Sunday, December 4th, 2022 14:15:51

Ground and  aerial survey of Delhi – Varanasi High Speed Rail Corridor begins

Updated: January 11, 2021 12:38 pm
The aerial ground survey for Delhi – Varanasi High Speed Rail Corridor began from Greater Noida yesterday. Railway Ministry said, a helicopter fitted with state of art Aerial LiDAR and imagery sensors took the first flight and captured the data related to ground survey. The Ministry said, LiDAR technology provides all the ground details and data in 3 to 4 months wherein this process normally takes 10 to 12 months.

The ground survey is a crucial activity for any linear infrastructure project as the survey provides accurate details of areas around the alignment. This technique uses a combination of Laser data, GPS data, flight parameters and actual photographs to give accurate survey data.

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