SURVEY AND SOIL INVESTIGATION FOR CONSTRUCTION OF INFRASTRUCTURE FOR MAFI PHASE II AT AF STN CARNICOBAR

Amount

Soil investigation by SPT / other field tests, comprising of following operations as under: - (i) Mobilisation of drilling accessories and manpower at site, shifting of rig / manpower from one location to another and remobilisation of the same after completion of the entire work. (ii) Carrying out Soil Investigation by drilling bore holes (100 mm dia in soil and 75 mm dia ( N x Size) in rocks) & Trial Pit (1.2x1.2x3m) and collecting disturbed/ undisturbed soil samples/ rocks cores from different location for carrying out relevant laboratory test all as directed by Engineer-in-Charge and conducting the following laboratory test as per latest relevant IS codes. (a) Standard Penetration test (SPT). (b) Natural Moisture Content. (c) Atterberg Limit test (d) Grain Size analysis (e) Field dry density test. (f) Specific gravity (g) SPT at 1 mtr interval or at change of stratum (h) Chemical Analysis of Soil / Water. (j) Unconfined Compressive Strength test (k) Water absorption test (l) Density of rock cores bore log of each bore hole. (m) Direct Shear Test (n) Tri-axail Shear test

(iii) Compilation of field and lab test results (iv) Submission of soil investigation report incorporating type of soil in pressure bulb zone, highest water table, detailed calculation of SBC and recommended SBC at particular depths of 1.5m, 2m and 3m considering effect of water table, type of foundation recommended etc., in quintiplicate complete for upto 10m depth No of Bore holes PS-1 Bldg. 1 + 1 (Trail Pit) PS-2 Bldg. 1 + 1 (Trail Pit) Base Ops Bldg. 1 + 1 (Trail Pit) Note: The contractor shall submit video graphic and photo graphic record in 05 Nos CD along with 05 Copies of ink signed soil investigation report for visual description of soil samples and transverse section profiles of substrata to be submitted.

Interstellar Testing Centre Private Limited