With construction and selection of major equipment suppliers under way, Colombia utility Empresas Publicas de Medellin (EPM) has issued solicitations for additional equipment to complete the 660-MW Porce 3 hydroelectric project.
In Contracting Process PC 025071, EPM seeks proposals by 3 p.m. September 28 for design, manufacture, installation, and commissioning of an automatic synchronization system and computers for generating units, a protection system for generators and transformers, and auxiliary equipment for Porce 3, which is being built on the Porce River in Antioquia Department. (HNN 7/5/06)
In Contracting Process PC 029158, EPM seeks proposals by 3 p.m. October 18 for design, manufacture, installation, and commissioning of auxiliary mechanical equipment, including a unit cooling system, power station drainage, compressed air, air conditioning and ventilation, and fire protection.
Bid documents may be obtained from EPM’s Internet site, www.eeppm.com/epmcom/contenido/proveedores/pliegoscondiciones.htm. For information, contact Empresas Publicas de Medellin, Subgerencia Desarrollo Proyectos Generacion, Carrera 58, No. 42-125, Medellin, Colombia; (57) 4-3802065; Fax: (57) 4-3806745; E-mail: email@example.com; Internet: www.eeppm.com.
EPM weighs bids for turbine-generators
EPM General Manager Juan Felipe Gaviria Gutierrez said September 18 the company is studying four bids to supply four Francis turbines, valves, governors, gates, synchronous generators, excitation systems, and switching equipment. He said bids were received from Mitsui of Japan, Impsa of Argentina, VA Tech Hydro of Austria, and Voith Siemens Hydro Power Generation of Germany.
EPM also is reviewing bids from ABB’s Brazil unit, Siemens’ Croatia unit, Hyundai of South Korea, Sudkabel of Germany, and Silec Cable of France to supply transformer and transmission equipment. Gaviria Gutierrez said it also received bids from companies in Russia, Slovenia, the Ukraine, Argentina, and Italy to supply equipment for spillway gates, bottom outlets, and conduit.
The EPM official said the utility has awarded contracts of more than 1.5 trillion pesos (US$627 million) for the project. Last year, EPM awarded a US$450 million construction contract to a consortium led by Construcoes e Comercio Camargo Correa of Brazil and including Colombian firms Conconcreto and Coninsa.
Gaviria Gutierrez said construction work already completed includes 66 kilometers of new road, several bridges, 352 meters of diversion tunnel, and 408 meters of access tunnels for an underground powerhouse. The project is to go on line in 2011, he said.
The EPM head said Imocom S.A. of Colombia is installing two Spanish-manufactured 190-ton traveling cranes for the powerhouse. He added that Trust Hydromontazh of Russia is to deliver and assemble steel for diversion channel gates, to be ready in January.