CMRL Junior Engineer Mechanical Genaral previous paper | 55812

CMRL Junior Engineer Mechanical Genaral previous paper:

CMRL Junior Engineer Mechanical Genaral previous paper In January 2011, a ₹449.22 crore (US$63 million) contract for design and construction of track works was awarded to a joint venture of L&T and Alstom and a ₹198 crore (US$28 million) contract for supply of lifts and escalators was awarded to a joint venture of Johnson Lifts and SJEC Corporation.[29][30] In February 2011, contracts were awarded for the construction of underground sections of the first phase.The contract for power supply and overhead electrification was awarded to Siemens for ₹305 crore (US$42 million).[33] Contracts for Automatic Fare Collection (AFC), tunnel ventilation and air conditioning were awarded to Nippon Signal, Emirates Trading Agency and Voltas for ₹109.88 crore (US$15 million), ₹241.83 crore (US$34 million) and ₹196.2 crore (US$27 million).

On 7 April 2012, the Madras High Court dismissed a petition filed by the Indian National Trust for Art and Cultural Heritage challenging the demolition of a building on Anna Salai.[35] In July 2012, the first tunnel boring machine was launched and by October 2012, eleven machines were commissioned to bore tunnels along the underground stretch by three consortiums, namely Afcons-Transtonnelstroy, L&T and SUCG, Gammon India and Mosmetrostroy involved in the construction.On 6 November 2013, the test run along a stretch of 1 kilometre (0.62 mi) track was conducted.

On 14 February 2014, the maiden trial run for the metro was conducted between the Koyambedu and Ashok Nagar stations.In August 2014, the metro received the statutory speed certification clearance from the Research Design and Standards Organisation.In January 2015, a report was submitted to the Commissioner of Metro Rail Safety for approval.[43] In April 2015, the Commissioner of Metro Rail Safety inspected the rolling stock and submitted a report to the Railway Board.On 29 June 2015, commercial operations started between Alandur and Koyambedu stations. 

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CMRL Junior Engineer Mechanical Genaral previous paper


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