Mumbai: The Mumbai Metro Rail Corporation (MMRC) opened two key contracts for the electrical system works of 25 kV Traction and Power supply system for Colaba-Bandra-Seepz Metro III project after obtaining clearance from JICA on Wednesday. L&T was lowest bidder, therefore M/s Larsen & Toubro Limited’ has been awarded the work as per procurement norms.
Ashwini Bhide, Managing Director (MD), MMRC said, “Traction & Power supply works is a critical component of Metro 3 implementation. We aim to implement robust and technologically advanced Traction & power supply system for Metro Line III and complete the works in time so that Line III project can be completed within stipulated timelines.”
MMRC designed the work in two packages to achieve faster execution of the project. The works consists of setting up three Receiving sub-stations (RSS), laying Overhead Rigid conductor system in Underground tunnel alignment of 33.5 km route length and other considering works.
A traction substation or traction current converter plant is an electrical substation that converts electric power from the form provided by the electrical power industry for public utility service to an appropriate voltage. 25Kv is the universally accepted voltage standard for an Over Head Equipment (OHE).
Meanwhile, of the 17 TBMs (Tunnel Boring Machines) which are used for the tunnelling of the underground Metro, five have been commissioned and two machines are lowered down.
According to current updates received from the MMRC, tunnelling of twin tunnels at Nayanagar site, Mahim has reached 122 and 128 meters respectively while the one at Azad Maidan has finished 100 meters.