European Region 8th Part Tunnel Construction Tender

Notice for European Region 8th Part Tunnel Construction in Turkey. The reference ID of the tender is 149020653 and it is closing on 14 Oct 2026.

Tender Details

Country: Turkey
Summary: European Region 8th Part Tunnel Construction
TRT Ref No: 149020653
Deadline: 14 Oct 2026
Financier: Self Financed
Purchaser Ownership: Government
Tender Value: Refer Document
Notice Type: Tender
Document Ref. No.: 2026/1651042
CPV Classification:
45221240 - Construction work for tunnels
Purchaser's Detail:
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Description:
EUROPEAN REGION 8TH PART TUNNEL CONSTRUCTION
In order to establish the wastewater main system of Kemerburgaz District of Eyüpsultan District of Istanbul Province, European Side; In order to build the Ø3000 mm diameter Kemerburgaz wastewater tunnel and tunnel shafts, 3,539 meters of Ø3000 mm inner diameter T.B.M. was built in Istanbul Province, Eyüpsultan and Sarıyer Districts. With the New Austrian Tunneling (NATM) Method, a total of 6,354 meters of waste water tunnel manufacturing and 89 meters of tunnel shaft manufacturing. Detailed information can be found in the administrative specifications in the tender document in EKAP.
Documents:

Tender Notice

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European Region 8th Part Tunnel Construction - Turkey Tender

The ISTANBUL WATER AND SEWERAGE ADMINISTRATION GENERAL DIRECTORATE, a Government sector organization in Turkey, has announced a new tender for European Region 8th Part Tunnel Construction. This tender is published on TurkeyTenders under TRT Ref No: 149020653 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 2026-10-14.

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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