Chennai Metro Advances Infrastructure Enhancement with Tender Initiation for Electrical Utility Works at Stations

Chennai Metro Rail Limited (CMRL) has set the wheels in motion for significant upgrades, inviting digitally signed open e-tender for Design, validation, supply, installation, testing and commissioning of electrical utility works at identified PD retail & Kiosk spaces at CMRL Phase-1 & Phase-1 extension stations.

Brief about Tender Submission:

Name of Work: Design, validation, supply, installation, testing and commissioning of electrical utility works at identified PD retail & Kiosk spaces across CMRL Phase-1 & Phase-1 extension stations.

The Tender Number is (CMRL/BD/E&M/ELE-01/2023) for the above work. The EMD amount for this tender is INR 11 Lakh, and the Contract Period for the same is 365 Days.

Prospective bidders can download the tender document starting from 22nd December, 2023 whereas the submissions are open from 16th January, 2024 and the last date for the submission is 22nd January, 2024. The Pre Bid Meeting is scheduled to be held on 28th December, 2023 whereas the tender will open on 23rd January, 2024.

Scope of Works:

  • The detailed scope of works includes the following parts of work but not limited to:
    • Design Validation Including ‘Good for Construction’ Submission
    • Material Submittals & Approval
    • Factory Acceptance Test
    • Supply Of Materials, Installation, Testing and Commissioning
    • Handing Over
    • Operation And Maintenance Documentation
    • Assistance For Maintenance
    • Maintenance During Defects Liability Period
    • Operating Instruction & Maintenance Manual
    • On Site Training
    • Uptime Guarantee

Design Validation including ‘Good for Construction’ Submission:

The primary focus of this phase is to validate the proposed design against the available technical drawings and Bill of Quantity and ensure that it complies with project requirements, standards, and regulations, thereby preparing it for construction, testing, and commissioning.

The primary objectives of this design validation and GFC submission scope are as follows:

  • Validate the completeness and accuracy of the design against the available technical drawings.
  • If changes anything found to be brought to the notice of CMRL and accordingly CAD drawings to be modified and shall submit it to PMC and CMRL.
  • Changes/Variation in the BOQ shall be recorded and its report shall be submitted to CMRL for approval.
  • Ensure that the design complies with all applicable codes, standards, and regulations.
  • Confirm that the equipment and systems meet the project’s functional and performance requirements.
  • Prepare a comprehensive “Good for Construction” submission package that can be used for the supply, installation, testing, and commissioning activities.

The installation phase will encompass the following activities:

  • Site Survey and Assessment to determine the optimal placement of LT power equipment while considering the station’s layout and safety requirements.
  • Mounting, assembly, and installation of Adopter box, LT distribution panels, cables and associated equipment in a manner that minimises disruption to fixed structures, and station operations.
  • Cable laying, termination, and routing to ensure efficient power distribution to all PD areas of the station.
  • During cable laying, Coordination with the interface department shall be ensured and not to affect the existing power supply feeding to telecom, signalling and AFC equipment.
  • Proper connection of equipment to the station’s existing power supply and load points.
  • Adequate labelling, signage, and safety measures for the safety of passengers and station staff.

Upon successful testing and inspection, the LT power installation shall be commissioned, and this phase will include:

  • Verification of proper equipment operation and load distribution, considering peak and off- peak periods.
  • Functional testing of all protective devices and control systems, including remote monitoring and control if applicable.
  • Fine-tuning of the system for optimal performance and energy efficiency.
  • Operator training to ensure station personnel can operate and maintain the LT power installation safely and efficiently.
  • Handover of all relevant documentation, including as-built drawings, operation and maintenance manuals, and test reports.

Scope of material submittals and approval for the Electrical project includes, but is not limited to, the following activities:

Contractors and suppliers prepare detailed submittal packages for all materials and equipment to be used in the project, in accordance with the design validation and GFC documentation. Review each material submitted against the validated design and GFC documentation, ensuring that they match the specified requirements, including technical specifications, quality standards, and quantities.

Ensure that the submitted materials and equipment comply with relevant codes, standards, and regulations, such as Electrical industry standards, safety codes, and environmental regulations. Confirm that the materials and equipment proposed in the submittals are suitable for their intended functions and are in alignment with the functional requirements of the Electrical system as per the project specifications.

A detailed material submittal in a prescribed format shall be submitted to CMRL for approval. Maintain accurate records of all material submittals, their review status, and approval or disapproval decisions. In cases where a submittal does not meet the required standards, provide clear feedback/comments to the contractor or supplier, allowing them to address deficiencies and resubmit for CMRL approval.

Factory Acceptance Test:

Upon CMRL approval, the Contractor shall proceed with the procurement of all approved materials and equipment and shall arrange for Factory Acceptance Test. The FAT shall demonstrate that each equipment and subsystem meet its performance specification as per technical material submittal in accordance with the contractor design based on performance, functional and technical requirements detailed in this specification The FAT plan shall be submitted incorporating following details at least 28 days prior to FAT.

  • The plan shall adopt a top-down approach and describe the FAT strategy as regards to methodology procedures to be followed and records to be submitted. The Contractor shall submit the comprehensive list of specifications and standards to be followed.
  • Factory visit shall be arranged by the contractor for all material & equipment based on the request from Engineer/ Employer, the total expenses for the above to be borne by contractor subject to maximum of 4 representatives of CMRL and their consultants.
  • The FAT shall be arranged for every lot of material and equipment with no additional cost to the Employer. CMRL decision on lots shall be final and which equipment FAT is required and Whether to witness FAT is CMRL decision. Contractor to take this into account while quoting.
  • Test plan includes date of testing, manufacturer / test location, testing and inspection items / equipment.
  • Internal FAT report should be submitted to the employer/Engineer.
  • The valid calibration & Test certificates for the entire test equipment used for testing should be shown during FAT.
  • The Employer / Engineer shall witness the FAT. The arrangements for witnessing the FAT shall be made by the contractor.


Minimum average annual turnover of INR 3.30 Cr, calculated as total certified payments received for contracts in progress and/ or Completed since 01/01/2018 up to 31/03/2023.


Experience in “Design, Manufacturing, Supply, Installation, Testing and Commissioning of Electrical system like LT Panel & switch Gears/LT cables/ Earthing and lightning devices” for Metros / Airport / All large commercial Buildings excluding residential building / Railways during the last 07 (Seven) years including the current year, each of minimum value indicated below shall be considered A minimum number of:

  • One work of value INR 8.80 Crore or above, or
  • Two work of value INR 5.50 Crore or above, or
  • Three works of value INR 4.40 Crore or above.

The complete documents can be downloaded from

This initiative signifies Chennai Metro’s commitment to modernising infrastructure, enhancing passenger experiences, and fostering sustainable urban development.

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

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