Invitation for prequalification, deadline 3rd November, 2008 for Lot 3 of the 3,000 MW (12 x 250 MW) Dibang multipurpose project. Lot 3 is for all civil works comprising five 12 m-diameter horseshoe-shaped diversion tunnels varying from 1,175 m to 1,325 m in length (6,260 m altogether); an upstream RCC cofferdam, a downstream earthfill cofferdam and a 288 m-high concrete gravity dam; six intake structures (one for each headrace tunnel); and six smaller horseshoe-shaped headrace tunnels, 9 m in diameter and with lengths varying from 300 m to 600 m (total length of 2,700 m). The completion time is 90 months. Contact National Hydroelectric Power Corporation (NHPC), Chief engineer (civil contracts-IV), NHPC Office complex, Room No.215, Second floor, Sector-33, Faridabad 121003, Haryana. Tel. +91 1292270974, fax +91 1292254674, e-mail tkkapoor@nhpc.nic.in. Visit www.nhpcindia.com/English/Scripts/Tender_Specification.aspx?vid=2133 and www.nhpcindia.com/English/Scripts/T_tender_extension_link.aspx?vid=1529 40/08.Invitation for prequalification, deadline 31st October, 2008 for Lot 4 of the 3,000 MW (12 x 250 MW) Dibang multipurpose project. Lot 4 is for all civil works comprising six 184.8 m-high 7.5 m-diameter vertical pressure shafts downstream of each headrace tunnel; an underground powerhouse complex containing 12 x 250 MW units with a 277.8 m-long x 17 m-wide x 26.1 m-high MIV cavern, a 382.8 m-long x 24.5 m-wide x 54.8 m-high powerhouse cavern and a 325 m-long x 19 m-wide x 31.5 m-high transformer cavern; six 9 m-diameter horseshoe-shaped tailrace tunnels varying from 320 m to 470 m in length; and a pothead yard. Completion time is 78 months. Contact National Hydroelectric Power Corporation (NHPC), Chief engineer (civil contracts-IV), NHPC Office complex, Room No. 216, Second floor, Sector-33, Faridabad 121003, Haryana. Tel. +91 1292270974, fax +91 1292254674, e-mail tkkapoor@nhpc.nic.in. Visit www.nhpcindia.com/English/Scripts/Tender_Specification.aspx?vid=2046 and www.nhpcindia.com/English/Scripts/T_tender_extension_link.aspx?vid=1535 40/08.Application for prequalification for Dibang Lot 4 has been extended until 30.01.2009. More from T K Kapoor at NHPC, tel +91 129 227 0974, e-mail tkkapoor@nhpc.nic.in. For full description of Lot 4 visit archive in/60. 51/08.