Sierra Leone extends bidding for operator for 50-MW Bumbuna

Sierra Leone has extended the deadline for bids for management, operation, and maintenance of the 50-MW Bumbuna hydroelectric project on the Seli River, 250 kilometers from Freetown. Bids now are due June 5, 2009.

Bids previously were due May 8. (HydroWorld 3/30/09)

After years of interruption by civil war, Sierra Leone plans to finish the project, which is 85 percent complete. The African Development Bank has approved a supplementary loan worth US$16.5 million to Sierra Leone to assist in completion of the long-delayed project. (HydroWorld 10/10/08) The 50-MW project is the first stage of a five-stage program that eventually is to total 275 MW.

The government seeks bids to: staff, operate, and maintain facilities; implement a maintenance program and an emergency action plan; carry out technology transfer for localization of staff positions; establish and maintain an environmental management plan; and prepare a cost-effective risk management plan to determine the best mix of reserve funds, insurance, and warranties to ensure minimal disruption of the facility. Sierra Leone sought expressions of interest for similar work in 2006. (HydroWorld 10/25/06)

In 2005, Hydro-Quebec International of Canada received a US$633,200 contract to provide engineering services for Bumbuna, which includes an 88-meter-tall asphalt-faced rockfill dam, two tunnels, powerhouse, and 200-kilometer transmission line linking the project with Freetown, Makeni, and Lunsar. London-based African Minerals Ltd. agreed in 2008 to commission an engineering study of the project.

Bid documents may be obtained from the address below for 600,000 leones (US$195) or the equivalent in a freely convertible currency.

Bids now are due by 2 p.m. June 5. For information, contact Director, Project Implementation Unit, Bumbuna Hydroelectric Project, Electricity House, 5th Floor, 36, Siaka Stevens St., Freetown, Sierra Leone; (232) 33-387249; E-mail: abduljay@gmail.com.

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