Delhi Metro Update: Tender invited for supply and installation of various electrification works for underground corridors of Line-8 & elevated corridors of Line-10 of Phase-IV

Delhi Metro Rail Corporation Ltd. (DMRC) has invited open e-tenders from eligible applicants, who fulfil qualification criteria for Design, detail engineering, manufacturing, supply, installation, testing & commissioning of 25KV AC Traction (RIGID OHE), 33KV Auxiliary Sub Stations (ASS), associated cabling and SCADA systems for underground corridors of Line-8 ext. and underground & elevated corridors of Line-10 of Delhi Metro MRTS Phase-IV.

  • Tender Reference Number: DE-08
  • Name of Work: Design, detail engineering, manufacturing, supply, installation, testing & commissioning of 25KV AC Traction (RIGID OHE), 33KV Auxiliary Sub Stations (ASS), associated cabling and SCADA systems for underground corridors of Line-8 ext. and underground & elevated corridors of Line-10 of Delhi Metro MRTS Phase-IV.
  • EMD: INR 3,59,51,000 Crore
  • Completion Period: 36 Month
  • Document Download / Sale Start Date: 28th April, 2023
  • Document Download / Sale End Date: 15th June, 2023
  • Pre Bid Meeting Date: 19th May, 2023
  • Bid Submission Start Date: 08th June, 2023
  • Bid Submission End Date: 15th June, 2023
  • Tender Opening Date: 16th June, 2023


  • The item description is intended to briefly describe the work to be performed under that  item and to identify associated work. It is not a full and complete description of the work to be performed. The Contractor shall carry out all the work necessary to meet the requirements of the Specifications.
  • The Tender’s attention is drawn to the General Conditions (GC), Particular Conditions  (PC), Employer’s Requirements (General specifications and Particular specifications) and Tender Drawings, which are to be read in conjunction with the Bill of Quantities. This Preamble shall serve as a definitive guide to the measurement of quantities and payment.  The Tenderer should quote the rates considering that this contract is on Turnkey basis.
  • This Contract is a re-measurement Contract for “Design, Detail Engineering, Manufacture, Supply, Installation, Testing and Commissioning of 25KV AC Traction (RIGID OHE), 33KV Auxiliary Sub Stations (ASS), Associated Cabling and SCADA Systems for Underground Corridors of Line-8 Ext. & Underground and Elevated corridor of Line-10 of Delhi Mass Rapid Transport System Project Phase-IV”.

Scope of Work:

  • Detailed design and detailed engineering, design verification, supply, installation, testing (including integrated testing and commissioning), technical support, supervision of maintenance, training of Employer’s staff, Supply of Spares, Tools and documentation for a complete System, necessary to deliver the requirements of this Specification.
  • The construction studies and drawings, design, verification of site data, drawings, programs for execution, schedule of ordering, schedule of receipt.
  • The procurement of the whole equipment including spare parts, tools, special tools, manufacturer’s recommended tools and testing equipment. The procurement of the whole equipment including spare parts as per the Spare policy,
  • The on-site erection and setting of electrical fixed installations and technical buildings described in relevant Basic Design documents,
  • The in-plant testing, and acceptance tests,
  • Inspection and Maintenance of Installed plant and equipment during specified period.
  • Deployment of necessary manpower for portals engaged under phase-IV of MRTS project such as Vendor Payment Portal (VPP), System for Tracking And Monitoring of Projects (STAMP), Building Information Modelling (BIM);
    • Transfer of technology 
    • The on-site testing, 
    • The commissioning of installation, and acceptance protocols, 
    • Deployment of maintenance staff during DLP 
    • The supply of relevant documentation mainly including: 
    • Design documents, calculations, drawings, 
    • Installation, execution, and as-built drawings, 
    • Test procedures, 
    • Maintenance operation manuals; the contractor is required to submit soft copies of all the documents,
    • The on-site training sessions.
  • The work shall include all activities to make the units fully functional and to meet the requirements of power supply arrangement. Any other items of work as may be required to be carried out for completing the work under this contract in all respects in accordance with the provisions of contract and/or to ensure the safety of installation during and after execution.

The Bidder should clearly identify how following major activities, covered in the scope of work, are proposed to be executed:

  • Development of Definitive Design and Detail Engineering as per Scope of Contract 
  • Procurement of major equipment for 25 kV Rigid OHE System in Underground Tunnels and 33 kV Auxiliary Sub Stations at Underground & elevated Stations
  • Installation, Testing and Commissioning of Rigid OHE and ASS equipment as in (ii) above 
  • SCADA System and its Interface with other system wide contractors 
  • 33kV cabling required for ASS work 
  • 33 kV Gas Insulated Switchgears (GIS). 
  • 25kV & 3.3kV cabling required for 25kV Supply 
  • 25 kV Gas Insulated Switchgears (GIS), Interrupter, isolators, circuit Breaker and Load Break Switches etc. 
  • Transition arrangement of 25 kV Rigid OHE to 25 kV flexible OHE in ramp portion
  • Earthing system (based upon simulation study). 
  • Tunnel earth wire (TEW) and other earthing conductor & accessories. 
  • Thermite /Exothermic welds in track for connection of cables for return current continuity and for earthing of equipment. 
  • Simulation Study for EMI / EMC and calculation of voltage induced in different services. 
  • Validation (Auditing) of design & installation of ROCS through Independent Agency. 
  • Interlinking works with other Lines
  • Retractable Catenary works
  • Masts or Portal required for Mounting Overhead Equipment
  • The above works include all other works required to make each system fully functional in all respects.


Financial Performance:

  • The audited balance sheets or, if not required by the law of the Bidder’s country, other financial statements acceptable to the Employer, for the last 05 (i) financial years shall be submitted and must demonstrate the current soundness of the Bidder’s financial position and its prospective long term profitability.
  • As the minimum requirement, a Bidder’s net worth calculated as the difference between total assets and total liabilities should be positive.

Average Annual Turnover:

  • Minimum average annual turnover of INR 1.80 Billion, calculated as total certified payments received for Contracts in progress and/or completed, within the last 05(i) years divided by 05 years.

Specific Experience:

  • A minimum number of similar (ii) contracts that have been satisfactorily and substantially (iii) completed as a prime contractor (single entity or JV member) (iv), or Subcontractor, between 1st January 2016 and the Bid submission deadline as follows:
    • At least One “similar work” of value of INR 2.88 Billion or more, or
    • Two “similar works” each of value of INR 1.80 Billion or more, or
    • Three “similar works” each of value of INR 1.44 Billion or more.
  • “Similar works” for this contract shall be the work of Supply Installation Testing & Commissioning of 1.5kV or above Rigid OHE and/or 25 kV Flexible OHE System, and
  • Supply, Installation, Testing and commissioning of 33kV or above Substation and/or 25kV or above Traction/switching Substation.
  • The above works may or may not include Design, Detail Engineering & SCADA system in Scope of work.

Tender document can only be obtained after registration of tenderer on the website

Source: DMRC- Tender | Image Credit (representational): DMRC