Kolkata Metro Replaces Steel Third Rail with Aluminium for Energy Efficiency
RAILWAYS & METRO RAIL

Kolkata Metro Replaces Steel Third Rail with Aluminium for Energy Efficiency

The Kolkata Metro has successfully replaced the steel third rail with an aluminium counterpart at the Girish Park siding along the Dakshineswar-New Garia corridor. This third rail powers Metro trains, and the switch to aluminium promises a significant improvement in energy efficiency.

In a statement on Sunday, Metro Railway announced the completion of a 200-meter rail replacement on Saturday night. The new aluminium third rail is expected to reduce system voltage drops, resulting in less energy loss and faster train acceleration.

Metro Railway has set a two-year timeline for the full replacement of third rails, targeting an 84% reduction in energy loss—saving Rs one crore per year for each kilometer of track.

The Kolkata Metro has successfully replaced the steel third rail with an aluminium counterpart at the Girish Park siding along the Dakshineswar-New Garia corridor. This third rail powers Metro trains, and the switch to aluminium promises a significant improvement in energy efficiency. In a statement on Sunday, Metro Railway announced the completion of a 200-meter rail replacement on Saturday night. The new aluminium third rail is expected to reduce system voltage drops, resulting in less energy loss and faster train acceleration. Metro Railway has set a two-year timeline for the full replacement of third rails, targeting an 84% reduction in energy loss—saving Rs one crore per year for each kilometer of track.

Next Story
Resources

Ajmera Realty launches tree drive on Environment Day

Ajmera Realty & Infra India marked World Environment Day with a large-scale tree plantation initiative—Plant-with-Purpose—across its projects in Mumbai and Bangalore. The drive was inaugurated at Ajmera Manhattan and Ajmera Greenfinity in Wadala, with senior company officials and residents in attendance. The campaign encourages residents to embrace eco-conscious, self-reliant lifestyles by growing useful plants and trees within their communities. Horticulture expert Devendra Bhekar guided residents on creating and maintaining green spaces. Ajmera Realty planted over 500 trees..

Next Story
Resources

Twaron®-reinforced tyre powers Brunel’s solar race car

Teijin Aramid’s Twaron® with circular content will debut in Bridgestone’s race tyres for the 2025 Bridgestone World Solar Challenge, supporting the Brunel Solar Team’s Nuna 13 car. This marks the first use of the recycled-content aramid in a high-performance race tyre. The Twaron®-reinforced belts help enhance durability, reduce rolling resistance, and maintain lightweight strength—critical for the 3,000-km solar race across Australia. Bridgestone combines this with ENLITENTM tech and other recycled inputs to maximise environmental and performance outcomes. Teijin Aramid, a..

Next Story
Building Material

Kamdhenu Paints launches new wood coating range

Kamdhenu Paints has launched a comprehensive premium wood coating range designed for both interior and exterior applications. The collection includes high-performance solutions like Kamwood 2K PU for a rich matt or high-gloss finish, Kamwood 1K PU for clarity and stain protection, and the Kamwood Melamyne system for a smooth, durable finish. Also featured are Kamwood Wood Stains, which enhance wood grains with vibrant colour, and NC Sanding Sealer for high-build grain filling. The range is supported by Kamwood Thinners for ease of application and optimal finish. Saurabh Agarwal, MD, ..

Advertisement

Advertisement

Subscribe to Our Newsletter

Get daily newsletters around different themes from Construction world.

STAY CONNECTED

Advertisement

Advertisement

Advertisement

Advertisement

Talk to us?