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Hyderabad Metro to operate by 2014-end: Chief Minister
Andhra Pradesh Chief Minister N Kiran Kumar Reddy said that Hyderabad Metro rail will start operating as per schedule by December 2014. The Metro Rail work entered the crucial phase on Sunday when Kiran Kumar Reddy pressed the button and symbolically started the hydraulic cranes, which will hoist the launching girders onto the pillars.

THE EVENT was held between pillar number 18 and 19, opposite Genpact in Uppal. The actual lifting of the heavy launching girder and the viaduct segments will be undertaken only at night for safety reasons and after conducting the mandatory tests for a couple of days.

The 72-km Metro Railway line was taken up under public private partnership with an estimated cost of Rs 14,132 crore. The L&T is executing the project and it is bound to pay penalty if the work is delayed even by a day, according to a government statement.

The Chief Minister appreciated that the works are going on as per schedule and the rail is likely to be operated on trail basis from July 2014. He also unveiled a plaque and laid the foundation stone for Radial Road No 22 at the Metro Rail’s Uppal depot.

The launch ceremony was already delayed. Earlier, the Chief Minsiter had tried to set it up with Prime Minister Manmohan Singh twice, but it did not materialise as the PM’s programmes were cancelled at the last minute. The launch ceremony also coincides with Kiran Kumar Reddy’s completion of two years in office.

Hyderabad Metro Rail Limited managing director NVS Reddy said precast segmental construction (PSC) method would be used to lay the entire 72-km-long metro rail viaduct in order to minimise the usage of the road space and inconvenience to road users during construction phase.

As of now, 900 PSC segments, each 3 metres long and weighing 34 tonnes, are stacked at the precast yard at Uppal. On an average, there will be about 10 segments to cover a span of 103 ft between two pillars.

Each box-type iron girder will be 112 feet long and 300- tonne heavy. Two hydraulic cranes will be used to hoist it on top of two pillars. The viaduct segments will be mechanically lifted and slung to the girders and moved to their respective positions with the help of tackles and hanger bars. The segments will then be matched to fit into each other to check the correctness of the viaduct profile matching the road conditions and are then separated with the help of top trolleys.

Thereafter, epoxy glue is applied to the surface of the segments fitting into each other and all the segments are joined together.

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