Riet Ii Sea Waterworks, Lot 3: Sea Water Intakes, Including Tender

Notice for Riet Ii Sea Waterworks, Lot 3: Sea Water Intakes, Including Flushing Holes in Switzerland. The reference ID of the tender is 139878929 and it is closing on 31 May 2026.

Tender Details

Country: Switzerland
Summary: Riet Ii Sea Waterworks, Lot 3: Sea Water Intakes, Including Flushing Holes
CHT Ref No: 139878929
Deadline: 31 May 2026
Financier: Self Financed
Purchaser Ownership: Government
Tender Value: Refer Document
Notice Type: Tender
Document Ref. No.: 272275-2026
Purchaser's Detail:
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Description:
Riet II sea waterworks, lot 3: sea water intakes, including flushing holes The RWSG supplies around 150,000 people and numerous companies in the Lake Constance region to St. Gallen. Due to increasing water demand, lack of redundancies and existing studies RWSG is planning to build a new seawater plant next to the Riet high-pressure pumping station in Goldach to ensure long-term regional water supply. The construction of the new building was divided into several lots. The subject of the present The tender is for the lot of sea water intakes, including flushing drillings. The contract includes the construction of three complete sea pipelines including the associated extraction and return structures. Flushing holes are created in a section. The PE lines are pulled through the borehole in this section and laid on the lake bed in the other section. Also part of the tender is the creation of the watertight penetration of the sheet pile wall. Between the lot There are numerous interfaces between sea water intakes and Lot 1 (civil engineering). Close coordination between the entrepreneurs involved is therefore necessary. The start of work for the flush drilling work is October 1, 2026. The partial excavation pit for the Flushing drilling is carried out by lot 1 (civil engineering). The flushing boreholes and sea pipelines must be completed by March 19, 2027 (due to the grace period for Lake Constance). Doc Title: Seewasserwerk Riet II, Lot 3: Seewa...
Documents:

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Riet Ii Sea Waterworks, Lot 3: Sea Water Intakes, Including Flushing Holes - Switzerland Tender

The RWSG REGIONAL WATER SUPPLY ST. GALLEN AG, a Government sector organization in Switzerland, has announced a new tender for Riet Ii Sea Waterworks, Lot 3: Sea Water Intakes, Including Flushing Holes. This tender is published on SwitzerlandTenders under CHT Ref No: 139878929 and is categorized as a Tender. Interested and eligible suppliers are invited to participate by reviewing the tender documents and submitting their bids before the deadline on 2026-05-31.

The estimated tender value is Refer Document, and full details, including technical specifications and submission requirements, are provided in the official tender documents. Ensure all submissions meet the criteria outlined to be considered for evaluation.

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