Chongqing Wastewater Project, Three Gorges Dam, China
Key Data:
Urban Environment Project
Beipei plant capacity
55,000m³/d
Capacity with five additional plants
170,000m³/d
Eventual number of WWTP
20 (providing primary treatment)
Anticipated cost
$500 million
Dam Project
Dimensions
1.6km (1 mile) across; 230m (575ft) high
Reservoir capacity
40 billion m³
Final water level
175m
Number of generators
26
Electrical generation
18,200MW
Estimated cost
$30 billion
Tangjiatuo Project
Tangjiatuo plant capacity
300,000m³/day
Population served
32 million (Jiang Bei/Yubei sectors)
Contract period
25 years
Project cost
$72.5 million
Project Timeline:
Dam construction begins
1993
World Bank approves loan for Urban Environment Project
June 2000
Construction of treatment plants commenced
December 2001
State Environmental Protection Administration report
1 April 2004
SUEZ/City of Chongqing strategic partnership established
2nd November 2005
JV agreement signed
3rd April 2006
Dam construction work completed
20th May 2006 (scheduled for 2007)
Coffer dam demolished
6th June 2006
Construction of treatment plants completed
2008-09
Dam final completion
2009
Generators fully operational
2013
Key Players:
Urban Environment Project
Client
Chongqing City
Project management
Chongqing Kangda Environmental Protection
Design
China Zhongnan; China Huabei ADI; China Northwest ADI; Shanghai ADI
Consultant engineers
Sogeah; Mott MacDonald
UV disinfection
Wedco
Three Gorges Dam Project
Client
Ministry of Water Resources and Electric Power / State Power Grid Development Company
Project management
China Yangtze Three Gorges Project Development Corporation
Other contractors
GE Canada-Siemens-Voith Hydro consortium; Sade Vigesa; Canadian International Project Managers Yangtze Joint Venture; AGRA Industries; Dominion Bridge; Fuller-F.L. Smitdth Canada; Hydro-Québec International; SNC-Lavalin Group
Bechtel; Teshmont; GEC-Alsthom Mecanica Pesada and Tianjin GEC-Alsthom Hydro; Potain; Baur; Krupp Fördertechnik; Mannesmann Demag; Tianwei Group; Shenyang Transformer Manufacturing Company; Cifa; ENEL; Mitsubishi; NKK Corporation
Fuchunjiang Hydropower Equipment Works; Kvaerner Energy; Terex Equipment; ABB Atkinson Construction; CS Johnson Harza Engineering; Rotec Industrial
Wastewater Services (Tangjiatuo)
JV partners
Chongqing Water Company/Sino-French Water (Suez/New World Group of Hong Kong JVC)
