Kochi Metro Rail Ltd. (KMRL) has invited online open e-tenders for the work of Supply, Installation, Testing and Commissioning of Ballastless Track work of Standard Gauge, from Petta Station (excluding) to Thripunithura Terminal Station (inclusive) of the Elevated Section of Phase I Extension of Kochi Metro Rail Project (from Chainage 25172.041m to 28125.000m).
- Tender Reference Number: KMRL/PRJ/GMP/439/TEN-08-2020
- Approximate cost of work: INR 28.67 crores
- Tender Security: INR 28.67 Lakhs
- Completion period of the Work: 18 Months
- Tender submission start date: 11.09.2020
- Tender submission end date: 18.09.2020
- Date of opening of Tender online: 21.09.2020
- Pre-bid Meeting: 28.08.2020
- Place of pre-bid meeting: Kochi Metro Rail Limited 4th Floor, JLN stadium Metro Station, Kaloor, Kochi, Kerala-682017
Scope of work:
- This specification establishes the requirements for the installation, testing and commissioning of BLT (SG from PETTA (exclusive of station) to TRIPUNITHURA (Inclusive of stations) of Phase 1 extension of Kochi Metro Rail Project on Viaduct. The details of curves, turnouts, scissors cross over, gradients, etc. have been shown in alignment drawings, the exact locations and details of which shall be interfaced by the contractor with designated civil contractors.
- For welding of Rails, the bidder /JV Partner/ Consortium shall have MOU with RDSO approved Flash Butt Welding Plant & Alumino Thermit welds for HH Rails, to carrying out welding work for the project.
- The contractor shall be required to interface closely with the various Detailed Design Consultants and the designated civil/structural and system contractors appointed 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.
- Provision of shear connector, wherever required, between 1st pour and 2nd pour reinforced concrete for ballastless track.
- Testing of components and installation methods
- The scope of work for the contract is further described in the Employer’s requirements.
- The work area for this contract has been demarcated at two/three locations in vicinity of proposed Corridor. The contractor shall have to interface with designated civil contractors for the same.
Vertical Alignment:
Points and Crossing:-
No change of grade shall be permitted on points and crossing. There will be no change of super elevation between points 18 metres outside toe & switch rail and nose of crossing respectively.
Continuous Welded Rail:-
- Long welded rail strings shall be joined to form continuous welded rails and finally fastened so that the zero thermal stress temperature lies within the following range of rail temperature values:
- Surface (ballastless) : 35 to 41 degree C
- Mean rail temperature (in open) = 33 deg C
- Max rail temperature (in open) = 70 deg C
Schedule Of Dimension
The contractor shall ensure that no permanent structure is within the structure gauge profile and the material & installation of track work shall comply with the provisions of Schedule of Dimensions and any change to Schedule of Dimensions shall be advised specifically to the contractor. The schedule of dimension shall be supplied to Contractor by the Engineer
Authority for seeking clarifications on tender documents: General Manager (Projects) Kochi Metro Rail Limited 4th Floor, JLN stadium Metro Station, Kaloor, Kochi, Kerala-682017.
Tender Documents and any additional information can be downloaded from website http://etenders.kerala.gov.in.
Source: KMRL-Tender
