Bulgaria seeks contractors to refurbish 700-kW Studena Dam hydro project


Bulgaria's Ministry of Regional Development and Public Works (MRDPW) invites applications for pre-qualification to rehabilitate civil, mechanical and electrical works of 700-kW Studena Dam. Responses are due January 12, 2015.

The ministry recruited consultants to supervise the rehabilitation construction in April. It also issued a similar solicitation for Studena in 2012. Utility Natsionalna Elektricheska Kompania EAD recruited consultants in September for a program to rehabilitate major hydroelectric projects in Bulgaria.

Studena Dam impounds the Struma River and its tributary Matnitsca and Kladnitsa rivers to provide water supply, flood protection, and hydropower production. It includes a concrete buttress dam, front spillway and stilling basin, bottom outlet with stilling basin, intake tower, penstock, hydro plant with two Francis turbine-generators, headrace channel, and feeder canals.

MRDPW has received World Bank financing to rehabilitate the project, whose hydro-mechanical equipment is outdated and worn out, with the exception of spillway gates and new control valves on bottom outlet pipes. Intake pressure piping is heavily corroded, while controls and instrumentation are at the end of life. The dam has no electronic system for data processing and storage.

Pre-qualification documents in English may be obtained from the ministry Internet site at www.mrrb.government.bg. Applications for pre-qualification are due by noon January 12 to the address below.

For information, contact Ministry of Regional Development and Public Works, Attn.: Andrey Andreev, MIDP Project Coordinator, 17-19, Kiril and Methodii Street, 1202 Sofia, Bulgaria; (359) 29405291; Fax: (359) 29872517; E-mail: aandreev@mrrb.government.bg; Internet: www.mrrb.government.bg.

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