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.