This tender closed on 14 Oct 2026. The page stays up for reference. See open tenders from European Investment Bank.
Design and Construction of Infrastructure & Superstructure Works including Electrification under the İstanbul North Rail Crossing Project (INRAIL)Closed
Summary
AI-generated from the tender documents.
Overview
Design and Construction of Infrastructure and Superstructure Works including Electrification for the İstanbul North Rail Crossing Project (INRAIL), subdivided into four lots. Proposals are invited for Lot 1–Lot 4, with bidders able to submit for one or more lots. The package covers design and construction including electrification; telecommunication and signaling works are not included and will be tendered separately. Lot details: Lot 1 Çayrova – Sabiha Gökçen Airport – Kurtdomu; Lot 2 Kurtdomu – Alibahadr; Lot 3 Alibahadr – YSS Bridge – Mithatpaa; Lot 4 Mithatpaa – stanbul Airport – Çatalca.
Requirements
- Proposals may be submitted for one or more of the four lots (Lot 1–Lot 4).
- Scope: design and construction including electrification; telecommunication and signaling works excluded.
- Specific eligibility, certifications, and detailed requirements are not listed in the metadata; refer to the RFP for exact qualifications.
How to Apply
- Submission deadline: 2026-10-14 10:00.
- Submission method: not specified in the metadata.
- Documents to submit: not specified in the metadata.
- Pre-qualifications, briefing sessions, and document access: not specified in the metadata.
- Note: No attached bid documents are available in this metadata; check the RFP for full instructions and where to obtain documents.
Design and Construction of Infrastructure & Superstructure Works including Electrification under the İstanbul North Rail Crossing Project (INRAIL) The Ministry of Transport and Infrastructure, Directorate General of Infrastructure Investments, Türkiye (hereinafter - teh Ministry), has received financing from the World Bank through Ministry of Treasury and Finance towards the cost of the INRAIL Project. The Project is being jointly financed by the Asian Infrastructure Investment Bank, the Asian Development Bank, the European Bank for Reconstruction and Development, the Islamic Development Bank, and the OPEC Fund for International Development. The Project will finance the construction of a 127 km greenfield railway line designed to bypass the Istanbul Metropolitan Area and establish a high-capacity overland link across the Istanbul Strait (Bosphorus). The line will be double-tracked, electrified, fully signalized, and mixed-use, capable of carrying both passengers and freight, with a maximum freight carrying capacity of 50 million tons per year. The proposed railway line will originate at Çayrova station on the Asian side and terminate at Çatalca station on the European side, crossing the Istanbul Strait by utilizing the existing track space allocated on the Yavuz Sultan Selim Bridge (YSS Bridge), also known as the Third Bosphorus Bridge, located at the northern end of the Istanbul Strait. The Ministry intends to apply a portion of the loan proceeds toward payments under the contract(s) for the "Design and Construction of Infrastructure and Superstructure Works, including Electrification" subdivided into four Lots as listed below. The scope of works covered under this procurement package as a whole (all four lots together) encompasses the design and construction including electrification of 122.3 km of double-track main line and 4.7 km of single-track connection lines, 5 twin-tube Tunnel Boring Machine (TBM) tunnels totaling 36.2 km, 22 double-track New Austrian Tunneling Method (NATM) tunnels totaling 23.3 km, 17 cut-and-cover tunnels totaling 3.7 km, two viaducts and 40 bridges totaling 22.1 km, Stations, etc. The scope of works covered under each lot is specified in the RFP document. The Telecommunication and Signalling Works are not included in this procurement package and will tendered separately. The Ministry now invites sealed Proposals from eligible Proposers for the Design and Construction of Infrastructure & Superstructure Works including Electrification subdivided into the four lots below. Proposers may submit Proposal for one or more lot(s): Lot 1 — Construction and Electrification Works for the Çayrova – Sabiha Gökçen Airport – Kurtdomu Corridor (28,49 km); Lot 2 — Construction and Electrification Works for the Kurtdomu – Alibahadr Corridor (25,76 km); Lot 3 — Construction and Electrification Works for the Alibahadr – YSS Bridge – Mithatpaa Corridor (32,14 km); Lot 4 — Construction and Electrification Works for the Mithatpaa – stanbul Airport – Çatalca Corridor (39,49 km).
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