Bids extended again for last civil works lot of India’s 3,000-MW Dibang

India developer NHPC Ltd. issued another extension of the pre-qualification deadline for one remaining civil works package of India’s 3,000-MW Dibang hydroelectric project.

The new response date for the final outstanding construction lot, Lot 3, is July 20, 2009, extended from May 18. (HydroWorld 4/13/09)

Before that, the previous deadlines for Lots 3 and 4 were April 13 and April 1. (HydroWorld 3/6/09) There was no indication that bidding for Lot 4 would be extended again after its April 1 deadline. NHPC invited pre-qualification starting in August 2008 for a total of four packages of project work on the Dibang River in India’s Arunachal Pradesh State. (HydroWorld 6/27/08)

The 164.25 billion rupee (US$4.1 billion) multipurpose project is to include a 228-meter-tall, 816.3-meter-long concrete gravity dam and a powerhouse with 12 250-MW turbine-generators. In addition to generating power, the project is to provide flood moderation and navigation benefits on the Dibang in Lower Dibang Valley District.

Lot 3: Diversion tunnel, dam, intake, hydro-mechanical work

NHPC extended the pre-qualification deadline until 3 p.m. July 20 for Lot 3: All civil works comprising diversion tunnel, coffer dams, concrete gravity dam, intake structure, and hydro-mechanical work of the diversion tunnel. Earlier deadlines were May 18, April 13, March 12, February 6, December 3, November 3, and September 22.

The developer also extended the deadline for pre-qualification documents for Lot 3 until July 17 from the address below. The request, labeled “Request for Pre-qualification Invitation Document for Dibang Lot: 3 for Dibang Multipurpose Project,” must be accompanied by a fee of 40,000 rupees or US$1,000 by demand draft to NHPC Ltd. at Faridabad.

Documents for Lot 3 also may be obtained from the NHPC Internet site,, with the fees submitted with the application for pre-qualification. Those obtaining documents from the Internet must inform the address below at least 15 days before applications are due.

The pre-qualification deadlines now have expired for three lots:
o Lot 1: Tender stage design, construction planning, design and engineering, and project management, requiring 108 months;
o Lot 2: Infrastructure works comprising internal roads and bridges, including a 740-meter-long road tunnel, requiring 36 months; and
o Lot 4: All works comprising headrace tunnels, pressure shaft, underground powerhouse, tailrace system, and pothead yard, requiring 78 months.

For information, contact T.K. Kapoor, Chief Engineer (Civil Contracts IV), NHPC Ltd., Room 215, 2nd Floor, NHPC Office Complex, Sector 33, Faridabad 121003 Haryana, India; (91) 129-2270974; Fax: (91) 129-2254674; E-mail:;; Internet:

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