First base slab cast in BKC’s underground bullet train station
BKC's underground bullet train station will have road and metro connectivity.
2 min read
The longest bridge in the entire course of the 508 kilometres is the 2.4-kilometer bridge over Vaitarna river in Maharashtra (Representational Photo)The first concrete base slab of the Mumbai underground bullet train station was cast on November 30, 2024, at a depth of about 32 metres from the ground level, which is equivalent to a 10-storey building. The station is being built using the bottom-up method, which means that excavation work has commenced from the ground level and the concrete work has started from the foundation.
This slab is 3.5-meter-deep, measures about 30 meters in length and 20 meters in width. This is first of the 69 slabs that will be cast for the station that will form the deepest construction level for the bullet train station.
High-grade reinforced steel, 6200 rebar couplers, and 2254 cubic metres of M60 grade concrete along with 4283 MT( metric tonne) of aggregate concrete are being used for casting of the slab.
Concrete pouring was temperature-controlled to below 25° Celsius, through in-situ ice and chiller plants. Sufficient waterproofing measures have been ensured before casting the slab.
Mumbai‘s bullet train station, located at Bandra Kurla Complex, is the only underground station on the Mumbai-Ahmedabad high-speed rail corridor.
Platform 24 metres from ground level
The platform is planned at a depth of about 24 metres from the ground level. There will be three floors including a platform, concourse, and service floor.
Excavation is being done till a depth of 32 meters from the ground level. The station will have six platforms and the length of each platform is approximately 415 m (sufficient to accommodate a 16-coach bullet train).
The station will have road and metro connectivity. Two entry/exit points are planned at the station — one to facilitate access to the nearby metro station and the other towards the MTNL building. The station has been planned in a way to afford passenger movement across the concourse and platform level.
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