NHSRC began LiDAR Survey for Mumbai-Nagpur High-Speed Rail Corridor

LiDAR survey (Light Detection and Ranging) is a technique in which laser enabled equipment is mounted on a helicopter

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MUMBAI: Aerial LiDAR survey has commenced on Mumbai-Nagpur High-Speed Rail Corridor by Secon-Helica JV to prepare the final alignment as Detailed Project Report (DPR) for the corridor.

In January 2021, National High-Speed Rail Corporation Limited (NHSRCL) awarded this contract to Secon-Helica JV with a completion period of 150 days and a cost of INR 14.25 crores.

LiDAR survey (Light Detection and Ranging) is a technique in which laser-enabled equipment is mounted on a helicopter or plane to carry out the ground survey. This technology gives accurate survey data and findings in less time.

According to NHSRC spokesperson, “We are adopting LiDAR technology which provides all the ground details and data in 3-4 months. Wherein this process normally takes 10-12 months”

NHSRC spokesperson also stated that “During the aerial LiDAR survey, 150m of the area around the proposed alignment is being captured for the survey purpose. After the collection of data, three dimensional (3D) topographical maps of the corridor of the proposed alignment on a scale of 1:2500 will be available for designing the vertical and horizontal alignment, structures, location of the stations and depots, land requirement for the corridor, identification of project affected plots/structures, right of way, etc.”

Mumbai-Nagpur High Speed Rail project is a proposed 741 km high speed railway line connecting Mumbai with Nagpur through 12 stations in Maharashtra. The proposed stations are Shahapur, Igatputi, Nashik, Shirdi, Aurangabad, Jalna, Mehkar, Malegaon Jahangir, Karanja Lad, Pulgaon, Wardha and Nagpur.

Similar LiDAR survey has already started for 865 km long Delhi-Varanasi Bullet Train Project in January 2021 and recently, NHSRCL has received bids from 6 firms for Aerial LiDAR survey on Varanasi-Howrah High-Speed Rail Corridor.

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