SOIL INVESTIGATION FOR PROVISION of retaining wall near primary wing of NCS under AGE B/R of GE MINNIBAY, PORT BLAIR

Amount

M & L for carrying out the soil investigation in respect to cover field work and laboratory studies includes :- (a) Mobilisation of plants equipments including men and materials required at site of soil investigation, setting of boring/drilling as required and demobilization of plants and equipments on completion of work etc complete (which includes conveyance of sample collected to testing laboratory as required for the purpose of testing). (b) Boring 150mm dia bore holes from GL upto 10 metre depth or refusal of strata where N valvue is obtained more than 50/100 whichever is earlier, to take samples and carryout necessary tests as mentioned below. (c) Carrying out Standard Penetration Test (SPT) as per IS-2131 including collection of distrubed soil samples in bore holes of every one meter depth or any change of strata and submit the report with all requisite data. (d) Collection of undistrubed soil sample at every 3M intervals or at any change of strata in 100mm bore thin walled tube including waxing, sealing, packing transporting to the lab. (e) Conducting necessary test on all collected samples which includes the determination of :- (i) Shrinkage limit (ii) Atterberg limits (iii) Natural moisture content (iv) Wet and dry density, unit weight (v) Particle size ( soil grain size / hydrometer analysis) (vi) Consolidation test. (vii) Tri-axial shear test (viii) Specific gravity test (ix) Direct shear test (x) Testing ground water sample (Sulphates Chlordes & PH) (xi) Free swell index (xii) Crushing strength of rock samples (f) Compilation of data and preparation and submission of report in 04 copies containing NSBCV SBC. Settlement test results. Graphs, Charts, Calculation etc and recommendation for foundation.

Subudhi Technoengineers Pvt Ltd