses: 1607, 1602, 1603, 1604, 1605 and 1607.
7.7.1 General Requirement
Steel conforming for reinforcement shall be clear and free from loose mud, scales, dust, loose
rust, coats of paints, oil or other coatings which may be destroy or reduce bond.
7.7.2 Assembly of Reinforcement
Bars shall be bent correctly and accurately to the size and shapes as shown in the detailed
drawings or as directed by Engineer-in-Charge. Preferably bars of full length shall be used. The
overlapping bars shall not touch each other and these shall be kept apart with concrete between
them by 25 mm or 1 1/4 times the maximum size of the coarse aggregate whichever if grater. But
where this is not possible, the overlapping bars shall be bound together at intervals not exceeding
twice the dia. Of such bars with two stands annealed steel wire of 0.90 mm to 1.6 mm twisted
tight. The overlaps/splices shall be staggered as per directions of the Engineer-in-Charge. But in
no case the overlapping shall be provided in more than 50% of cross sectional area at one section.
7.7.3 Bends and Hooks Forming End Anchorages
Reinforcement shall be bent and fixed in accordance with procedure specified in IS: 2502, code or
practice for bending and fixing of bars for concrete reinforcement.
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7.7.3.1 U-Type Hook
In case of mild steel plain bars standard U type hook shall be provided by bending ends of rods
into semi circular hooks having clear diameter equal to four times the diameter of the bar.
7.7.3.2 Bends
Bend forming anchorage to a M. S. plain bar shall be bent with an internal radius equal to two
times the diameter of the bar with a minimum length beyond the bend equal to four times the
diameter of the bar.
7.7.4 Anchoring Bars in Tension
Deformed bars may be used without end anchorages, provided, development length requirement
is satisfied. Hooks should normally be provided for plain bars in tension. Development length of
bars will be determined as per clause 25.2.1 of IS: 456.
7.7.5 Anchoring Bars in Compression
The anchorage length of straight bar in compression shall be equal to the development length of
bars in compression as specified in clause 25.2.1 of IS: 456. The projected length of hooks, bends
and straight lengths beyond bend, if provided for a bar in compression, shall be considered for
development length.
Binder, stirrups, links and the like: In case of binders, stirrups, links etc. the straight portion
beyond the curve at the end shall be not less than eight times and nominal size of bar.
7.7.6 Placing in Position
Fabricated reinforcement bars shall be placed in position as shown in the drawings or as directed
by the Engineer-in-Charge. The bar crossing one another shall be tied together at every
intersection with two stands of annealed steel wire 0.9 to 1.6 mm thickness twisted tight to make
the skeleton of the steel work rigid so that the reinforcement does not get displaced during
deposition of concrete. The bars shall be kept in correct position.
7.8 Paving
7.8.1 Brick Paving
7.8.1.1 Bricks
Bricks of specified dimensions and designations shall be used. These shall confoim to the
specifications described in 3.1. Broken bricks shall not be used in paving except for closing the
line. The bricks shall be laid on edge.
7.8.1.2 Mortar
The mortar used shall be as specified (in case of dry bricks flooring fine sand shall be filled in the
joints).
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7.8.1.3 Base Concrete
RFlooring shall be laid on PCC base concrete laid to slope ranging from 1:36 to 1:48 as
decided by the Engineer.
2. The flooring shall commence within 48 hours of the laying of base, failing which, the
surface of base shall be roughened with steel wire brushes without disturbing the
concrete. Before laying the flooring the based shall be wetted and smeared with a coat of
cement slurry at 2 kg of cement spread over an area of one sqm so as to get a good bond
between sub-grade and flooring.
7.8.1.4 Soaking of Bricks
Bricks required for flooring shall be adequately soaked in stacks before use, by profusely spraying
with clean water at regular intervals for a period of not less than six hours as to keep them wet to
the satisfaction of the Engineer.
7.8.1.5 Laying
The bricks shall be laid on the edge in plain, diagonal herring bone bond, or other pattern as
specified in the architectural drawings.
Bricks shall be laid on edge on 12 mm thick mortar bed and each brick shall be properly bedded
and set home by gentle tapping with trowel handle or wooden mallet. Its inside face shall be
buttered with mortar, before the next brick is laid and pressed against it.
On completion of a portion of flooring, the vertical joints shall be fully filled from the top with
mortar. The surface of the flooring during laying, shall be frequently checked with a straight edge
at least 2 m long, so as to obtain a true plain surface with the required slope.
7.8.1.6 Joints
Bricks shall be so laid that all Joints are full of mortar. The thickness of joints shall not exceed 1.0
cm for brick work with bricks of any class designation. The joints shall be struck flush and
finished at the time laying. The face of brick work shall be cleaned on the same day on which
brick work is laid and all mortar droppings removed promptly.
7.8.1.7 Curing
Brick work shall be protected from rain by suitable covering when the mortar is green. Masonry
work in cement mortar, shall be kept constantly moist on all faces for a minimum period of seven
days. Brick work carried out during the day shall be suitably marked indicating the date on which
the work is done so as to keep a watch on the curing period.
7.8.2 Precast Concrete Tiles for Paving
The grade of concrete shall be use as mentioned in architectural drawing. Thickness of slab shall
be as mention in drawing. It is ensure that there were no void by wet compaction at the time of
costing. It must be of actual shape as per drawing. The top of the tiles must be of smooth finished.
7.8.2.1 Laying
The earth shall be hammed and watered to get well compact earth. The engineer shall check the
compaction of soil. Bed PCC has to be laid as mention in drawing with correct depth and grade.
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Cement slurry @2kg/sqm has to be spread over the concrete to fix the tile. The tile shall be laidwithin the initial setting time after the laying of PCC. The top of the tile shall be true in slope asmention in drawing. The joints between the two adjacent tiles shall be equal as mention indrawing.
7.8.2.2 Curing
The tiles must be inserted in water after 24 hours of casting and cured in the same manner for atleast 7 days, thereafter only used at site.
The curing of the paving must be start a day after the laying of tiles and it shall be done upto 7days.
7.9 Cement Plastering
All cement plaster shall be 12 mm, thick for brick surfaces and 6 mm thick for concrete surfacesunless otherwise stated.
Scaffolding and preparation of surfaced shall be as specified.
7.9.1 Cement plastering for brick-work:
The specifications for cement plastering for brickwork to be referred from 'specifications for roadand bridge works', by MOST, Sectionl3OO, clauses: 1312.4, 1312.5 andl312.6.
7.9.2 Mortar
The mortar of the specified mix using the type of sand described in the item shall be as specifiedin drawings for external work and under coat work, the fine aggregate shall conform to gradingIV. For finishing coast work the fine aggregate conforming to grading zone V shall be used.
Application: The specifications as in drawings shall apply except in the following respects:
Beating with thin bamboo strips shall not be done on the cement plaster, and
Further the plastering and finishing shall be completed within half an hour of adding water to thedry mortar.
Thickness: Where the thickness required as per description of the item is 20 mm the averagethickness of the plaster shall not be less than 12 mm whether the well treated is of brick.
7.9.3 Curing
Curing shall be started as soon as the plaster has hardened sufficiently not to be damaged whenwatered.
The plaster shall be kept wet for a period of at least 7 days. During this period, it shall be suitablyprotected from all damages at the contractor's expanse by such means as the Engineer-in-Chargemay approve. The dates on which the plastering is done shall be legible marked on the varioussections plastered so that curing for the specified period thereafter can be watched.
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7.9.4 Cement Plaster with a Floating Coat of Neat Cement
The cement plaster shall be 12, 15 or 20 mm thick, finished with a floating coat of neat cement, as
described in the item.
Specifications for this item of work shall be same as described in plastering item except for the
additional floating coat which shall be carried out as below.
When the plaster has been brought to a true surface with the wooden straight edge it shall be
uniformly treated over its entire area with a paste of neat cement and rubbed smooth, so that the
whole surface is covered with neat cement coating. The quantity of cement applied for floating
coat shall be 1 kg per sq. m. Smooth finishing shall be completed with trowel immediately and in
no case later than half an hour of adding water to the plaster mix. The rest of the specifications
described in plastering item shall apply.
7.9.5 6mm Cement Plaster on Cement Concrete and Reinforced Cement Concrete Work
7.9.5.1 Scaffolding
Stage scaffolding shall be provided for the work. This shall be independent of the walls.
7.9.5.2 Preparation of Surface
Projecting burrs of mortar formed due to the gaps at joints in shuttering shall be removed. The
surface shall be scrubbed clean with wire brushes In addition concrete surfaces to be plastered
shall be pock marked with a pointed tool, at spacings of not more than 5 cm. Centres, the pock
being made not less than 3mm deep. This is to ensure a proper key for the plaster. The mortar
shall be washed off and suiface, cleaned of all oil, grease etc. and well wetted before the plaster is
applied.
7.9.5.3 Mortars
The mortar of the specified mix using the type of sand described in the item shall be as specified
in drawings for external work and under coat work, the fine aggregate shall conform to grading
IV. For finishing coast work the fine aggregate conforming to grading zone V shall be used.
Application:The specifications as in drawings shall apply except in the following respects:
Beating with thin bamboo strips shall not be done on the cement plaster, and
Further the plastering and finishing shall be completed within half an hour of adding water to the
dry mortar.
Thickness: Where the thickness required as per description of the item is 20 mm the average
thickness of the plaster shall not be less than 12 mm whether the wall treated is of brick.
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7.9.5.4 Application
To ensure even thickness and a true surface, gauges of plaster 15x15 cm. shall be first applied atnot more than 1.5m intervals in both directions to serve as guides for the plastering. Surface ofthese gauged areas shall be truly in the plane of the finished plaster surface. The plaster shall bethen applied in a uniform surface to a thickness slightly more than the specified thickness andshall then be brought to true and even surface by working a wooden straight edge reaching acrossthe gauges. Finally the surface shall be finished true with a trowel or with wooden float to give asmooth or sandy granular texture as required. Excess troweling or over working of the floats shallbe avoided. The plastering and finishing shall be completed within half an hour of adding water tothe dry mortar.
Plastering of ceiling shall not be commenced until the slab above has been finished and centringhas been finished and centring has been removed In the case of ceiling of roof slabs, plaster shallnot be commenced until the terrace work has been completed. These precautions are necessary inorder that the ceiling plaster is not disturbed by the vibrations set up in the above operations.
7.9.5.5 Finish
The plaster shall be furmished to a true and plumb surface and to the proper degree of smoothnessas required. The work shall be tested frequently as the work proceeds with a true straight edge notless than 2.5m long and with plumb bobs. All horizontal lines and surfaces shall be tested with alevel and all jambs and corners with a plumb bon as the work proceeds.
7.9.5.6 Thickness
The average thickness of plaster shall not be less than 6mm. The minimum thickness over anyportion of the surface shall not be less than 5mm.
7.9.5.7 Curing
Curing shall be started as soon as the plaster has hardened sufficiently not to be damaged whenwatered. The plaster shall be kept wet for a period of at least 7 days. During this period, it shall besuitably protected from all damages at the contractor's expense by such means as the Engineer-incharge may approve. The dates on which the plastering is done shall be legible marked on thevarious sections plastered so that curing for the specified period thereafter can be watched.
7.10 GABION structures
The specifications for gabion structures are to be referred from 'specifications for Roads andBridge works' by MOST, Section700, Clause: 705.
7.10.1 Gabion
Gabion Box - It is made appropriate geotextile material as approved by supervision engineer on
site.
Boulder - The boulder shall range in size from 400 mm to 200 mm. they should be hard andtextured.
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Consolidated Environmental Management Plan for ABP-I1 ofAllahabad Bypass of NH-2
7.11 Dry Stone Pitching
As far as possible it should be ensured that one rainy season has elapsed before pitching or anykind of stone work is commenced, so that the embankment has time to settle, and loose spots inthe cutting, if any, show up.
The sides and top of the embankment, as the case may be, shall be brought to the required profile,slope and gradient and shall be compacted to a firm and even surface. The necessary back filling,if required, may be done with small broken stone, moorum, gravel or ballast well consolidated toproper profile. In case the soil is unreliable and if the nature of the work requires it, a 75 mm thicklayer of gravel or ballast may be provided over the prepared surface and well consolidated.
7.11.1 Pitching
Pitching shall be of 22.5 cm depth, unless specified otherwise. Profiles shall first, be put up bymeans of pegs and strings or by placing stones, at interval or not more than 15 meter.
The cross bands of approximately 22.5 cm width through bond stones equal to full depth ofpitching, shall be provided at an interval of approximately 3 m centre to centre both longitudinallyand transversely.
The interstices between adjacent stones shall be filled in with stones of proper size, well driven inwith crow bars to ensure tight packing and complete filling of all interstices. Such filling shall becarried on simultaneously with the placing in position of the large stones and shall in no cases bepermitted to fall behind. Final wedging shall be done with the largest sized chip particles, eachchip being well driven home with a hammer so that no chip is possible of being picked up orremoved by hand.
7.12 Slope PITCHING
The specifications for dry stone pitching are to be referred from 'specifications for Roads andBridge works' by MOST, Section2500, Clause 2504.1, 2504.2.
7.12.1 Dry Brick Pitching
Preparation of surface shall be as specified.
7.12.1.lPitching
Pitching shall be half brick in depth or in multiples of half bricks, as specified. Profiles shall firstbe put up by means of pegs and strings or by placing bricks at intervals not more than 15 meter,bricks shall then be laid in parallel rows breaking bond or herringbone bond pattern as directed. Inthe case of drains bricks shall be laid on bed width in parallel rows breaking bond and on sides ineither of the above manner At the top, and at every 3m intervals, brick courses of half brick widthshall be lad with bricks on ends. All bricks shall be laid closely in position and firmly embedded,true to line, gradient and in uniform slope throughout.
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7.12.2 Kerb and Channel Stones
The specifications for kerb and channel stones are to be referred from 'specifications for Roads
and Bridge works' by MOST, Section400, Clauses 408.1, 408.2, 408.3, 408.4, 408.4, 408.5.
7.13 Fencing
7.13.1 Chain Link Fencing
7.13.1.1 Materials
The chain link mesh shall be of 1.5 standard and of an approved brand. The angle sizes shall be as
per drawings. The iron angles have to be free from rust, cracks and blowholes.
7.13.1.2Spacing of Posts and Struts
The spacing of post shall be as per drawings or as directed by the supervision engineer. Fixing of
posts and struts will be as shown in the drawings. The angle iron must be split at the bottom for
fixing in the concrete base.
7.13.1.3Fixing of the Fencing
The chain link mesh shall be fixed with angle posts by means of 8mm diameter bolts. The holes
for the bolts shall be made 300mm centre to centre on the iron sections. The bottom of the fencing
must be at a height of 14cm from the ground level. The fencing top shall be horizontal to the
ground.
7.13.2 Silt Fencing
7.13.2.lMaterials
The wire mesh and geotextile miraf shall be of approved standard and brand. The iron sections to
be used as struts shall be of IS standard and free from rust, cracks etc.
7.13.2.2Assemble
The angles are to be assembled as per drawing and directions of supervision engineer. The mesh
has to fixed with the frame after the geotextile material is fixed with the mesh.
7.13.2.3Fixing
The fencing shall be fixed at site in such a manner that the geotextile material is placed next to the
silt.
7.14 Horticultural and Landscaping Works
7.14.1 General
7.14.1.lScope
Contractor to furnish all materials, labor and related items necessary to complete the work
indicated on drawing and specified herein.
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7.14.2 Materials
7.14.2.1Plant Materials
* Plant Materials shall be well formed and shaped true to type, and free from disease,
insects and defects such as knots, sun-scaled, windburn, injuries, abrasion or
disfigurement.
* All plant materials shall be healthy, sound, vigorous, free from plant diseases, insect's
pests, of their eggs, and shall have healthy, well-developed root systems.
* All plants shall be hardy under climatic conditions similar to those in the locally of the
project.
* No plant material will be accepted if branches are damaged or broken. All material must
be protected from the sun and weather until planted.
. Any nursery stock shall have been inspected and approved by the Environmental
Specialist of the Engineer.
* All plants shall confirm to these requirements specified in the plant list. Except that plants
larger then specified may be used if approved, but use of such plants shall not increase the
contract price. If the use of the larger plant is approved, the spread of roots or ball of earth
shall be increased in proportion to the size of plant.
* Deliver plants with legible identification labels.
7.14.2.2Top Soil (Good Earth)
* Top soil or good earth shall be a friable loam, typical of cultivated top soils of the locality
containing at least 2% of decayed organic matter (humus).
* It shall be taken from a well-drained arable site.
* It shall be free of subsoil, stones, earth skids, sticks, roots or any other objectionable
extraneous matter or debris.
* It shall contain no toxic material.
* No topsoil shall be delivered in a muddy condition.
* It shall have pH value ranging between 6 to 8.5.
7.14.2.3Fertilizer
Dry okhla sludge can be used. Measurement of sludge shall be in stacks, with 8% reduction for
payment. It shall be free from extraneous matter, harmful bacteria insects or chemicals.
(Subjected to safety norms).
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7.14.2.4Root System
The root system shall be conducive to successful transplantation. While necessary, the root-ball
shall be preserved by support with Hessatan or other suitable material. On soils where retention of
a good ball is not possible, the roots should be suitably protected in some other way, which should
cause any damage to roots.
7.14.2.5Condition
Trees and shrubs shall be substantially free from pests and diseases, and shall be materially
undamaged. Torn or lacerated roots shall be pruned before dispatch. No roots shall be subjected to
adverse conditions such as prolonged exposure to diying winds or subjection to water lodging,
between lifting and delivery.
7.14.2.6Supply and Substitution
Upon submission of evidence that certain materials including plant materials are not available at
time of contract, the contractor shall be permitted to substitute other and plants, with an equitable
adjustment of price. All substitutions shall be of the nearest equivalent species and variety to the
original specified and shall be subjected to the approval of the Landscape Architect.
7.14.2.7Packaging
Packaging shall be adequate for the protection of the plants and such as to avoid heating or drying
out.
7.14.2.8Marking
Each specimen of tree and shrub, or each bundle, shall be legibly labeled with the following
particulars:
* Its name.
* The name of the supplier, unless otherwise agreed.
* The date of dispatch from the nursery.
7.14.3 Tree Planting
7.14.3.lPlants and Shrubs
Trees should be supplied with adequate protection as approved. After delivery, if planting is not
to be carrted out immediately, balled plants should be placed check to check and the ball covered
with sand to prevent drying out. Bare rooted plants can be heeled in by placing the roots in
prepared trench and covering them with earth which should be watered into avoid air pockets
round the roots. Trees and shrubs shall be planted as shown in architectural drawings and with
approval of site supervision.
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7.143.2Digging of Pits
* Tree pits shall be dug a minimum of three weeks prior to backfilltng.
* The pits shall be 120cms in diameter and 120cms deep.
* While digging the pits, the topsoil upto a depth of 30cms may be kept aside, if found
good (depending upon site conditions), and mixed with the rest of the soil.
* If the side of the below, it shall be replaced with the soil mixture as specified further
herein.
* If the soil is normal it shall be mixed with manure.
* The bottom of the pit shall be forked to break up the subsoil.
7.14.3.3Back Filling
The soil back filled watered through end gently pressed down, a day previous to planting, to make
sure that it may not further settle down after planting. The soil shall be pressed down firmly by
treading it down, leaving a shallow depression all round for watering.
7.14.3.4Planting
* No tree pits shall be dug until final tree position has been pegged out for approval.
* Care shall be taken that the plant sapling when planted is not be buried deeper than in the
nursery, or in the pot.
* Planting should not be carried out in waterlogged soil.
* Plant trees at the original soil depth; soil marks on the stem is an indication of this and
should be maintained on the finished level, allowing for setting of the soil after planting.
* All plastic and other imperishable containers should be removed before planting.
* Any broken or damage roots should be cut back to sound growth.
* The bottom of the planting pit should be covered with 50mm to 75mm of soil.
* Bare roots should be spread evenly in the planting pit; and small mound in the center of
the pits on which the roots are placed will aid on even spread.
* Soil should be placed around the roots, gently shaking the tree to allow the soil particles
to shift into the root system to ensure close contact with all roots and prevent air pockets.
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* Back fill soil should be firmed as filling proceeds, layer by layer, care being taken toavoid damaging the roots, as follows:
* 200gms of 13% Lindane dust (Lindane dust is not allowed to be used, chlorocyriphosdust) shall be sprinkled on walls of pit, and initially pit shall be filled to 200 depth withearth mixed with 50gms of Lindane dust or chlorocyriphos dust.
* The balance earth shall be filled in a mixture of 1:3 (1 part sludge to 3 part earth byvolume) and 50gms potash, (Mop) 50gms of Super Phosphate and lKg. Neem oil cake.Aldrin or equivalent shall be applied every 15 days in a muxture of 5mI in 5 litres ofwater.
7.14.3.5Staking
Newly planted trees must be held firmly although not rigidly by staking to prevent a pocketformung around the stem and newly formed fibrous roots being broken by mechanical pulling asthe tree rocks.
Methods:
The main methods of staking shall be:
(A) A single vertical shake, 900mm longer than the clear stem of the tree, driven 600mm to900mm into the soil.
(B) Two stakes as above driven firmly on either side of the tree with a cross bar to which thestem is attached. Suitable for bare- rooted or Ball material.
(C) A single stake driven in at an angle at 45 degrees and leaning towards the prevailingwind, the stem just below the lowest branch being attached to the stake. Suitable for smallbare- rooted or Ball material
(D) For plant material 3m to 4.5m high with a single stem a three- wire adjustable guy systemmay be used in exposed situations.
The end of stake should be pointed and the lower lm to 1.2m should be coated with a non-injurious wood preservative allowing at least 150mm above ground level.
Tying
Each tree should be firmly secured to the stake so as to prevent excessive movement. Abrasionmust be avoided by using a buffer, rubber or Hessian, between the tree and stake. The tree shouldbe secured at a point just below its lowest branch, and also just above ground level; normally twoties should be used for tree. These should be adjusted or replaced to allow for growth.
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7.14.3.6Watering
The Landscape Contractor should allow for the adequate watering in of all newly planted trees
and shrubs immediately after planting and he shall during the following growing season, keep the
plant material well watered.
7.14.3.7Fertiliser Usage
The fertilizers usage should be such that the turn of all the fertilizers come after, every 15 days
from the beginning of the monsoon till the end of winter:
Sludge or organic well-rotted dry farm yard manure: 0.05 cum or tussle.
2. Urea 25gm.
3. Ammonium sulphate 25gm.
4. Potassium sulphate 25gm.
All shrubs, which are supplied pot grown, shall be well soaked prior to planting.
Watering in and subsequent frequent watering of summer planted container- grown plants is
essential.
7.14.4 Shrub Planting In Planter Beds
All areas to be planted with shrubs shall be excavated, trenched to a depth of 750mm, followed
by refilling the excavated earth after breaking clods and mixing with sludge in ratio 8:1 (8 parts of
stacked volume of earth after reduction by 20%: 1 part of stacked volume of sludge after
reduction by 8%.)
For planting shrubs and ground cover shrubs in planters, good earth shall be mixed with sludge in
the proportion as above and filled in planters.
Positions of planters should be marked out in accordance with the architectural drawing.
7.14.5 Grassing
The specifications for grassing/turfing are to be referred from 'specifications for Roads and
Bridge works' by MOST, Section300, Clauses 307.1, 307.2 307.3.
7.14.5.1 Preparation
During period prior to planting, the ground shall be maintained free from weeds. Grading and
preparation of the area shall be completed at least three weeks prior to the actual sowing. Regular
watering shall be continued until sowing by dividing the area into portions of approximately 5 m
squares by constructing small bunds to retain water. These 'bunds' shall be levelled just prior to
sowing of grass plants; it shall be ensured that the soil has completely settled.
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7.14.5.2Soil
The soil itself shall be ensured to the satisfaction of Landscape Architect to be a good-Fibrousloam, nch in humus.
7.14.5.3Sowing the grass roots
* Grass roots (cynodon dectylon or a local genus approved by the Landscape Architect)shall be obtained from a grass patch, seen and approved before hand.
* The grass roots stock received at site may be stored and shall be manually cleared of allweeds with water sprayed over areas.
7.14.5.4Execution
Small roots shall be dibbled about 5 cm apart into the prepared grounds. Grass wtll only beaccepted as reaching practical completion when germination has proved satisfactory and all weedshave been removed.
7.14.5.5Maintenance
As soon as the grass is approximately a 3 cm high it shall be rolled with a light wooden roller - infine, dry weather- and when it has grown to 5 to 8 cms, above to the ground weeds must beremoved and regular cutting with the scythe and rolling must begun. A top-dressing of an ounce
of guano to the square yard or well decomposed well broken sludge manure shall be applied.When the grass is sufficiently secure in the ground to bear the mowing machine, the blades mustbe raised an inch above the normal level for the first two or three cuttings. That is to say, the grass
should be cut so that it is from 4 to 5 cms in length, instead of the 3 cm necessary for maturegrass.
In the absence of the rain, during the monsoon, the lawn shall be watered every ten days heavily,
soaking the soil through to a depth of at least 20 cms.
Damage failure or dying back of grass due to back neglect of watering especially for seeding out
normal season shall be the responsibility of the contractor. Any shrinkage below the specifiedlevels during the contract or defect liability period shall be rectified at the contractor's expanse.The contractor is to exercise care in the use of rotary cultivator and mowing machines to reduce toa minimum the hazards of flying stones and brickbats. All rotary mowing machines are to befitted with safety guards.
7.14.5.6Rolling
A light roller shall be used periodically, talking care that the area is not too wet and sodden.
7.14.5.7Edging
These shall be kept neat and must be cut regularly with the edging shears.
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7.14.5.8Fertilising
The area shall be fed once in a month with liquid manure prepared by dissolving 45 grms ofammonium sulphate in 5 litres of water.
7.14.5.9Watering
Water shall be applied at least once in three days dunng dry weather. Watering whenever doneshould be thorough and should wet the soil at least up to a depth of 20 cms.
7.14.5.10 Weeding
Prior to regular mowing the contractor shall carefully remove rank and unsightly weeds.
7.14.6 Maintenance
7.14.6.1 Culvitating
The Landscape Contractor shall maintain all planted areas within Landscape contract boundariesfor one year until the area is handed over in whole or in phases. Maintenance shall includereplacement of dead plants, watering, weeding, cultivating, control of insects, fungus and otherdiseases by means of spraying with an approved insecticide or fungicide, pruning, and otherhorticulture operations necessary for proper growth of the plants and for keeping the landscapesub-contract area neat in appearance.
7.14.6.2Pruning and Repairs
Upon completion of planting work of the landscape sub-contract all trees should be pruned and allinjuries repaired where necessary. The amount' of pruning shall be limited to the necessary toremove dead or injured twigs and branches and to compensate for the loss of roots and the resultof the transplanting operations. Pruning shall be done in such a manner as not to change thenatural habit or special shape of trees.
7.14.6.3Tree Guards
Where the tree guards are necessary, care should be taken to ensure that they do not impedenatural movement or restrict growth. Two types of tree guards are proposed on the Grand Trunkcircular iron tree guards and barbed wire fencing, the specifications for which one given below:
Circular Iron Tree Guard with Bars (Refer Figure 1)
The tree guard shall be 50 cm. in diameter.
The tree guards shall be formed of (i) 3 Nos. 25x25x3mm angle iron verticals 2.00m longexcluding splayed outward at lower end upto an extent of 10 cms. (ii) 3 Nos. 25x25mm MS flatrings fixed as per design (iii) 15 Nos. 1.55 metres long 6mm dia bars. Each ring shall be in twoparts in the ratio of 1:2 and their ends shall be turned in radially for a length of 4 cm at which theyare bolted together with 8mm dia and 30mm long MS bolts and nuts.
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Consolidated Environmental Management Plan for ABP-111 ofAllahabad Bypass of NH-2
The vertical angle irons shall be welded to rings along the circumference with electric plant 15Nos. bars shall be welded to rings at equal spacing along the circumference of ring. The lower endof the angle iron verticals shall be splayed outwards upto an extent of 10cm. The lower end of theflat of lower ring shall be at a height of 45cm. and upper end of the flat of top ring shall be at theheight of 2.00 metres. The middle ring shall be in the center of top and lower ring. The bars shallbe welded to rings as shown in the drawing. The entire tree guard shall be given two coats of paintof approved brand and of required shade over a priming coat of ready mixed primer of approvedbrand. The design of the tree guard shall be as shown in the drawing.
-ORiN4t ILNI AL 1 RF2U GV4'-D) WITH VI S. LA,S
.. ~~~~~~I.
7~~~~~~~~~~~~~~~~~
Figure-1, Circular Tree Guard
Barbed Wire Fencing with Angle Iron Posts
Materials: Barbed wire shall be as per IS-278. The angle shall be 40x40x6, free from rest, cracks
and blowholes.
Spacing of Post & Streets: The spacing of post shall be 3.00m centre to centre, unless otherwisespecified or as directed by engineers to dimensions, which shall be nearest to the 3m. Last but oneend post's and corner post shall be strutled on both side and end post on one side only. Fixing ofpost & struts shall be as shown in drawing the angle iron must be split at bottom end.
Fixing Barbed Wire: The barbed wire shall be stretched and fixed in specified number of rowsand two diagonals. The bottom row should be 14 cm above ground level and rest @12.5 cmCentre to centre. The diagonal weir shall be stretched between adjacent posts from the top wire ofone post to the bottom weir of 2nd post. The barbed wire shall be held by tearing the holes of10mm dia in the post and tied with GI wire tum buckles and straining bolts shall be used at theend post.
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Consolidated Environmental Management Plan for ABP-111 ofAllahabad Bypass of NH-2
7.14.6.4Nursery Stack
Planting should be cai-ied out as soon as possible after reaching the site. Where planting must benecessity he delayed, care should be taken to project the plants form pilfering or damage frompeople animals. Plants with bare-roots should be heeled- in as soon as received or otherwiseprotected from drying out and others set closely together and protected from the wind. If plantingis to be delayed for more than a week, packaged plants should be unpacked, the bundles openedup and each group of plants heeled in separately and clearly labeled. If for any reason the surfaceof the roots becomes dry the roots should be thoroughly soaked before planting.
7.14.6.5Completion
On completion, the ground shall be formed over and left tidy.
SPECIAL CONDITIONS AND PARTICULAR SPECIFICATONS.
1. Wherever applicable, work shall be done according to C.P.W.D. specifications at the timeof invitation of tender.
3. Water shall be made available, near the tube well at one point. Contractors shall maketheir own arrangement for drawing water from there. Water charges as per the value ofwork done shall be deducted from the contractors Bills
4. If electricity is required for the works, the same shall be made available at one pointwithin the site of works, for which recovery at the prevailing rate per unit shall bededucted from the contractors' bill.
5. The work mentioned in the schedule of Quantities include grassing as well as planting oftrees and shrubs. 'Contractors' quoted rates shall include execution of these works atdifferent levels. No extra cost shall be paid for any item, for working at these levels.
6. The Contractor shall provide all facilities to Landscape Architect / Project Engineer and /or his authorized representatives to make frequent inspection of their Nursery andascertain the process / quality of various categories of trees/plants etc , grown by them.
7. The safe custody and up-keep of various categories of plants brought to site is the soleresponsibility of the contractor and he shall employ sufficient supervisory personnel toensure the safety of these items.
8. The site of work may be handed over to the contractors for execution of work in phases,as soon as the same are available. Nothing extra shall be payable for such phasedexecution of work.
9.. While excavating / executing the work the contractors shall ensure that existing cables /pipe lines / structures / fittings are not damaged.
10. The Contractor shall co-ordinate his work with other agencies employed by the Clientsand ensure that the work of other agencies is not hampered in any way during the durationof contract.
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11. The Contractor shall keep the site of works neat and clean during the execution of thework. Any debris found at or near the site of work shall be rescued immediately as andwhen so required by the landscape Architect / Project Engineer.
12. On completion of the work, the site of work shall be thoroughly cleaned and all debrisremoved before the work is handed over satisfactonly.
13. The Contractors shall, without any additional charge to the clients, renew or replace anydead or defective plants/grass and shall fully maintain the whole landscape for a period of12 months after the certified date of completion.
14. Trees shall be of munimum length as specified in the schedule of quantities and shall bestraight and symmetrical with a crown and having a persistent main stem. The size ofcrown shall be in good over all proportion to the height of the tree.
15. Small trees and shrubs shell be well formed with e crown typical of the species or variety.
16. GENERAL REQUIREMENTS OF PLANTS:
* Plants shall be typical of their species and variety, well developed branches, and wellfoliated with fibrous root system. Plants shall be free from defects and injuries. Plantsshall not be pruned before planting.
* Plants shall be free from defects and injuries.
* Plants shall not be pruned before planting.
* Plants shall not be freshly dug and nursery grown.
* Nursery grown plants shall have been at least once transplanted.
* Bark shall be free from abrasion.
* All trees, soon after planting, shall be properly supported with bamboo stocks to ensuretheir safety against winds or any other factor, which may affect it adversely.
20. PROTECTION OF "TREE TO BE PRESERVED"
The contractor shall be responsible for the protection of tops, trunks and roots of existing trees onsite. Existing trees subject to the construction damage shall be boxed, fenced or otherwiseprotected before any work is started.
21. GENERAL REQUIREMENTS OF EARTH MANURE AND FERTILISERS
EARTH
Good earth shall be agricultural soil of loamy texture, free from kankar, morrum, shingles, rocks,stones, building rubbish and any other foreign matter. The earth shall be free from clods or lumpsof sizes bigger than 50mm in any direction. It shall have pH ranging between 6.5 to 7.5.
MANURE
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Manure shall be of well decayed organic matter obtained in dry state from the Municipal dump orother siimlar source approved by the Project Engineer. The manure shall be free from earth, stoneor other extraneous matter. Manure shall be supplied, at site well screened.
FERTILIERS:
If the soil tests indicate pH value not as per the above specification namely between 6.5 to 7.5,following measures need to be taken.
* If pH exceeds 7.5, aluminium sulphate or equivalent fertilizer should be added at the rateof 1 kg per cubic metre to lower the pH by one full point.
* If pH is below 6.5, add ground limestone or equivalent fertilizer at the rate of 1 kg percubic metre to raise pH by one full point.
IIn assocaton with
Cl: TARGET SHEET FOR EMP ACTIONS
(Reporting by PIU to NHAI (Central) )Constrution Stage: Date Month Year
S.No. Construction Activity Responsible Target for Activity__ __ _ __ _ ___ Agency __ _
Time Schedule (to bePhysical completed by dd/mmlyy)
Unit2 Temporary Acquisition of nos
Sites/ Lands for Diversion3 Temporary Acquisition of nos
Borrow Areas4 Ideentification of Quarries nos5 Set upn of Construction camp nos6 Set6 up of Stock Yard nos
Total No. of Site specific nos7 Enhancements nos8 Total no of Typical nos
Enchancements
9 Pollution Monitoring locations
Seperate sheet for10 Landscaping Works leperate stefo
Crlandscape items
Contractor
C2: TARGET SHEET FOR POLLUTION MONITORING
Reporting by PIU to NHAI (Central)
Constraction Stage: Report - Date Month Year
Target to be prepppared by PIU before Construction period
All Annexures to be appended with fromat
Firest year of Construction- Second Year Construction-Locations for Monitoring to be completed by- Monito ring to be completed by-
Monitoring Rainy Winter Summar Rainy Winter S
Season Season Season Season SeasonPollution Monit ring
Pollution Monitoring
_ _ _ I_ _ _ I _ _ _ _ _ _ _ _ _Pollution Monitoring
Pollution Monitoring
C3: BORROW AREAS IDENTIFICATION
(Reporting yb Contractor to SC)Construction Stage Report - Date Month Year
Site Layout of Borrow Area and proposed Borrow Area RedevelopeementPlan to be attached with formatFormat to be submitted before target date as (decided by PD) for establishing QuarriesBorrow Area no. BALocation of Borrow Area (Km.) Package
S.No. Item Unit Details Remarks by SCDate of Borrow Areabecoming operationaldd/mm/yy
Current LanduseNo of settlement within 500m of Borrow Area nos
=____ Total Capacity cum L
No. of trees of girth morethan 0.3 cms nos
Length of Haul Road km _ ___= __
Width of Haul Road m _
=____ Type of Haul Road metel/ dirtNo of settlement within
_ 200m of Haul Road nos
Size of Borrow Area sqkm
Area of Borrow Area km x km
Quantity Available cumDist of Nearest Water Type/Size/Capacity/Source Present/Use/Owners
Quantity of top soil removed cum
Detail of storage of topsoil
Certified that the furnished information is correct and all relevant information as required is attached
Project Engineer (Contractor)(Supervision Consultant)
C4: STOCKYARD IDENTIFICATION(Reporting by contractor to SC)Construction Stage: Quatertly Report- Date Month Year(Site Layout OF Stock Yard to be attached with format)
Format to be submitted before target date (decided by PD) for stockyard to become operational
StockYard no SY-
Location of Stockyard (Km) Package .
S.No. Item Unit Details Remarkes by SC
Details of stockyard dated by belowing1 operational dd/mm/yy
a Present Landuseb Size of Stock Yard sqkmc Area of Stock Yard km x kmd No of settlements within 500m of stock yarde Length of Haul Road kmf No of settlements within 500m of stock yard
9 Distance from Nearest Water Source Type/ Size/I ~~~~~~~~~~~Capacity/ Present
h No of trees with girth more than 0 3 m2 Details of Topsoil stacking
Quantity of Topsoil stacked cu mb Details of Top soil stacking
3 Storage Category Detailsa Cement cu.mb Aggergate (Coarse) cu mc Bitumen No of drumsd Diesele Sandf Aggergate (fine)9 Water tank litres
4 Details of Vehiclesa No of Tankers nosb No of Trucks nos __
5 Details of Equipmenta Stone Crushing Plant nosb Batching Plant nosc Hotmix Plants nosd Wetmix Plant nos
6 details of Workforcea Total No of Labourers nosb Total no of Male Workers nosc No of Male Workers below 18 years of age nosd Total No of Female Workers nose No Female Workers below 18 years of age nosf No of children
7 Details of facilitiesa Fencing around StockYard Y/Nb Availability of security guard 24 hrs a day Y/N
c Details of First Aid Facility
Cretified that the furnished information is correct and all relevant information as required is attached
Project Engineer (Contractor)(Supervision Consultant)
C5: SETTiNG UP OF WORKERS CAMP
(Reporting yb Contractor to PIU after certification yb SC)
Construction Stage Report: Date Month Year
(Site Laayout of Construction camp and working drawings of dwaling units with allied facilities to be attached with format)Format to re submitted before target date (decided by PP ) of establishing camps as
Camp no WC
Location of Camp (Km Package
S.No. Item Unit Details Remarks by SC, If any1 Detail of item camp
a Size of Camp mxmb Area of Camp sq mc Distance from Nearest Settelment
Type/ Size/capacity/d Dlstance from Nearest Water Sources Present use /
OwnershipDate of camp belowing operational dd/mm/yyPresent Land useNo other trees with girth > 0 3 m
2 Details of Toposoil stackinga Quantity of Top soil removed sq.m
b Detail of Storagre fo topsoil Describe stacklingb Detail of Storage fo topsoil arrangement
3Details of Workforcea Total no of labourers nosb Total no of Male Workers nosc No of Male Workers below 18 years of age nosd Total no of Female Workers nose No of Female Workers below 18 years of age nos
No of Children nos4 Details of dwelling Unit
a No of dwellings /huts nosb Minimum Size fo dwelling mxmc No fo openings per dwelling nosd Maximmun size of opening mxme Walls specifications
Roofing specificationsa Flooring specifications
h Drinking Water Tank specificationsCapacity of Drinking Water Tank cum
I Size of Drinking Water Tank mxmxmk Total no. of WC nosI No of WCS for Female Workers nos
m Maximum size of WC mxmn Total no of Batchrooms of Female Workers noso Size of Septic Tank for WC/ Baths mxmxm
Capacity of Water Tank for WCs / Bathroomsand general purpose
q Fencing around camp Y/N5Details of facilities
a Availability of security guard 24 hrs a day Yes/Nob Details of First Aid Facility Yes/Noc Availability of Day Care Centre Yes/No
Cretified that the furnished information is correct the quality of work is as per god practice and all relevant information asrequired is attached
Project Engineer(Supervision Consultant) (Contractor)
01: TARGET SHEET FOR POLLUTION MONITORING
(Reporting by PIU to NHAI (Central )
Operating Stage: Report - Date Month YearTarget to be Prepared by PIU beforee Construction periodAll annexures to be appended with format
First Year of Construction Second Year of ConstructionLocations for Monitoring to be completed by- Monitori g to be completed by-
S.No. Monitoring Rainy Winter [ Summer Rainy Winter SummerSeason Season [Season Season Season Season
Air Pollution Monitoring
a
e
Noise Pollution Monitoring
aWater Pollution Monitoring
eSoil Pollution Monitoring
a __T _I_I_I_I_
C I_ _ __ _ _ ____I_ _ I
d 1 T I I T T_Ie