mangla dam
TRANSCRIPT
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"A reservoir is a man’s triumph over nature and the sight of a vast sheet of water brings an inner satisfaction to those who behold."
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MANGLA DAM
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GROUP MEMBERS
Bilal Ali Syed (07-C-88)
Omer Zafar (07-C-79)
Waqas Anwar (07-C-78)
Ali Sumair (07-C-47)
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Bird’s Eye View of River Jhelum
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Parties Of The ProjectFunding from World BankDesigned and supervised by Binnie & Partners of LondonBuilt by Mangla Dam Contractors, a consortium of 8 U.S.
construction firmsSponsored by Guy F. Atkinson Company of South San
FranciscoContractors employed Pakistanis, Americans, British,
Canadians, Germans, and Irish
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THE MANGLA DAM The world’s largest dam at the time of its
completion.
Total fill was 140 million cubic yards. (in all the four dams, main dam, Jari dam, intake dam and Sukian dam.)
Previous largest dam was “fort peck dam” on the Missouri river in Usa.
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PRIMARY FUNCTION
To increase the amount of water that could be used for irrigation
To generate electrical power from the irrigation releases at the artificial head of the reservoir
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STRUCTURES Main Structures Of The Mangla Dam Include
4 Embankment Dams
2 Spillways
5 Irrigation Tunnels
A Power Station
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THE MAIN DAM The main dam is 10300 feet long
Height of the main dam above core trench is 454 ft.
Width is 41 ft
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THE MAIN DAM
83 million cubic yard earth fill was used in main dam and the main dam was the world’s 3rd largest dam.
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INTAKE EMBANKMENT DAM Height of the intake embankment dam above
core trench is 262 ft.
Length 1900 ft.
Width 147 ft.12
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JARI DAM 43 million cubic yards earth fill used in Jari dam
Maximum height above core trench 274 ft.
Length 6800 ft.
Width 40 ft.
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SUKIAN DAM
Maximum height above core trench 144 ft.
Length 16900 ft.
Width varies 30 ft. To 40 ft.14
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General View of Main Spillway
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MAIN SPILLWAY
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GENERAL INFORMATION 50 million dollar earth moving machinery “world’s
largest peace time collection of construction equipment.”
Average rate of fill was 3 million cubic yard per month.
With max. Rate 4 million cubic yard per month.
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GENERAL INFORMATION
Aggregate plant capacity 3000 cubic yards of concrete per hour. world’s biggest plant at that time.
“Mole” to drive tunnels, specially designed. 36 ft. diameter to excavate 1650 ft. long five tunnels. at a rate 105 ft. per day. operated by “Pakistani” operators.
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EFFECTIVESOver 280 villages and the towns of Mirpur and Dadyal
were submerged
Over 110,000 people were displaced from the area
People had to leave their ancestral homes
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COMPENSATIONPay royalties to the Government of
AJK(Azad Jamu and Kashmir)
Work permits for Britain by the Government of Pakistan
In many cities in the UK the majority of the 'Pakistani' community actually originated from the dadyal Mirpur area of Disputed region Jamuu Kashmir.
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Acknowledgement from The Government
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SETBACKS
Due to an Indian Air Force raid during the Indo-Pakistani War of 1971
Due to failure of turbines on 29th of June,2009
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Mangla Dam Water Flow
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MANGLA RAISING
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THE PROPOSAL30ft raising of dam
Increment in storage capacity by 2.9 million acre feet
Average annual energy output estimated to increase by 772 GWH
14% of the present energy yields from Mangla
8023 households
An area of 15783 acres will be submerged in water
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PARTIES OF THE PROJECTWater and Power Development Authority (WAPDA)
Chinese Company China International Water and Electric Corporation for the construction of main works of Mangla Dam Raising Project
Descon Engineering, Interconstruct Gammon Pakistan and Sachal Engineering Works
Mangla Joint Venture (MJV) NESPAK, ACE, Barqaab, Binnie Black, Veatch & Harza
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MAIN COMPONENTS
Main Dam & Intake Embankment Sukian Dyke Jari Dam & Rimworks Main Spillway Emergency Spillway Gate Equipment Mirpur Bypass Road
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Salient Aspect of Raising ProjectFeature Present Projected
Reservoir 1202 ft. (366.5m) 1242 ft. (378.7 m)
Minimum Operation Level
1040 ft. (317.1 m)
1040 ft. (317.1 m)
Gross Storage Capacity
4.5 MAF (5,553 MCM) in year 2007
7.4 MAF (9,132 MCM) in year 2007
Crest Elevation of Erodible Bund
1216 ft (initial 1208 ft)
Replaced by Concrete Control Weir, Crest elevation. 1243 ft. (379 m)
Elevation of Control Structure
1234 ft. (376.2 m)
1266 ft. (386 m)
Main and Intake Embankment Height
454 ft. (138.5 m) 484 ft. (147.6 m)
Additional Average Annual Water Availability 2.88 MAF (3,550 MCM)
Additional Average Annual Hydropower 644 GWh
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COMPENSATION PACKAGENew City
Four towns with modern facilities
Infrastructure of high standard
Owners of land & built up property would be adequately compensated
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OTHER ADVANTAGES
Generation of employment opportunities
fillip to socio-economic activities
Fishermen
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REFERENCESWikipedia
Pakpaedia
MDRP. Resettlement Organization goAJK
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