Mexico

 

Baja California Hydraulic Infrastructure Project

Project Features
Development of water purification and sewage treatment facilities including water distribution and sewerage systems to improve the living conditions of approximately 3 million people in the urban cities of Mexicali, Tijuana and Ensenada and to help reduce pollution of surface waters along the Mexico-USA border, including Salton Lake and the Gulf of California; construction of new 86 MLD and 108 MLD water treatment plants; improvement and renovation of a 190 MLD water treatment plant; pump stations, storage tanks and over 450 km water transmission and distribution pipelines up to 1,100 mm diameter; construction of a wastewater treatment plant including small-bore sewers to serve densely populated areas, 94 km collector and trunk sewers up to 1,500 mm diameter; 9 new sewage treatment plants with a combined capacity of about 200 MLD and expansion of one sewage treatment plant of 108 MLD capacity.

Scope of Services
Detailed engineering design; assistance in pre-construction activities; construction supervision including validation of work estimates; technology transfer; preparation of reports and conceptual designs for water and wastewater treatment plants; preparation of turnkey bid documents; review of previous projects implemented by the municipal executing agencies and recommended measures for improvement; conduct of environmental impact study.

Client
State Public Services Commissions of Mexicali, Tijuana and Ensenada / State Water Commission

Funding Institution
Japan Bank for International Cooperation

Valley of Mexico Sanitation Project

Project Features
Improvement of the drainage and sanitation conditions in the Valley of Mexico, located within the Trans-Mexican Volcanic Belt covering a surface area of 9,000 sq km containing one-third of Mexico’s 100 million population; construction of four wastewater treatment plants with capacities of 3,000 MLD, 860 MLD, 430 MLD, and 43 MLD; 15.5 km long 5,500 mm diameter conveyance tunnel; and a 40,000 L/s 35m head pump station.

Scope of Services
Technical advisory role for the design control, construction supervision and initial commissioning of the facilities; information management and coordination between the funding, executing and implementing agencies; assistance in the environmental impact assessment, bidding, preparation of pre-qualification documents and evaluation and final selection of contractors.

Client
National Works and Public Services Bank / National Water Commission

Funding Institutions
Japan Bank for International Cooperation

Guadalajara Water Supply and Sanitation Project

Project Features
Improvement of the existing water supply to meet the 2010 water demand due to the growing population; improvement of the sewerage facilities to protect the environment; construction of six sewage treatment plants ranging from 12,000 cu. m/d to 482,000 cu. m/d with a total treatment capacity of 825,000 cu. m/d; Installation of 52 km of 900 mm to 1500 mm diameter aqueduct, 16 km of 600 mm to 1500 mm diameter main distribution pipelines, two pump stations; and procurement of macro flow-meters with tele-metering and micrometers for water loss reduction program.

Scope of Services
Review of the population projection, water demand, and wastewater flows and characteristics in Guadalajara; evaluation of sewage treatment process; review of detailed design for the water supply components prepared; development of project implementation schedule, organization and structure; review of financial and tariff systems; review of the water source development plan; and conceptual design of the proposed water supply and wastewater facilities.

Client
Jalisco State Government represented by SEDEUR

NJS Consultants Co., Ltd.

Head Office,Tokyo

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