Runner rehab sought for India’s 1,500-MW Nathpa Jhakri

Project operator Satluj Jal Vidyut Nigam Ltd. (SJVN) seeks bids by April 25 for repair and refurbishment of two turbine runners at the 1,500-MW Nathpa Jhakri hydroelectric project on the Satluj River in Himachal Pradesh State.

SJVN seeks repair of the runners of Unit 5 at the Jhakri site and of Unit 6 outside the Jhakri site. The project, which has six 250-MW units, was commissioned in 2003.

Work is to include: mapping of runner blades for determination of erosion and damage; non-destructive testing of the runner including magnetic particle inspection; metallographic, microscopic, and chemical analysis of parent material; methodology for welding and heat treatment; grinding of vital runner blade surfaces to achieve original profile; testing hardness analysis after repair; and machining, testing, and balancing, following a procedure for runner repair due to silt erosion as issued by GE Hydro.

Bid documents may be obtained until April 21 from the SJVN Internet site, www.sjvn.nic.in, or from the address below. Payment of 1,000 rupees (US$22) is to be submitted for documents on each runner by demand draft to Satluj Jal Vidyut Nigam Ltd. at Shimla. Bids are due by 11 a.m. April 25.

For information, contact General Manager (Electrical), Satluj Jal Vidyut Nigam Ltd., Suraj Kunj Building, New Shimla 171009 Himachal Pradesh, India; (91) 177-2671296; Fax: (91) 177-2670295; E-mail: elect.contracts@sjvn.nic.in; Internet: www.sjvnindia.com.

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