Design and Build of Ts-Ehlanyane Adit Water Tender - 102507380

Procurement Summary

Country: Lesotho

Summary: Design and Build of Ts-Ehlanyane Adit Water Release Works - Leribe District

Deadline: 31 Jul 2024

Posting Date: 12 Jun 2024

Other Information

Notice Type: Tender

TOT Ref.No.: 102507380

Document Ref. No.: 347389-2024

Competition: ICB

Financier: Self Financed

Purchaser Ownership: Public

Tender Value: Refer Document

CPV Classification

45000000 - Construction work

Purchaser's Detail

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Tender Details

This contract will include: a.The refurbishment, reinstalment and testing of an existing DN600 butterfly shut-off valve at the Adit cone face. b.The supply and installation of a new DN600 needle valve complete with anti-cavitation and flow regulation mechanism at the adit, just after the existing butterfly valve. c.The supply and installation of a DN 600 flow meter on the adit offtake with facility to transmit the cumulative water release data to the Ha Setene WTP and the LHDA offices. d.The detail design of the proposed steel/or any other suitable material Tśehlanyane pipeline with the capacity to transfer a maximum of 1.70 m3/s to be constructed from the Katse supply line, ± 1 855 meters inside a tunnel of ± 6-meter diameter. Outside the tunnel, the water will be transported in an open concrete channel of ± 40 meters length to the upper catchment stream of the Hlotse River. (The Contractor should take note that if steel is chosen for the pipeline, it must be completely isolated from the LHDA upstream infrastructure, to prevent spreading of corrosion and appropriate cathodic protection measures must be implemented.) e.The construction of the above a pipeline, should be such that the pipe is buried for the first ± 1 000 m within the centre of the ± 6-meter diameter tunnel and thereafter transferred to the extreme side of the tunnel. The pipe will then release the flow into an open channel fitted with a Parshall flume and down to a cascaded outfall into the Hlotse River. The...
Document Type: Contract Notice

Reference Number: LLWDP/W22

Contract Type: works

Authority Type: cga

Doc Title: Design and Build of Ts’ehlanyane Adit Water Release Works – Leribe District

Dispatch Date: 2024-06-11

Publish Date: 2024-06-12

Submission Date: 2024-07-31

Documents

 Tender Notice