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BHUTAN: GLOF Hazard Assessment and Numerical Tender - 140678164

The WORLD BANK(WB) has issued a Tender notice for the procurement of a BHUTAN: GLOF Hazard Assessment and Numerical Modelling to derive GLOF Parameters for selected HEPs in the Bhutan. This Tender notice was published on 05 May 2026 and is scheduled to close on 18 May 2026, with an estimated Tender value of Refer Document. Interested bidders can access detailed Tender information, eligibility criteria, and complete bidding documents by referencing TOT Ref No. 140678164, while the tender notice number is 0002021957 and Registering on the platform.

Procurement Summary

Country: Bhutan

Summary: BHUTAN: GLOF Hazard Assessment and Numerical Modelling to derive GLOF Parameters for selected HEPs

Deadline: 18 May 2026

Posting Date: 05 May 2026

Other Information

Notice Type: Tender

TOT Ref.No.: 140678164

Document Ref. No.: 0002021957

Competition: ICB

Financier: World Bank (WB)

Purchaser Ownership: Public

Tender Value: Refer Document

Purchaser's Detail

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Tender Details

The World Bank intends to engage a consulting firm to carry out a comprehensive glacial hazard assessment and Glacial Lake Outburst Flood (GLOF) modelling study for three planned hydropower (HEP) projects in the Mangdechu river basin, Bhutan (refer to the Terms of Reference for details). The scope includes: (i) field investigations, and analysis of remote sensing datasets to develop an inventory of glacial lakes and assess basin-wide GLOF susceptibility, to identify high-hazard lakes and define GLOF process chains, with focus on slope-failure-induced mechanisms; (ii) hydrodynamic modelling of near-field processes governing GLOF initiation, including slope failure impacts, impulse wave generation, moraine interaction, and breach development, to generate outburst hydrographs; (iii) basin-scale hydrodynamic routing of GLOF process chains, including extraction of discharge hydrographs and flood characteristics along the flow path; and (iv) interpretation of modelling outputs to derive conservative, design-relevant GLOF hydraulic parameters at the three HEP sites, including integration with Probable Maximum Flood (PMF) estimates to produce combined PMF + GLOF hydrographs, arrival times, and associated flow characteristics under various scenarios, including cases involving multiple lakes. The Druk Green Power Corporation (DGPC) will serve as the beneficiary and technical counterpart for the study, while the World Bank will be responsible for commissioning and overseeing the delivery of the analytical work.
90 - CONTRACT CONSULTANTS

Documents

Tender Notice

Bhutan-GLOF-Modelling-ToR_01May2026.docx

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