bids are invited for soil investigatigation soil investigation by boring 4 inch dia bore holes 6 mtr depth or refusal whichever is earlier in case of bouldery comma gravelly strata and performing standard penetration test at 0.75m interval , soil investigation by boring 4 inch dia bore holes 10 mtr depth or refusal whichever is earlier in case of bouldery gravelly strata and performing standard penetration test 0.75m interval , carrying out detailed contour topographical survey plan comma marking bore hole location and all existing features , supplying of cd and five sets of drawing of appropriate size preferably a0 size complete all as per terms and condition , earth work calculation quantity for item no 03 above. note all work done as per brief specification of item of work. total quantity : 166