The almost-century old bridges both foot and road are posing a challenge for the authorities at Central Railway (CR).
<img title="The Currey Road Bridge on the Central line connects N M Joshi Marg with Lalbaug. Pic/Datta Kumbhar" src="http://images.mid-day.com/images/images/2014/jun/Currey-Road-Bridge_2.jpg" alt="The Currey Road Bridge on the Central line connects N M Joshi Marg with Lalbaug. Pic/Datta Kumbhar" /> The Currey Road Bridge on the Central line connects N M Joshi Marg with Lalbaug. Pic/Datta Kumbhar
On March 25, they inspected four locations, Kasaiwada foot over bridge (FOB) at Kurla, Matunga station&rsquo;s FOB, the road over bridge (ROB) at Currey Road and Hancock Bridge near Sandhurst Road, where either the height of bridge has to be raised or the tracks running below have to be lowered.
The reason for this inspection is due to the ongoing power upgradation of lines that feed the trains running on the Central line.
The upgradation, from 1,500-volt DC to 25,000-volt AC, will require a buffer space of at least 21 centimetres between the train&rsquo;s roof and the base of bridges, according to Atul Rane, chief PRO, Central Railway.
High power decision The power conversion also means that the flow of electricity in the running trains will be 17 times more potent, and even lethal for rooftop travellers.
While the overhead wires are currently able to go under the bridges, with the higher charge, officials have to ensure that there is more space between train rooftops and bases of bridges, even after double insulation.
Recently, during a high-level meeting of the railway board, members were given June as the deadline, before the monsoon begins, for completing the power upgradation work.

Authorities at Central Railway have inspected four locations where the bridge is too low for the power conversion that is expected to be carried out before monsoons

Why these Mumbai bridges are Central Railway's nightmare

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Why these Mumbai bridges are Central Railway's nightmare

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