dams and bridges

8/7/2019 dams and bridges

1/10

BANDRA TO WORLI SEA LINK IN MUMBAI

The BandraWorli Sea Link (BWSL) (Marathi:Wndre Wari Sgri Setu), officially

the Rajiv Gandhi Sea Link[1]

, (Marathi:), is a cable-stayed bridge with pre-stressedconcrete viaduct approaches, which linksBandra and the western suburbs of Mumbai

with Worli and central Mumbai, and is the first phase of the proposed West Island Freeway system.

The 1,600crore (US$355.2 million) project ofMaharashtra State Road Development

Corporation (MSRDC) was executed by Hindustan Construction Company, with design and project

management by DAR Consultants. The bridge was dedicated to the public on 30 June 2009 by

Congress President and UPA Chairperson Sonia Gandhi,[9] although only 4 of 8 lanes were opened to

service.[10] All the 8 lanes were opened to traffic on 24 March 2010.

The Sea Link reduces travel time between Bandra and Worli from 4560 minutes to 7 minutes.[11]

The

link has an average dailytraffic of around 37,500 vehicles per day.


2/10

HOWRAH BRIDGE IN KOLKATA

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3/10

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4/10

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5/10


6/10

TEHRI DAM IN UTTHARKHAND

TheTehri Dam i lti e earth-fill embankment am n

theBhagirathi i ernearTehri in ttarakhand,India. It i the rimarydam f the

Tehri ydro evelopment orporation td. and theTehri hydroelectriccomplex.

ompleted in2006, theTehri am ithholdsareservoirforirrigation,municipal

atersupplyand thegenerationof 1,000 ofhydroelectricityalong ithanadditional 1,000 ofpumpedstoragehydroelectricity.[1]

A preliminary investigation fortheTehri am Project ascompleted in 1961 and its

design ascompleted in 1972 itha 600 capacitypowerplant basedoff the

study. onstructionbegan in 1978afterfeasibilitystudiesbut wasdelayeddue to

financial,environmental andsocial impacts.

In 1986, technical and financial assistancewasprovidedby the SS but thiswas

interruptedyears laterwithpolitical instability. Indiawas forced to takecontrol of the

project andat first it wasplacedunderthedirectionof the Irrigation epartment of

ttarPradesh. owever, in 1988 theTehri ydro evelopment orporationwasformed tomanage thedamand75%of the fundingwouldbeprovideby the federal

government,25%by thestate. ttarPradeshwould finance theentire irrigation

portionof theproject. In 1990, theproject wasreconsideredand thedesignchanged

to itscurrent multi-purpose. onstructionon theTehri amwascomplete in2006

while thesecondpart of theproject, the Koteshwar am,remainsongoing. [


7/10

HIRAKUD DAM

Hirakud Dam Oriya: ) isbuilt across the ahanadi iver,about 15km

fromSambalpur in thestateofOdisha inIndia. Built in 1957, thedam isoneof the

world's longestearthendam.[1] Behind thedamextendsa lake, irakud eservoir,

55km long. irakud am isoneof the longest dams in theworld,about 16 mi26 km) in length. It was the first majormultipurposerivervalleyproject startedafter

India's independence. Thenameof the dam ismostlymis-pronounced in North India

as irakundwhich isactually irakud.

Before thedevastating floodsof 1937, Sirm

. Visveswararyaproposedadetailed investigation for

storagereservoirs in them

ahanadi basin to tackle theproblemof floods in them

ahanadidelta. In

1945,under thechairmanshipofn

r. B.o

. Ambedkar, the thenm

emberof

abour, it wasdecided to

invest in thepotential benefitsofcontrolling them

ahanadi formulti-purposeuse. The

entral

aterways, Irrigationand Navigation

ommission tookup thework.[2]

On 15m

arch 1946, Sir

owthrone

ewis, then the

overnorof Odisha, laid the foundationstoneof

the

irakudn

am. A project report wassubmitted to thegovernment in

une 1947. Pandit

awaharlal

Nehru laid the first batchofconcreteon 12 April 1948. Thedamwascompleted in 1953andwas

formally inauguratedby Primem

inister

awaharlal Nehruon 13

anuary 1957. The total cost of the

project waso

s. 100.02crores in 1957. Powergenerationalongwithagricultural irrigationstarted in

1956,achieving full potential in 1966.[2]


8/10

NAGARJUNA SAGAR DAM

Nagarjuna SagarDam

Telugu: ) is theworld's largest masonrydambuilt acrossKrishna

iver inNagarjuna Sagar,Nalgonda

istrictofAndhra Pradesh,India. It isdownstream to the

Nagarjuna Sagarreservoirwithacapacityofup to 11,472millioncubicmetreswhich is theworld's

largest man-made lakewithaconcretewall of that measures 6 ft1.8m). thick. Thedam is490 ft

150 m). tall and 16 km longwith26 gateswhichare42 ft 13m). wideand45 ft 14m). tall.[1]

It isoneof theearliest irrigationandhydro-electricprojects in India. Thedamprovides irrigationwater

to theNalgonda

istrict,Prakasam

istrict,Khammam

istrictandz

unturDistrict.

Theproposal toconstruct adam touse theexcesswatersof the Krishnariverwasput

forwardby theBritishrulers in 1903. Siddeswaram, yderabadand Pulichintalawere

identifiedas thesuitable locations forthereservoirs. Theperseveranceof the ajaof

uktyalapavedway forthesite identification,designandconstructionof theda m.


9/10

METTUR DAM

TheMetturDam isa largedam inIndiabuilt in 1934.[1] It wasconstructed inagorge,where the

{iver

Kaveri enters theplains.Theoldest nameof|

etturDam is Stanley{

eservoir. Thedam isoneof the

oldest in India[cit} tio ~ ~ ]

. It provides irrigation facilities toapart of Salem, the lengthof Erode,

Namakkal, Karur,Tiruchirappali andThanjavurdistrict for271,000 acres

1,100 km) of farm land.

The total lengthof thedam is 1700 meters. ThedamcreatesStanley

eservoir. The

ettur

ydro

Electrical powerproject isalso quite large. Thedam, thepark, themajor

ydro Electricpowerstations

andhillsonall sidesmake

etturatourist attraction.

pstream from thedam is

ogenakal

alls.

Thegovernment of India'swaterresourcesministrysite[1]

the

etturdam isanoldmultipurpose

project of thesouth Indianstate

province) ofTamil Naduacross the

auveryriver. It irrigates 1,310

squarekilometreseachyear. Its installedcapacity forhydro-powergeneration is32

.

Themaximum level of thedam is 120 feet and themaximumcapacity is 93.4 tmc ft.


10/10

JAWAI DAM IN SUMERPUR

Jawai andh ) isadambuilt across the awairiver,a tributaryof

uni river.

ith

thesamename,avillagealsosituatednear to thedamandarailwaystationonAjmer-

Ahmedabadroute. It comesunderSumerpurTehsilofPali district in

ajasthan.

Jawai andh ) isoneof thevery important railwaystation

betweenAhmedabadandNewDelhirailway line forthepeoplewhocommute to theotherplaces for

theirlivelihoods.

ajorityof trainsrunningon thisroutearehavingstoppageat thisrailwaystation.

Thisrailwaystationcoversmany townsandvillages likeSheoganj,Sumerpur,Bamnera,Posalia,

Bankli,Takhatgarh, Paldi,etc. ofnearbyarea.

Thedam issituatednearSumerpur town inPali Districtof ajasthanstate in India. Thedam

wasbuilt by aharaja maid Singhof odhpur in 1946. Thisvillagecoversanareaof500

km. this is thebiggest dam in thewestern ajasthan. Thedam hascapacityof7887.5

millioncubic feet andcoversanareaof 102,315 acres 414.05km2) ofcultivablecommand

area.[1] Itsheight isabout 61.2 feet 18.7m). Sei damand Kalibordam are the feederdams

of the awai dam.

Besidesbeinga interparadise formigratorybirds, it is themainwatersupplysource

forJodhpurcityandpartsof Pali district. If there issufficient waterin th edam, thensomevillagesofJaloredistrictandPali districtget waterforirrigation from theJawai dam,which

was themainaim inmaking thisdam.[2]

Oneof thebighospital namedas ahavir ospital is locatednearthisstation,whichwas

inauguratedbyex -President latemr.zail.singh.

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