Chennai Metro Rail Limited(CMRL) on Wednesday awarded two contracts worth 773.28 crore to install substations, software and hardware to monitor power supply and overhead equipment for supply of power for train operations to Larsen & Toubro Limited.
The contracts are for a 52km stretch from Madhavaram Milk Colony to Sholinganallur on corridor-3 and from Madhavaram Milk Colony to CMBT on corridor-5 funded by JICA. The 118.1km phase-2 is likely to be ready in stages between 2026 to 2028.
“The overall design of the electrical system is centred on supplying safe, dependable, and stable electricity, as well as efficient electrical system performance to provide uninterrupted services,” a release said.
It said one of the contracts worth 533.87 crore will involve the design, manufacture, supply, installation, testing, training and commissioning of receiving substation (RSS), auxiliary substation (ASS) and supervisory control and data acquisition (SCADA) systems for the stretch. The contract includes 29 underground stations and 10 elevated stations on corridor-3 and six underground stations and 11 elevated stations on corridor-5 and the depot at Madhavaram.
Officials said the second contract worth 239.41 crore was to design, manufacture, supply, install, test, train and commission overhead equipment (OHE) and switching stations for the stretch. The OHE will be installed for a length of around 35km on corridor-3 and 16.16km on corridor-5 and a 21km track length in Madhavaram depot.