topographical survey at provn of infrastructure development mafi phase ii ins utkrosh port blair as per nit , note: the prepriced rate indicated as 0 . 00 under col . 6 and as 0 . 000 indiacted under col no 14 to 20 signifies this fact only . bidder shall insert their rates in green filed under col-6 . and other charges like taxes , ed , freight etc are shall filed in the respective col , ( a ) clearing of site by removing bushes , vegetation etc as required for conducting of topographical survey and mobilization of survey equipments all as specified and directed . ( b ) fixing the boundary of the proposed site for control of topographical survey by stones/ driving pegs at 10m interval and establishing temporary benchmark ( tbm ) as datum required for preparing contour plan all as specified and directed amd conducting topographical survey and preparation of layout of proposed land at the scale of 1:100 with total station , required software etc indicating the spot level at 5m interval and plotting the contour at 1 . 00m interval and bringing out the topographical features such as roads , river/nallah , existing structure etc . preparation and submission of all drawing in 4 sets alongwith soft copy complete all as specified and directed ( approx . area : ( 3000 . 00 sqm ) )