Soil Investigation for urgent repair to retaining wall infront and behind P 21 and sub station building under GE Haddo Port Blair (Para 35)

M & L for carrying out the soil investigation in respect of the soil investigation 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 lab as required for the purpose of testing). (b) Shifting of entire arrangement from one bore to another bore hole location and setting of boring/drilling as required and directed by Engr-in-charge. (c) 02 Nos Bore holes of 150mm dia of each 10M depth (Total 20 RM) through any type of soil/soft rock/hard rock.(RM-20) (d) Carrying out Standard Penetration Test (SPT) as per IS-2131 including collection of disturbed soil samples in bore holes of every one meter depth or any change of strata and submit the report with all requisite data. - (Each-20) (e) Collection of undisturbed 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. (Each-06) Contd/-

(f) Excavation of trial pit up to 3M depth having size 1.2x1.2 for collecting 01 Nos of UDS sample. (Job -02) (g) Conducting necessary test on all collected Disturbed/ Undisturbed/ SPT samples which includes the determination of soil bearing capacity :- (Job-04) (i) Atterberg limits (ii) Natural moisture content (iii) Wet and dry density, unit weight (iv) Soil/Particle size ( soil grain size) (v) Consolidation test including pre consolidation pressure. (vi) Tri-axial shear test (vii) Shrinkage limit (viii) Specific gravity test (ix) Direct shear test ( C & O determination) (x) Unconfined compression test (xi) Crushing strength of rock samples (xii) Free swell index (xiii) Soluble salt content (Sulphate, Chloride and PH content)

Contd/- (Item No -1) (h) Compilation of data and submission of report in 04 copies ( as per NBC 2016, Part 6, section 2, Para 3.5) (i) containing scope of investigation (ii) method of drilling bore hole (iii) sampling of bore hole (iv) visual description of soil sample (v) ground levels along with ground water table level (vi) Test results ( both laboratory and field) including graphs. (vii) Photographs of equipment used and samples collected with descriptions (viii) photographs of laboratory test samples after testing (ix) general observations of vicinity ( Streams, foundation system adopted etc) (x) longitudinal and transverse section profiles of substrata (xi) analysis of field and laboratory test results (xii) calculations for arriving at allowable bearing capacity as per IS and pile capacities at suitable depth (xiii) recommendation for suitability of foundation

NOTE: (a) The Job be treated as single and quoted amount should be for the entire Job.

S.M. Consultants