Mumbai: The first concrete base slab of the Mumbai Bullet Train station has been cast, on 30th November 2024 at a depth of about 32 metres from the ground level, which is equivalent to a 10-storey building, the National High Speed Rail Corporation Ltd (NHSRCL) announced today.

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 is cast for the station, which will form the deepest construction level for the Bullet Train station.

This slab features the reinforcement of 681 MT of high-grade steel and includes 6200 rebar couplers. Additionally, the slab incorporates 2254 cubic meters of M60 grade concrete and 4283 MT of aggregates.

Concrete is being supplied through two in-situ batching plants of the capacity 120 m3 capacity each. Concrete pouring was temperature controlled to keep pouring temperature below 25 Degree Celsius, through in-situ ice and chiller plants.

Sufficient waterproofing measures have been ensured before casting the slab. DeshGujarat