Hydrographical survey of pond of river Ganga including topographical survey of char land, guide banks and low banks in upstream of Farakka Barrage upto 12.50 km and at downstream upto 6.90 km of Farakka Barrage from barrage axis for the year 2022 23.

Amount

Hydrographic survey to depict river / reservoir bed profile andpreparation of maps in requisite scales to supply them in both soft and hard formats with four copies complete, including cost of manpower, labour, surveying instruments, camp equipage, transportation, etc, as per directions of engineer-in-charge

At 10 m grid interval

At 20 m grid interval

River cross section survey and preparation of maps in requisite scales to supply them in both soft and hard formats with four copies complete, including cost of manpower, labour, surveying instruments, camp equipage, ransportation, etc, as per directions of engineer-in-charge. By boat in moderate depths River span beyond 1000 m

Geodetic Survey of an area on diff erent scales and preparation of topographical maps in requisite scales to supply them in both soft and hard formats with four copies complete, including cost of manpower, labour, surveying instruments, camp equipage, transportation, etc, as per directions of engineer-in-charge. On scale of 1:1,000 with 1m contour intervals: In semi barren/barren land in flat terrain

On and Offshore Survey Engineering Pvt. Ltd.

Advance Land and Hydrography Survey India Pvt Ltd

PRECISION SURVEY CONSULTANCY