Lima water supply concession

project in tender

The project involves:the expansion of Pomacocha and Huallacocha dams, increase the useful volume of both reservoirs  from 36.1 MMC to 90 MMC,construction of 2 channels of 10 km approx. to capture water from 3 streams on both banks of the Yauli River, for its conduction to the Pomacocha dam,10km trans-Andean tunnel to transfer water from the Pomacocha lagoon to the Blanco river,the upgrade of the Huachipa potable water plant to produce 5m3/s,construction of 2 main treated water reservoirs with a total capacity of 137,000 m3, located near the Huachipa plant.construction of a “Ramal Sur” driving line of 40.7 km approx. and diameters between 2000 mm and 600 mm, from the Huachipa plant to Pachacamac-Lurín, including 3 tunnels: between Ate and La Molina, between La Molina and Pachacamac; and between Pachacamac and Villa María del Triunfo.construction of 7 compensation reservoirs located in the districts of Ate-Vitarte (1), La Molina (2), Pachacamac-Manchay (1), Villa María del Triunfo (2) and Pachacamac-Lurín (1) for a total volume of 49,000 m3.installation of primary driving lines of 90 km approx. to interconnect 7 projected compensation reservoirs with the existing distribution system. Once completed, these interconnection lines will be operated and maintained by SEDAPAL.The project also includes the operation and maintenance of the following existing works:Bocatoma Huachipa located on the Rímac river with a maximum flow of 12 m3/ s.Huachipa I plant with a production capacity of 5 m3/ s.Driving line “Ramal Norte” of 27.1 km in length with diameters between 2000 mm and 800 mm, from the Huachipa I plant to Los Olivos, including 2 tunnels: between Lurigancho-Chosica and San Juan de Lurigancho, and between San Juan de Lurigancho and Comas.Four compensation reservoirs located in the districts of Lurigancho-Chosica (Jicamarca of 2000 m3), San Juan de Lurigancho (Canto Grande of 9000 m3) and Comas (Collique of 4000 m3and Túpac Amaru of 8000 m3).The project will be developed on a design, build, finance, operation and maintenance (DBFOM) basis for a period of 30 years.