Maha Metro invites tender for supply of Standard Gauge Ballastless Track for Elevated and Underground section of Reach-3 & 4

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The Maharashtra Metro Rail Corporation Limited (MAHA-METRO) has invited tenders for the Design, Supply, Installation, Testing and Commissioning of Standard Gauge Ballastless Track for the Elevated Section of Reach-3 (Civil Court to Ramwadi) and Underground Section of Reach-4 (Range Hill to Swargate) of Pune Metro Rail Project.

  • Maha-Metro/PMRPTender No: P1-T06/2021 
  • Name of work: Design, Supply, Installation, Testing and Commissioning of Standard Gauge Ballastless Track for the Elevated Section of Reach-3 (Civil Court to Ramwadi) and Underground Section of Reach-4 (Range Hill to Swargate) of Pune Metro Rail Project
  • Completion Period: 15 Months
  • Tender Document Download Start Date: 27.11.2021
  • Tender Document Download Last Date: 18.01.2022
  • Tender Opening Start Date: 18.01.2022
  • Pre-Bid Meeting Start Date: 15.12.2021

Overview of the Project:

General:

This chapter gives an overview of the Project and the information provided in this chapter is for reference only.

  • Reach-3, East-West Corridor-2 (Civil Court to Ramwadi) Sections of Elevated Ballastless Track of Pune Metro Rail Project.Reach-4, North-South Corridor-1  (Range Hill to Swargate) Sections of Underground Ballastless Track of Pune Metro Rail Project.
  • There are total 7 Elevated Stations in Reach-3and 5 Underground Stations in Reach-4i.e. Total 13stations. 
  • 25 KV AC overhead traction system with Cab Signalling and Automatic Train Protection (ATP) / ATO will be provided on Standard Gauge.

Scope of Work: 

  • This specification establishes the requirements for the Design, Supply, Installation, Testing and Commissioning of Standard Gauge Ballastless Track for the Elevated Section of Reach-3 (Civil Court to Ramwadi) and Underground Section of Reach-4 (Range Hill to Swargate) of Pune Metro Rail Project. The details of curves, turnouts, gradients, etc. have been shown in alignment drawings, the exact locations and details of which shall be interfaced by the contractor with designated Civil and System contractors.
  • The work area will be made available for offsite activity to the contractor free of cost at Range Hill Depot of Pune City as per availability. Otherwise, any other locations along the alignment of Corridor for offsite activities will be arranged by contractor at his own cost. 
  • If any area is available with Maharashtra Metro Rail Corporation Limited, the same will be provided to the contractor at nominal cost as decided by Maha-Metro.
  • The Contractor shall arrange his own mobile flash butt welding plant.
  • The contractor shall be required to interface closely with the various Detailed Design Consultants and the designated civil/structural and system contractors of Pune Metro Rail Project appointed by the Employer for the purpose of executing this Contract.

Mainline and Ramp: [Reach-3 and Reach-4]:

  • Rails, turnouts and fastenings system shall be supplied by the Employer. The contractor will make arrangements for mechanised handling and transportation of  all materials (including the materials supplied by the Employer) to the site of work.
  • The designs shall comply with Procedure for Safety Certification and Technical Clearance of Metro Systems (December 2015) on Metro Railways/MRTS system issued by M.O.R, Govt. of India unless instructed by Employer. 
  • Design of plinth/slab for main line and turnouts Trackstructure on viaduct with and without MSS.
  • The Track Structure and the fastening used shall be designed as to minimise the noise and vibration generated by the moving train on the Track. The contractor shall interface with the concerned designated contractors, particularly the Rolling stock supplier, limit vehicle included noise and ground-borne vibration in structures in the  vicinity of Railway alignment to acceptable level, as per legal and statuary  requirement of India. 
  • The Contractor shall spell out the codal, legal and statuary provisions in this regard and justify that his design and proposal are in conformity with stipulations.
  • Special noise and vibration mitigation measures (Mass Spring System) will be taken at selected locations in elevated sections as instructed by Employer.
  • Setting-out final alignment.
  • Welding of UIC 60 IRS-T-12-2009 UIC 60, 1080 grade head hardened rails using the specified welding techniques.
  • Provisions of shear connector, wherever required, between 1st pour and 2nd pour reinforced concrete for Ballastless Track.
  • Laying of BallastlessplainTrackon reinforced concrete plinth/RCC slab and Ballastless turnouts on RCC slab, installing Track fastener system, turn-outs, derailing switches, buffer stops, check rails etc. to the stipulated tolerances on the running lines.
  • Testing of components and installation methods.
  • The Contractor shall carry out Reliability, Availability, Maintainability & Safety  (RAMS) Study for Trackwork taking into account design of Track Plinths, Rails, Turnouts, Fastening System, Weldings, Check rails etc. The Ballast less Track shall be designed and constructed to meet the following RAMS targets during O&M Phase:
    • Reliability: The equipment being continuously in operation and shall achieve MTBSAF (Mean Time Between Service Affecting Failures) of no less than 5000 hours between any failures affecting the revenue train service.
    • Availability: The equipment  being continuously in use and achieving a  minimum operating availability of 99.98%.
    • Maintainability: The maintainability measure for the Track system shall be Mean Time To Restore (MTTR) and shall not be greater than 30 mins.
    • Safety: The system shall provide the safe operation of rain movements. The  SIL 4 shall be maintained. Hazardous events shall not occur with a greater frequency than 1 in 104 years (as per latest version ofIEC 61508-1).

Documents can be downloaded from Maha Metro’s e-tender Portal https://mahametrorail.etenders.in.


Source: Maha Metro-Tender | Image Credit (representational): HMRL

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