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The "UZBEKGIDROENERGO" JSC (BRANCH OF "UZBEKGIDROENERGO" JSC "ORTA CHIRCHIK HYDROELECTRIC CASCADE" BRANCH) has issued a Tender notice for the procurement of a "Drilling of Wells in Order to Determine the Engineering-Geological Characteristics of the Base and the Condition of the Cementation Layer in the Right Bank Junction of the Charvoq Hpp Dam" in the Uzbekistan. This Tender notice was published on 22 Aug 2026 and is scheduled to close on 28 Aug 2026, with an estimated Tender value of UZS 539850000. Interested bidders can access detailed Tender information, eligibility criteria, and complete bidding documents by referencing TOT Ref No. 147744403, while the tender notice number is 26120012508248 and Registering on the platform.
Procurement Summary
Country: Uzbekistan
Summary: "Drilling of Wells in Order to Determine the Engineering-Geological Characteristics of the Base and the Condition of the Cementation Layer in the Right Bank Junction of the Charvoq Hpp Dam"
Deadline: 28 Aug 2026
Posting Date: 22 Aug 2026
Other Information
Notice Type: Tender
TOT Ref.No.: 147744403
Document Ref. No.: 26120012508248
Competition: ICB
Financier: Self Financed
Purchaser Ownership: Public
Tender Value: UZS 539850000
Purchaser's Detail
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Email: Login to see tender_detailsLogin to see details Tender Details "Drilling of wells in order to determine the engineering-geological characteristics of the base and the condition of the cementation layer in the right bank junction of the Chervok HPP dam" 1. Drilling works 1 inclined well with a depth of 55 m and 75 m 1 vertical well at a depth of 130 meters. Drilling works are carried out on a scaled basis by columnar method, with a diameter of up to 95 mm. There are engineering and geological studies of the cementation curtain in the right bank junction of the dam. it is carried out in order to determine the condition (water permeability) and engineering-geological characteristics of the foundation. Includes: 1. Drilling 1 inclined well 55 m deep and 1 vertical well 75 m deep, total 130 meters of well drilling. Drilling is carried out on a scaled basis by columnar method, with drilling equipment up to 95 mm in diameter, under the condition of complete core extraction. Drilling is cementing at the right bank mark of 827.0 m It is done from the table. 1.2. Experimental filtration works are carried out by pumping water under pressure at intervals of 5 m. 1st interval — 10 atm.; 2nd interval — 15 atm.; 3rd interval and subsequent intervals — 20 atm. 1.3. Field studies at least 200 taking a scale rock sample. 1.4. Laboratory research of the obtained samples in the laboratory of Gidroproekt JSC. Documents
Status : Eʼlon qilindi Source of funding : O‘rta Chirchiq HPPs cascade branch o‘z mablag‘lar
Procurement Documents for Uzbekistan
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