PowerPoint Presentationmowr.gov.in/sites/default/files/02_Yamuna Turnaround Plan DJB.pdf · to...
Transcript of PowerPoint Presentationmowr.gov.in/sites/default/files/02_Yamuna Turnaround Plan DJB.pdf · to...
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21-03-2016
Structure of presentation
1. Vision
2. Case Studies & learnings
3. 4 Components of the Visiona)Guiding Principles
b)Action Plan
4. Component 1: Type of pollution & strategies for cleaning.
5. Component 2: Restoring Ecological Value
6. Component 3: Creating Value for the City
7. Component 4: Sustainable O&M Models
8. Typical Steps for Cleaning any Draina)Case of: Najafgarh Drain
9. Yamuna Strategy
10. Pasig story
11. Way Froward & Timeline
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VISION FOR YAMUNAa clean, navigable and ecologically rich river for the people.
International Experience
1. Huangpu – Shanghai
2. Upper Tiete basin- Brazil
3. Lerma Chapala Basin - Mexico
4. Rhine Basin – Europe
5. Saana's - Yemen
6. Pasig – Philippines
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4 Fundamental Principles of the River Restoration:
• Rivers are not touched before cleaning hydrology in the water-shed
• Geographical conveyance system needs to be rejuvenated for a space in people’s life
River cleaning requires unique unitary administrative unit with various in-house expertise
• Cleaning effort has to be backed by a Statutory provision
1
2
3
4
3 Steps of Restoration:
• Cleaning drains and the river- Cleaning the polluted water, Sludge Management, Solid waste management of
Nallahs draining into Yamuna; Industrial effluent, Dhobi ghat, slaughter house management, slum management, and Cleaning the river itself,.
• Restoring the ecological value of drains and river- Biodiversity parks and ecological landscapes viz. treatment
wetlands, catchment wetlands, mosaic of grasslands and floodplain forests; terrestrial forest communities; new habitats; edible landscapes...
• Creating Economic value for city - public spaces, recreation, navigation, water oriented development
(WOD)
1
2
3
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PROCESS FOR CLEANING A FLOWING WATERBODY
NON-POINT SOURCES
Unauthorized
colonies
Slums
Wastewater treatment plant
Run-off
Dhobhi
ghaat
Industries
Animal
slaughter
POINT SOURCES
Solid dumping
Edges
7
Identify Pollution sourcesStep 1
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componentRESTORING ECOLOGICAL
VALUE
2
River development should not destroy the river ecology!
NOT THIS
South Platte River, Denver
THIS
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ZONE – O:
The Protected River Catchment
componentCREATING ECONOMIC
VALUE FOR THE CITY
3
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FOREST AREA
NATURAL EXISITING DEPRESSION
D/S CHANNELS AND RIPARIAN BUFFERS
PROPOSED CONNECTION
HIGHWAY TREE STRIP (AS GREEN WAY)
URBAN PARKS
RIVER FRONT GREENWAY
BIODIVERSITY PARK
1 - Development of Greenways• 50 to 200 m wide green ways shall be
developed along the Yamuna as well as all the drains & streets leading to them.
WOD Zones should be created along all drains and notified
500 m
100 m
A belt of approx. 250 m on either side of major drain (centre line) and 50 m of smaller tributaries –
can be declared/ notified as WOD zone and special controls and regulations should be notified.
This zone can be placed under the control of an SPV with multiple stakeholders for strict monitoring,
single-point accountability and enhancing the development potential of this zone.
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Role of WOD
500 m
100 m
1.Ensuring that future pollution of Nallah/ river does not take place.
2.The drain/ river becomes a public-oriented and eco-logical zone, rather than a backyard/
garbage dump for the city.
3.Create and maintain access and public amenities for the city
4.Have an integrated monitoring model.
Floodable Zone
(protected)
Public
ZoneDevelopment Zone
(regulated)
Development Zone
(regulated)
Typical controls within WOD zone
(regulated) (regulated)
Public
Zone
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Floodable Zone
(protected)
This is the protected zone where no
development shall be permitted other than
cleaning and ecological restoration.
Public Access Zone(regulated)
This zone shall be publically accessible and have special regulations/ guidelines as per following concepts:•Habitat/ ecosystem of the drain shall be protected.•Strict lighting norms.•Protected banks•Strict control of sewage and storm water discharge into river/ drain. •Linked to other city greens.•Strict impervious cover norms.
Development Zone (regulated):
This zone shall have special regulations/ guidelines for all developments to following concepts:•Provide access to the river/ Nallah•All pathways/ boundary walls etc. shall allow permeation and flow of water.•All developments shall connect to municipal sewer line•Direct discharge of sewage or rain-water into ground or natural water body should be a criminal offence.•Strict impervious cover norms.
CL
Typical controls within a ~250 m WOD zone
Providing access through unauthorised colonies and creating an public space network along the drain is key - to long term success of WOD
Example of existing edge having slums
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An exiting Nallah edge with encroachments such as slums and loose soil banks
POSSIBLE SOLUTION 1 – Creating public access and walkways to Metro -with facilities along the edge, and bank protection and treatment of run-off.
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POSSIBLE SOLUTION 2– Creating public access and facilities through in-situ redevelopment.
componentSUSTAINABLE O&M MODELS
4
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Centre
componentCLEANING THE RIVER
1
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22
KM
Wazirabad
Barrage
Okhla
Barrage
Yamuna river enters Delhi near Palla,
traverses about 48 kms.
YAMUNA IN DELHI:
22 Km stretch from Wazirabad to Okhla
2% OF RIVER LENGTH in Delhi
BUT
70 % of total pollution loaded in
Yamuna in DELHI
(BOD:>40; Coliform: 24Millions)
Water color & quality changes in
YAMUNA, due to NALA outfall
YAMUNA CANNOT BE CLEANED IN ISOLATION FROM ITS NALLAS
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`
YAMUNA CANNOT BE CLEANED IN ISOLATION FROM ITS NALLAS
1 YAMUNA CANNOT BE CLEANED IN ISOLATION FROM ITS NALLAS
source@ Excreta Matter Volume II,CSE
22 drains directly flow into
the river.
Of which four main
Nallahs are key
contributors to pollution:
1. NAJAFGARH DRAIN +
SUPPLEMENTARY DRAIN
2. SHAHDARA DRAIN
3. BARAPULLAH DRAIN
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CLEANING 18 SMALL DRAINS
source@ Excreta Matter Volume II,CSE
Action Plan For Small Drains
• INTERCEPTOR SEWER for, 1.Sweeper Colony,2.Magazine Road 3.Khyber Pass drain hasbeen trapped.
• The discharge intercepted from these drainsshall be pumped to Nigam Bodh SPS andultimately will be taken to existing Okhla STPhaving treatment capacity of 170 MGD.
• 4.METCALF HOUSE has been intercepted intoBela Road Trunk sewer.
• 5.QUDESIA DRAIN has been diverted and7.TONGA STAND DRAINS has been trappedinto Bela Road Trunk Sewer.
1.1.2
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• After rehabilitation of Subhash margperipheral sewer & Ring Road trunksewer, sewage in 9.CIVIL MILL DRAIN nearShanti Van has been reduced. However,remaining sewage has been trapped intoRing Road trunk sewer.
• The capacity of STP AT THE MOUTH OF10.DELHI GATE DRAIN HAS BEENAUGMENTED from existing 2.2 to 17.2MGD by constructing addition 15 MGDSTP.
• 11. Sen Nursing Home drain has been trapped and 2.2 Mgd of sewage is treated at Sen Nursing Home STP
• 14. Drain No. 14 is trapped in Ring road sewer
1.1.4 Action Plan For Small Drains
•6.Mori Gate (4 Mgd), 8. Vijay Ghat (0 Mgd) 15. Drain No. 15, 16. Drain No. 17 (14 Mgd), 18. Tehkhand (2.5 mgd) drain carrying sizeable amount of sewer haven’t been trapped so far
•It is not possible to divert this drain to any trunk sewer
•Neither STP is possible on the mouth of the drain
•It is only possible to have activated wetland
1.1.3 Action Plan For Small Drains
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CLEANING 4 LARGE DRAINS
source@ Excreta Matter Volume II,CSE
POINT SOURCES STRATEGIES STAKEHOLDERS
1 Sewage from Haryana & UP
Treatment mechanism has to created at the entry point in Delhi
Haryana, GNCTD, UP
2 Sub drains carrying sewage from colonies and meeting major drains which drain into Yamuna
Cleaning strategy for small drains and large drain has to be fundamentally different
DJB, IFCD
3 Treated Effluent from STPs (not meeting CPCB standards)
All STPs are to be upgraded. Installation of sensors at outflow points with auto-monitoring on public interface.
DJB
4 Un-monitored Industrial effluent into drains
•Management of all 13 CETP has to be taken over by DSIIDC
• Strict and heavy penalties for violators for non operation of ETPs
DPCC
Main sources of pollution in Drains
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NON-POINT SOURCES STRATEGIES STAKEHOLDERS
5 Solid waste dumping •All river and Nallah edges having possibility of public access should have activities integrated .
• Solid Waste Management dedicated to water-bodies should be in place
DJB, IFC
6 U/A slaughtering, dhobi ghats, industries in residential areas
•Mapping of all Dhobi ghats and setting up ETPs
MCDs
7 Storm Water run-off control • Storm water drain planning and rectification of the present system
IFCD
8 U/A slums & unauthorized colonies
•Adequate sanitary systems and its management system
•Relocation of limited slum from the bed of river or drain
DUSIB
Sources of pollution in Drains
NAJAFGARH DRAIN
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1.2.2 YAMUNA CLEANING : NAJAFGARH DRAIN : POLLUTION SOURCE
1.Waste water from Jhajhar, bahadurgarh, Rohtak, Gurgaon- 164 mld
2. 30 sub-drains into the Najafgarh drain to be trapped under Interceptor Sewer
3. Untapped 8 Sub-drains carrying 32 mgd of sewage
4. Flow from STPs-Nilothi, Pappankalan, Najafgarh, Keshopur
5. Industrial effluents, Dhobi Ghats, slaughter houses
• Almost 168 Mld of sewage and polluted water meeting najafgarh drain at Chhawala,
• There can’t be a STP at the drain for such a large amount of water
• Only option is to have bio-remediation through activated wetland and series of floating wetland
•
NAJAFGARH DRAIN: SEWAGE FROM HARYANA 1.2.3
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Najafgarh Drain : Immediate action for Bio remediation 8
• CLEANING THE RIVER Sahibi
and Najafgarh Nalla through
biological system of a) on
channel floating wetlands b)
wetland parks along and around
it
1Tertiary Sewage treatment
OSHO PARK, PUNE, INDIA
Before
After
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1.2.2 YAMUNA CLEANING : NAJAFGARH DRAIN : POLLUTION SOURCE
2. 30 sub-drains into the Najafgarh drain to be trapped under Interceptor Sewer
PKG 4: IS - 5.4 Km, RM - 3.2 Km, SPS-1
PKG 1: IS - 1.9 Km, RM - 0.3 Km, SPS – 1
PKG 2: IS - 22.2 Km, RM - 6.6 Km, SPS-
2
PKG 3: IS - 11.6 Km, RM – 4.2 Km, SPS-2
PKG 5: IS - 6 Km, RM - 2 Km, SPS-
1
PKG 6: IS - 11.1 Km
STP
STP
STP
STP
STP
STP
NAJAFGARH DRAIN:
INTERCEPTOR SEWER PROJECT (ISP) PROJECT
1Total cost of the project i/c 11 years
O&M: Rs. 1963 Cr.
1.Likely date of completion : December
2016
2.60 mgd sewage diverted to existing
STPs out of total 245 mgd
1.2.4
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NAJAFGARH DRAIN: INTERCEPTOR SEWAGE PROJECT 1.2.5DETAILS OF SUBDRAINS OUTFALLING INTO NAJAFGARH DRAIN & PROPOSED TO BE TRAPPED UNDER
ISPS.
No
NAME OF DRAIN FLOW
(in MGD)
STATUS
Package-1 (Pappankalan STP) 13.42
1 TD2 4.14 Trapped
2 Palam 9.38 Trapped
PKG-2 (Nilothi STP) 12.95
3 Nawada Drain 0.86 Trapped
4 Nangli Vihar drain 0.27 Trapped
5 Mungeshpur 11.29 Trapped
6 Papraula 0.02 Trapped
7 Papraula 0.01 Trapped
8 Papraula 0.26 Trapped
9 Papraula 0.02 Trapped
10 Papraula 0.23 Trapped
1.2.6DETAILS OF SUBDRAINS OUTFALLING INTO NAJAFGARH DRAIN & PROPOSED TO BE TRAPPED UNDER
ISPS.
No
NAME OF DRAIN FLOW
(in MGD)
STATUS
Package-2 (Keshopur STP) 18.97
1 Moti Nagar 4.21 TO BE TRAPPED
2 Ramesh Nagar 5.44 TO BE TRAPPED
3 Basai Darapur 0.56 TO BE TRAPPED
4 Punjabi Bagh West 0.17 TO BE TRAPPED
5 Ring Road 1.52 TO BE TRAPPED
6 Raghubir Nagar Enclave 0.01 TO BE TRAPPED
7 Raghubir Nagar near JJ Colony 0.33 TO BE TRAPPED
8 Raghubir Nagar Enclave 0.95 TO BE TRAPPED
9 Raghubir Nagar 0.46 TO BE TRAPPED
10 Raghubir Nagar Left To Bridge 0.35 TO BE TRAPPED
11 Madipur 0.50 TO BE TRAPPED
12 Khyala 0.19 TO BE TRAPPED
13 Paschim Vihar District park 0.56 TO BE TRAPPED
14 Subhash Nagar 3.71 TO BE TRAPPED
NAJAFGARH DRAIN: INTERCEPTOR SEWAGE PROJECT
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1.2.7
DETAILS OF SUBDRAINS OUTFALLING INTO NAJAFGARH DRAIN & PROPOSED TO BE TRAPPED UNDER
ISPS.
No
NAME OF DRAIN FLOW
(in MGD)
STATUS
Package-3 (Rithala STP) 18.81
1 Inder Lok 0.43 TO BE TRAPPED
2 Lekhu Nagar 1 0.40 TO BE TRAPPED
3 Lekhu Nagar 2 -onkar 0.37 TO BE TRAPPED
4 Kanahiya+ Tri Nagar Keshopuram colonies and part of pitampura
6.47 TO BE TRAPPED
5 JJ Colony Wazirpur 1.25 TO BE TRAPPED
6 Daryai Nala near Karol Bagh 9.89 TO BE TRAPPED
NAJAFGARH DRAIN: INTERCEPTOR SEWAGE PROJECT
1.2.2 YAMUNA CLEANING : NAJAFGARH DRAIN : POLLUTION SOURCE
3. Untapped 8 Sub-drains carrying 32 mgd of sewage
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• 8 Sub drains which are yet to be tapped
BARAPULA DRAIN
NAJAFGARH DRAIN : UNTAPPED SUB-DRAINS1.2.8DETAILS OF ADDITIONAL DRAINS IN THE COOMAND
OF NAJAFGARH DRAIN NOT COVERED UNDER ISP
S.
No
NAME OF DRAIN FLOW
(in MGD)
STATUS
1 Bijwasan 0.70 Action to be taken by DJB
2 Sector 16 B LIG Flates
0.04 Negligible flow
3
Dharampura 3.04Flows to be eliminated at source due to
new sewers and improvement to existing sewer infrastructure in Najafgarh town
4
Shakur Basti 5.38Flows to be eliminated at source due to new sewers and improvement to existing sewer infrastructure in Najafgarh town
5
Shakti Nagar Ex. 0.44
Flows to be addressed at source by DJB. Sewer Network of Existing Rana Pratap Bagh Command area to be improved by DJB to reduce flows in these sub drains. 6 Sawan Park 008
BARAPULA DRAIN
NAJAFGARH DRAIN : UNTAPPED SUB-DRAINS1.2.8
DETAILS OF ADDITIONAL DRAINS IN THE COMAND
OF NAJAFGARH DRAIN NOT COVERED UNDER ISP
S.
No
NAME OF
DRAIN
FLOW
(in MGD)
STATUS
8
Jahangir Puri
21.39
This sub drain has sewerage flow from Jahangir Puri due to settlement of
main sewer in Jahangir Puri. Jahangir Puri SPS has the capacity of 20 MGD
whereas it is running at 2 MGD due to sewerage from the area not reaching the SPS. Process of rectifying sewer is
in progress by DJB. DJB will intercepted this sub drain flow
directly into Jahangirpuri SPS by laying sewer from sub drain. Flow in sub
drain to be eliminated by DJB.
TOTAL 31.90
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1.2.2 YAMUNA CLEANING : NAJAFGARH DRAIN : POLLUTION SOURCE
4. Flow from STPs-Nilothi, Pappankalan, Najafgarh, Keshopur
NAJAFGARH DRAIN & SUPPLEMENATRY : STPs
UpgradationDETAILS OF STPs IN THE COMMAND OF NAJAFGARH &
SUPPLEMENTARY DRAIN
S.
No
NAME OF STP Capacity
(in MGD)
Design
Parameters
BOD/ SS (in
ppm)
Tentaive Cost
(In Rs Crore)
1 Pappankalan-I 20 30/50 120
Pappankalan-II 20 10/10
2 Najafgarh 5 30/50 30
3 Nilothi-I 40 30/50 240
Nilothi-II 20 10/10
4 Keshopur-I 12 20/30
Keshopur-II 20 30/50 120
Keshopur-III 40 30/50 240
5 Rithala-I 40 30/50 -
Rithala-II 40 15/20 -
6 Rohini 25 30/50 150
7 Coronation-70 70 10/10 500
1.2.9
Cost- 1400 Crores
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SHAHADARA DRAIN : STPs Upgradation
DETAILS OF STPs IN THE COMMAND OF NAJAFGARH &
SUPPLEMENTARY DRAIN
S.
No
NAME OF STP Capacity
(in MGD)
Design
Parameters
BOD/ SS (in
ppm)
Tentaive Cost
(In Rs Crore)
1 Yamuna Vihar-I 10 30/50 60
Yamuna Vihar-II 10 10/10 60
Yamuna Vihar-III 25 20/30 -
2 Chilla 9 10/10 -
3 Kondli-I 10 YAPIII -
Kondli-II 25 YAPIII
Kondli-III 45 10/10 -
TOTAL 120
1.2.9
Cost- 120 Crores
1.2.2 YAMUNA CLEANING : NAJAFGARH DRAIN : POLLUTION SOURCE
5. Industrial effluents, Dhobi Ghats, slaughter houses
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Effluent Treatment Plant: Upgradation and Monitoring
• 13 effluent treatment plants with
44.6 Mgd capacity
• Only 10 Mgd of effluent is treated
• Only two are on biological
treatment system
• Problem is the management
model- it should be taken out of
the societies and should be run
on concession agreements
• More Biological ETP needs to be
set up in a time bound manner
• Involvement of private sector to
check individual ETPs
• Pickling needs to be eliminated
completely
Slaughter House and Dhobi ghat : Improvement and Monitoring
• Unauthorised slaughter house
needs to be regulated
• Dhobi ghats needs to be fitted
with ETPs
• Ghazipur slaughter house needs
monitoring
• DPCC has issued directions u/s
33(A) of the Water Act in
compliance of CPCB directions
u/s 18(1)(b) to install online
monitoring system by 31.3.2015.
• Provisions to be made to collect
blood separately & convert it to
valuable products.
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NAJAFGARH DRAIN
1.2.10 NAJAFGARH DRAIN: DREDGING AND SLUDGE MANAGEMENT
Total estimated sludge in
Najafgarh drain is 10 million
tons ( source I&FC)
Cost of dredging @ Rs
300/metric ton
Cartage @ Rs 50/metric ton
Royalty @ Rs 370/metric
Cost- 800 Crores
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NAJAFGARH DRAIN: SOLAR DRIER( WENDEWOLF)
• Drying and Disposal is an important component of sludge management
• Many large plant needs to be set up for this purpose
• Plant can be set up at Nilothi STP, Rithala STP, Rohini STP, Dwarka WTP, Sonia Vihar WTP
• Cost of one such plant could be Rs 25 crores for 20,000 ton capacity plant
Cost- 100 Crores
1.2.11
NAJAFGARH DRAIN: SEPTAGE MANAGEMENT1.2.12
• Scientific reconstruction of
tanks
• Scientific evacuation of
Septage Scientific treatment
of Septage (Oxidation ponds)
Scientific Disposal
Malaysia Model
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Physical ScreeningBOOMS and Gross Pollutant Trap
58
Najafgarh Drain : Solid Waste Management
1.On-site instalment of Solid
waste segregation structures
2.Collection and segregation of
the waste
3.Composting
4.Incineration of the waste
5.Management structure
Negligible cost
59
Najafgarh Drain : Solid Waste Management
StromX
Hydrod
ynamic
Separat
orNegligible cost
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60
Najafgarh Drain : Solid Waste Management
Cost – 10 crores
Solid Waste
Segregation
and
Composting
Solid Waste
Incineration
NAJAFGARH DRAIN
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Najafgarh Drain : Cycle tracks and Parks
Parks and cycle Tracks needs to be developed on the
banks for the ownership of the population in the
viscinity
Cost – 500crores
Najafgarh Management : Cycle tracks and
Parks
Parks and cycle Tracks needs to be developed on the
banks for the ownership of the population in the
viscinity
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3 HOUTAN PARK, SHANGHAI, CHINA By Turenscape
NAJAFGARH DRAIN
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Floodable Zone
(protected)
Pu
blic
Acce
ss Z
on
e
(regula
ted)
Development Zone
(regulated)
Pu
blic
Acce
ss Z
on
e
(re
gu
late
d)
Development Zone
(regulated)
Water Oriented Development (WOD) zone
Water Oriented Development (WOD) zoneStep 3
Floodable Zone
(protected)
Public Access Zone
(regulated)
Development Zone
(regulated)
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Yamuna
• FLOW
REGIME
• WATER
QUALITY
Yamuna: Flow Regime
1 Removal of encroachments
2 Dredging
3 Increase in volume of Flow
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Removal of Encroachments-1
• Removal of Solid Waste dumps
especially on eastern side
• Relocation of expansion of
settlements- Jaitpur extension and
Badarpur Khadar
• All bunds, guide bunds, spurs and
temporary roads needs to be
removed immediately
• All solid waste recycling units, farm
houses, cattle farms and Nurseries
must be relocated
Removal of Encroachments-2
• Removal of Constrcution at Sur ghat
and Qudasia Ghat
• Special Zone needs to be created
for CWG Village, Old Jaitpur, Sonia
Vihar, Jagatpur, Samadhis, Delhi
Secretariat, Velodrome – Pollution
control needs to be regulated for
these structures.
• Millenium Depot needs to be
removed- Govt has already
submitted an affidavit in the court
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Removal of Encroachments-3
1 C & D Waste Plant
2 Solid Waste Management Plant
Yamuna : Dredging
• Dredging of the river Yamuna,
Okhla reservoir and at Wazirabad
reservoir
• No estimation of the sludge has
been done
• Requires Bathymetric Survey to
assess the
• Treatment and Disposal of
sludge will require a separate
plant only
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Increase in Flow Volume
• Supreme court has directed Haryana and Upper yamuna Board to ensure that total
flow in yamuna downstream of Wazirabad should be 10 cumecs
• Revival and Creation of waterbodies on both banks
• Delhi has to release treated waste water in the river
Yamuna: Water Quality
1 Point Sources
2 Non-point Sources
3 Waterfront Development
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Non-Point source : Agriculture,
• Wetlands are be developed
on both banks before
treated water of nallas
enter Yamuna
• Outfall from Barapullah
should be channelized
through cascade of
wetlands already existing in
the area
• Wetlands also in smaller
drains
• All nurseries, cattle farm, farm
houses need to be removed
• Agriculture and use of pesticide
needs to be banned
• Mosaic of waterbodies and
wetlands need to be created
Point source : Wetlands
• Wetlands are be developed
on both banks before
treated water of nallas
enter Yamuna
• Outfall from Barapullah
should be channelized
through cascade of
wetlands already existing in
the area
• Wetlands also in smaller
drains
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1 – Development of Greenways• Various uses
Urban Agriculture Recreation spaces Wetlands
http://payload67.cargocollective.com/1/7/254933/3647282/03a_RKJ_Details_1000.jpg
The greenways are composed of different biological communities (3-tiered). These
greenways will be landscaped in a way that they will have walkways, cycleways all
along and recreational parks at places close to the human settlements. Native trees,
shrubs and herbs will be used in the development of greenways. These greenways also
serve as habitat for wildlife particularly birds, butterflies and small mammals. Such
greenways will also be developed on guide bunds. This approach not only beautifies
2 – Floodplain forests
The areas between the wetlands will
be developed into mosaic of
grasslands and floodplain forests. In
other words the biodiversity parks of
the floodplains include treatment
wetland, catchment wetlands, the
mosaic of grasslands and floodplain
forests and terrestrial forest
communities on the elevated areas.
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3 – De-siltation of wetlands
The largest wetlands can be desilted and converted into off-river reservoirs. These can store millions of gallons of flood water and will provide water to the city during dry season.
4 – Off-river reservoirs
Main water
body
Main water
body
Off-river
reservoirs
/ holding
/retention
ponds
Off-river reservoirs / holding
/retention ponds
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5-Wetlands and Bio-Diversity parks
• Wetlands are be developed
on both banks before
treated water of nallas
enter Yamuna
• Outfall from Barapullah
should be channelized
through cascade of
wetlands already existing in
the area
• Wetlands also in smaller
drains
• More Bio-diversity
parks need to be
created
• Yamuna River front
plan of DDA should
be dropped
• Nature trails needs
to be established
9000 hectares of
land
52 km
Since some of the
stretches do not
require heavy
earthwork (desilting)
the cost may come
down to Rs 30 lakh
per hectare.
Total cost –Rs. 4500 crore
Time required: 2-3 years entire project | Landscape features 2-3 years
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International Experience
PASIG
PASIG – A STORY
1. MIGRATION IN MANILA – ENCROACHMENT
2. CONCENTRATION ON WATER SUPPLY – NEGLECTED WASTEWATER
3. MUNICIPAL SEWAGE AND CLOTH INDUSTRY
4. LACK OF COMPREHENSIVE PROGRAMME
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PASIG – A SUCCESS STORY
1. SUFFICIENT LAWS AND REGULATORY PROVISIONS EXISTED
2. OVERLAPPING RESPONSIBILITIES
3. LAND USE AND ZONAL PLANNING – NOT ENFORCED
4. NO SINGULAR AUTHORITY
5. NO SUITABLE ADMINISTRATIVE STRUCTURE
Department of Environment and
Natural Resources
River Rehabilitation Secretariat
PROGRAMME SUPPORT
Planning and Monitoring
Training
Public Information and Activation
ADMINISTRATIVE SUPPORT
Accounting
Computer Operations
Transport
Utility
Secretarial
WG
Water
Qualit
y
Monit
oring
WG
Com
merci
al and
Indust
rial
polluti
on
WG
Septa
ge
Mana
geme
nt
WG
Solid
Wast
e
WG
Squat
ter
settle
ment
WG
Dredg
ing
WG
Recre
ationa
l
devel
opme
nt
WG
Sunk
en
wreck
s
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ADMINISTRATION
SET-UP
• To prevent dumping of garbage in the drains and river
• Desilting/fencing of drains.
• Closing unauthorized industries, slaughtering, & Dhobi Ghat in residential areas.
To release adequate water for dilution
Desilting/cunneting and channelization of drains including fencing.
To capture entire sewage and convey it to STPs .
Removal of squatters and J.J. Clusters from the banks of the river & River front Development.
Ensuring all industrial effluent is treated through CETPs before discharge.
To prevent untreated discharge into Delhi .
Single Secretariat
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LARGE DRAINS : CLEANING AND COST MATRIX
NAJAFGARH SUPPLEMENTARY SHAHADARA BARAPULLAH
LENGTH 54 34 30 10?
WATER TREATMENT
500
DREDGING 800
SLUDGE MANAGEMENT
100
SOLID WASTE MANAGEMENT
10
DEVELOPMENT OF PUBLIC SPACE
500
TOTAL 1910 1202 1061 250
Add 1540 crores for STP upgrade TOTAL = 5943 crores
STEPS AHEAD
1. Unified Administrative Set up with in-house expertise
2. Framing of a Statute
3. Separate Study of all Watersheds of Delhi
4. Concentration on Nallahs and its upgradation
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Thank you
05-12-2016Keshav Chandra, CEO, DJB