Kolkata Metro update: Bids invited for supply of 750V DC Third Rail Traction system for Joka-Majerhat corridor Phase-2 and Airport-New Garia corridor Phase-2

The Rail Vikas Nigam Limited (RVNL) has invited bids under single stage two packet system for the work of ‘Engineering, Supply, Erection, Testing and Commissioning of 33 KV Power Distribution, Traction Substation, Auxiliary Substations and 750 V DC Third Rail Traction system for Joka-Majerhat Corridor Phase 2 and Airport-New Garia Corridor Phase-2 of Metro Railway Kolkata, in 2 (Two) Packages.

The two Contract Packages are as under:
1. Package- 3 – “Engineering, Supply, Erection, Testing and Commissioning of 33 KV Power Distribution, Traction Substation, Auxiliary Substations and 750 V DC Third Rail Traction system for Joka-Majerhat Corridor (Mominpur) and Airport-New Garia Corridor (Hemendra Mukherjee(Excl.) to Bidhannagar of Metro Railway Kolkata.

  • Estimated Cost of Project: Rs. 258.25 Crores
  • Bid Security: Rs. 2 Crores
  • Period of Completion: 24 months

2. Package- 4 – “Engineering, Supply, Erection, Testing and Commissioning of 33 KV Power Distribution, Traction Substation, Auxiliary Substations and 750 V DC Third Rail Traction system for Airport-New Garia Corridor Bidhannagar (Excl.)- Bimanbandar including New Town Depot of Metro Railway Kolkata.

  • Estimated Cost of Project: 314.65 Crores
  • Bid Security: Rs. 2 Crores
  • Period of Completion: 30 months

Project Overview:

  • The extension of Kavi Subhash to Hemanta Mukherjee new metro Line 6 and extension of Joka to Majerhat new metro Line 3 for Metro Rail Kolkata is being executed by Rail Vikas Nigam Limited (RVNL) are as detailed under: –
    • Line 6: VIP Bazaar (incl.) to Bidhan Nagar (incl.)
    • Line 3: Majerhat (excl.) to Mominpur (incl.)
  • This Section defines the Scope, objectives, guidelines and requirements for Engineering, Supply, Installation, Testing and Commissioning of 33KV Cables for incoming supply, Receiving Substations, 33KV cable ring main for Traction and Auxiliary network, Auxiliary Substations, Traction Substations, Traction electrification 750 V DC third rail system for the elevated section.
  • The works to be executed under the Contract include detailed preparation and development of Good for Construction drawings to be approved from Employer. Supply, installation, testing and commissioning including integrated testing, Technical support in taking statutory approvals, supervision of maintenance, training of Employer’s staff, preparation of Operation and Maintenance Manuals, As built drawings, Supply of Spares and tools and supply of Maintenance schedule.
  • RVNL has engaged M/s SYSTRA MVA, the Detailed Design Consultant (DDC), for the design Works associated with the Power Supply Receiving / Distribution System, 750 V dc Third Rail Traction Electrification and SCADA System.

Items of Work:

The work to be performed on the Line 6: Hemanta Mukherjee (Excl.) to Biman bandar and Line 3: Majerhat (excl.) to Mominpur (incl.) extension corridors for Metro Rail Kolkata, shall include but not be limited to:

  • Visit the corridors including depots, Stations, Receiving Substations sites & 33 kV cable routes for familiarization with the working surroundings and environment
  • Preparation and development of Good for Construction drawings to meet the operational requirements and suggest modifications if required
  • Manufacturing of equipment as per approved specifications
    Delivery of equipment at site
  • Deal and resolve in co-ordination with the Employer / Engineer the interface with other contractors to ensure timely completion of the Works;
  • Installation plan and method statements for installation works
  • Testing and commissioning including Integrated Testing and Commissioning
  • Supply, Installation, Testing and Commissioning of 33 KV HT Cables from Power Supply Authority (PSA) – West Bengal State Electricity Distribution Company Limited (“WBSEDCL”) Grid Substations (GSSs) to 33 kV Power Supply Points (PSPs) at Joka Metro passenger Station, and along the alignment of metro lines of Metro Rail Kolkata. The Contractor will thus provide support for cable termination and installation of Control & metering equipment.
  • Supervision and coordination with power supply authority (PSA) – Calcutta Electricity Supply Corporation (“CESC”) for 33 KV HT Cables from their Grid Substation to Metro’s Power Supply Points (PSPs) at Majerhat Metro passenger Substation and Hemanta Mukherjee Passenger Station and along the alignment of metro lines of Metro Rail Kolkata. The Contractor will thus provide support for cable termination and installation of Control & metering equipment.
  • Supply, Installation, Testing and Commissioning of 33KV Power Supply Points (PSPs) equipment including 33 kV ring main cables, connections, protection and metering associated with PSPs, and necessary interface with PSA (Power Supply Authority) for metering and protection at PSP and at GSS. The PSP are proposed to be installed in passenger station building combined with TSS & ASS.
  • Supply, Installation, Testing and Commissioning of 33 KV HT Cable network connecting various TSS cum ASSs,
  • Supply, Installation, Testing and Commissioning of 33 KV HT Cable network connecting various TSSs at station and Depot,
  • Supply, Installation, Testing and Commissioning of 33 KV/ 415 V Auxiliary Substation equipment at Stations and Depot.,
  • Supply, Installation, Testing and Commissioning of 33KV /750 V DC Traction Substation equipment at Stations and Depot.,
  • Supply, Installation, Testing and Commissioning of 750 V DC Cable and cable connections from TSS to Third Rail,
  • Supply, Installation, Testing and Commissioning of DC negative Cables and cable connections from running rails to TSS and rail bonds
  • Supply, Erection supervision, Testing and Commissioning of Third Rail system operating at 750 V DC for feeding power to Rolling Stock on mainlines line and depots
  • Supply, Installation, Testing and Commissioning of Stinger System operating at 750 V DC for feeding power to Rolling Stock in the Depot workshop,
  • Necessary interface with SCADA Contractor for implementation of SCADA connection at Substations and at OCC (Operation Control Centre);
  • Supply, Installation, of ETS system
  • Provision of interconnection of Earthing systems
  • Provision of all the construction drawings, documents & manuals, and as-built drawings required to supply, install, test and commission the above installations.
  • Provision of all plans and manuals in connection with these installations
  • Supply of spare parts, tools and equipment for Traction system, Power Supply, C&M Systems;
  • Supervision of maintenance
  • Providing necessary training to Employer’s staff

Bidding Documents can be downloaded free of cost from RVNL website www.rvnl.org and RVNL e-Tendering portal i.e. https://rvnl.euniwizarde.com/ from –/–/2012 and the bids can be submitted on the downloaded document.


Source: RVNL-Tender