Search

  • Search

    Design and Construction of Infrastructure & Superstructure Works including Electrification under the İstanbul North Rail Crossing Project (INRAIL)

    Ministry of Transport and Infrastructure, Directorate General of Infrastructure Investments

    Design and Construction of Infrastructure & Superstructure Works including Electrification under the İstanbul North Rail Crossing Project (INRAIL)

    1. Competition notice published

      19. aug. kl. 13:2219. august 2026 kl. 13:22

    2. Tender submission deadline

      14. okt. kl. 11:3014. oktober 2026 kl. 11:30

    3. Opening date

      14. okt. kl. 11:4514. oktober 2026 kl. 11:45

    4. Tender validity period

      6. feb. kl. 12:306. februar 2027 kl. 12:30

    Brief

    Tender search/Ministry of Transport and Infrastructure, Directorate General of Infrastructure Investments/Design and Construction of Infrastructure & Superstructure Works including Electrification under the İstanbul North Rail Crossing Project (INRAIL)
    Brief

    Grunnarbeid og anleggsvirksomhet

    The Ministry of Transport and Infrastructure, Directorate General of Infrastructure Investments, Türkiye, needs design and construction services for infrastructure and superstructure works, including electrification, for the İstanbul North Rail Crossing Project (INRAIL) over 1,826 days. The project involves the construction of a 127 km double-tracked, electrified, fully signalized, mixed-use railway line designed to bypass the Istanbul Metropolitan Area and establish a high-capacity overland link across the Istanbul Strait. The scope of works includes 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, and stations. The procurement is divided into four lots: Lot 1 (Çayrova – Sabiha Gökçen Airport – Kurtdomu Corridor, 28.49 km), Lot 2 (Kurtdomu – Alibahadr Corridor, 25.76 km), Lot 3 (Alibahadr – YSS Bridge – Mithatpaa Corridor, 32.14 km), and Lot 4 (Mithatpaa – stanbul Airport – Çatalca Corridor, 39.49 km). Proposers may submit proposals for one or more lots.

    About the bid

      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).

      Contact name
      Serkan UÇAR, Head of Railways Construction Department
      Contact phone
      +90 312 203 17 40
      Contact email
      irfan.kurnaz@uab.gov.tr
      Address
      Hakkı Turayliç Caddesi No:5, Emek 06500, 06500 Ankara

    Custom Assessment Criteria

    Start a free trial to ask your own questions about the tender and get AI-generated answers.

    Award Criteria

      Found no award criteria in the contract notice.

    Qualification requirements

      Found no qualification requirements in the contract notice.

    Previous Contract Winners

    Start a free trial to see who has won similar tenders for this buyer.

    See the full notice

    Contracting authority
    Ministry of Transport and Infrastructure, Directorate General of Infrastructure Investments
    Title
    Design and Construction of Infrastructure & Superstructure Works including Electrification under the İstanbul North Rail Crossing Project (INRAIL)
    Type
    CompetitionPrequalification
    Main code
    45234100Railway construction works
    Supplemental codes

    No supplemental codes from buyer…

    Duration
    1,826 days

    Active similar competitions

    • State Enterprise "Railway of Moldova"

      Oppføring av bygninger

      Design services and execution of works within the project “Rehabilitation of the Roman – Iași – Frontier Railway Line – Stage I – Electrification of the Iași – Border (RO) – Ungheni (MD) Railway Line”

      Întreprinderea de Stat „Calea Ferată din Moldova” are nevoie de servicii de proiectare și execuție de lucrări pentru proiectul „Reabilitarea liniei de cale ferată Roman – Iași – Frontieră – Etapa I – Electrificarea liniei de cale ferată Iași – Frontieră (RO) – Ungheni (MD)”, în cadrul unui aranjament de tip „Design & Build / La cheie”, cu o valoare maximă totală de 5.621.016 EUR, pe o durată de 24 de luni. Contractul include proiectarea și execuția lucrărilor pe teritoriul Republicii Moldova, inclusiv modernizarea podului feroviar Eiffel peste râul Prut, reconstrucția infrastructurii feroviare și a liniilor de cale ferată cu ecartament de 1435 mm în stația Ungheni, electrificarea liniei de cale ferată la 25 kV, 50 Hz, inclusiv sistemul de alimentare cu energie de tracțiune și linia de contact aeriană, precum și lucrări legate de semnalizare, interblocare, telecomunicații și protecția/relocarea rețelelor de utilități afectate.

      Competition9. sep. 2026
      14. okt. 2026(3 days)
      €5,621,016

    • Iarnród Eireann-Irish Rail

      Grunnarbeid og anleggsvirksomhet

      8816 QS Large Civil Engineering Works - Lots 1-3 (€5M to €10M, €10M to €20M and €20M to €50M)

      This is a call to competition by Iarnród Éireann to establish a multi-party Qualification System with three lots for large Civil Engineering Works associated with the upgrading of the railway infrastructure or Rosslare Europort and other related works that Iarnród Éireann may undertake directly or on behalf of Bus Eireann, Dublin Bus or CIE on their properties. Iarnród Éireann, also known as Irish Rail, operates Ireland's national railway network. Iarnród Éireann was founded in 1987, as a subsidiary of Córas Iompair Éireann (CIÉ). Iarnród Éireann operates all internal InterCity, Commuter, DART, and freight train services in the Republic of Ireland, as well as the Enterprise service between Dublin and Belfast, in collaboration with Northern Ireland Railways. In addition to its railway services, Iarnród Éireann also oversees the operation of Rosslare Europort, which serves as a significant ferry port connecting Ireland with destinations in the United Kingdom and mainland Europe. The extent and details of these works will vary from location to location. All project works shall be tendered to those companies, depending on the selected lot, approved for inclusion on this Qualification System under the chosen lot. Companies may apply for one or multiple lots and can apply for inclusion at any stage of the Qualification System’s duration. An individual PQQ application must be submitted for each lot CLOSING DATE FOR RETURN OF INITIAL COMPLETED QUESTIONNAIRE: 12 noon on 22.05.2024 but new applicants may apply for inclusion at any stage during the lifetime of this QS. Lot 1: Contracts with an estimate value of between €5M and €10M (excl. VAT) Lot 2: Contracts with an estimate value of between €10M and €20M (excl. VAT) Lot 3: Contracts with an estimate value of between €20M and €50M (excl. VAT)

      Qualification system9. april 2025
      7. mai 2028(100+ days)

    • Iarnród Eireann-Irish Rail

      Oppføring av bygninger

      9667-Qualification System for Civil Engineering Works for €1m to €5m - Lot 1

      Iarnród Eireann-Irish Rail needs civil engineering works for the upgrading of railway infrastructure and other related works, which may include maintenance, construction, and alteration of bridges, coastal defense, platform works, footbridges, car parks, embankment/cutting works, roads, earthworks, drainage, boundary treatment, minor civil engineering and building works, installation of ducting/services routes, demolition of railway structures, foundation works, ground engineering, and geotechnical processes. The works are for projects valued between €1 million and €5 million. Suppliers must be approved for inclusion on the Qualification System.

      Qualification system23. april 2026
      19. aug. 2031(100+ days)

    • Iarnród Eireann-Irish Rail

      Grunnarbeid og anleggsvirksomhet

      8816 QS Large Civil Engineering Works - Lots 4-6 (Design and Build Requirements)

      Iarnród Éireann (IÉ) currently have a multi-party Qualification System (QS) for large Civil Engineering Works associated with the upgrading of the railway infrastructure or Rosslare Europort and other related works that Iarnród Éireann may undertake directly or on behalf of Bus Eireann, Dublin Bus or CIE on their properties. This Qualification System currently has three lots: Lot 1 – Civil Works €5m to €10m, Lot 2 – Civil Works €10m to €20m, and Lot 3 - Civil Works €20m to €50m. This Qualification System is currently available here: https://www.etenders.gov.ie/epps/dps/prepareViewCfTDPSWS.do?resourceId=3407229. IÉ intend to establish 3 additional lots under the above Qualification System (QS) relating to Design and Build (D and B) requirements. It is intended that these requirements will be used to undertake various works in conjunction with large capital projects, such as DART+, Cork Area Commuter Rail (CACR), East Coast Railway Infrastructure Protection Projects (ECRIPP), etc. The extent and details of these works will vary from location to location. All project works shall be tendered to those companies, depending on the selected lot, approved for inclusion on this Qualification System under the chosen lot. Companies may apply for one or multiple lots and can apply for inclusion at any stage of the Qualification System’s duration. The lots available for application are as follows: Lot 4: Design and Build Requirements for Large Civil Engineering Works (€5m to €10m). Lot 5: Design and Build Requirements for Large Civil Engineering Works (€10m to €20m). Lot 6: Design and Build Requirements for Large Civil Engineering Works (€20m to €50m). Additional requirements relating to Design and Build (D and B) will fall under the following scope: Ancillary civils design to for all civils related works and minor building works as required, Ancillary civils design to support utility diversions (if required by utility owners), Ancillary civils design for construction compounds, Highways design for compound accesses, Highways and geotechnical design, Ancillary civils design for site clearance works and compound establishment, Ancillary civils design for construction fibre backbone containment, Signaling and Telecom design for construction fibre backbone, Structural design for Road Bridge Reconstruction.

      Qualification system9. april 2025
      7. mai 2028(100+ days)