Civil Works for Both Power Houses Including Headrace Tunnels, Surge Shafts & Tailrace Tunnels of Diamer Basha Dam Project

The Pakistan Water and Power Development Authority (WAPDA) through its wholly owned subsidiary, Diamer Basha Development Company (Pvt.) Limited (DBDC), invites electronic bids from eligible bidders for civil works at the Diamer Basha Dam Project located in Chilas, Gilgit Baltistan. The procurement is conducted via international competitive bidding using a Single-Stage Two Envelope Request for Proposal (RFP) method. Items being procured: - Civil Works for Both Power Houses (Left & Right Bank) - Headrace Tunnels - Surge Shafts - Tailrace Tunnels of Diamer Basha Dam The scope includes comprehensive civil construction works for the power houses and associated tunnels, requiring bidders to comply with detailed technical specifications, drawings, and terms available on the PPRA E-PAD Portal at https://www.eprocure.gov.pk. Bidders must ensure their submissions meet all qualification criteria outlined in Section III of the bidding documents. Eligibility criteria include submission of a Bid Security amounting to a substantial **PKR 4,000 Million** or equivalent bank guarantee from a scheduled bank in Pakistan. The original bid security must be delivered to the Chief Engineer/Project Director at the WAPDA House Lahore office or WAPDA Colony Thor, Diamer, Gilgit Baltistan before the deadline. Electronic bids must be submitted using EPADS V 1.0 by **15 December 2026 at 11:00 AM**. Manual bids will not be accepted. The bids will be opened on the same day at 11:30 AM in the presence of bidders' representatives at the Chief Engineer/PD Diamer Basha Dam Project office in Chilas. Bidders are advised to carefully review all bidding documents and ensure timely submission through the e-bidding portal. A practical tip for bidders is to verify their FBR and ATL registration status and prepare the bid security well in advance to avoid last-minute delays. This tender offers a significant opportunity for qualified contractors experienced in large-scale dam and tunnel civil works to participate in one of Pakistan's major infrastructure projects.