conducting a uas ( drone) based visual inspection of br. no. 7db of span 4x30.5m +14x121.0m and br. no. 200a of span 2x12.19m + 28x45.72m of danapur division in eastcentral railway for the whole length of the bridge by capturing high resolution video andimages by covering the bridge structures such as foundation , abutments , piers, girders,choeds,bearings,bottom trough,joints,rail,concrete structure etc. and development oforthophoto and 3d model for analysis and preparation of visual inspection
