bids are invited for soil investigation job 1 - mobilization of necessary eqpt and man power to the project site and dismantling of the same of completion of fd work from the site , soil investigation job 2 - provision of onebore hole 150mm dia in any type of soil upto max 30 mtr or upto refusal ( n=100 ) whichever meet first conducting standard penetration test as per is 2131-1981 ( reaffirmed-2016 ) .test shall be made at not more than 1.5 mtr interval or non change of strata whichever is less. , soil investigation job 3 - provision of fourbore hole 150mm dia each in any type of soil upto max 6 mtr or upto refusal ( n=100 ) whichever meet first conducting standard penetration test as per is 2131-1981 ( reaffirmed-2016 ) .test shall be made at not more than 1.5 mtr interval or non change of strata whichever is less. , soil investigation job 4 - conducting following lab test on bore collected soil sample. ( i ) direct / triaxial shear test ( ii ) grain distribution curves & pattern in bore holes. ( iii ) type of soil, c value ( iv ) bulk density ( v ) natural moisture content ( vi ) dry density ( vii ) water table ( viii ) specific gravity ( ix ) atterberg limit ( x ) hydrometer analysis ( xi ) liquid & plastic limit ( xii ) swelling index , soil investigation job 5 - completion of laboratory test, collection of data , calculation of gross and net safe bearing capacity and preparation of report, final copy printing and submission of report in quintuplet duly vetted by aany iit / nit / govt engg college recommending following data:- ( a ) minimum depth of foundation and type of foundation at different depth as perr relevant is code. ( b ) gross and net safe bearing capacity for :- ( i ) all the bore holes. ( ii ) shallow footing ( isolated or strip or raft ) minimum at two depth viz 1.5m, 2.0m, below ngl with recommended size. ( c ) recommendation for raft or pile foundation for depth of foundation more than 2.0 mtr below ngl, including size, gross and net safe bearing capacity for raft foundation , design parameters for pile foundation shall be given. ( d ) phtographic record of geo-exploration as well as testing shall also part of the report. ( e ) recommendation as regards possibility of liquefaction of soil in case of saturated or partially saturated loose / uncompacted sandy soil.technology to counter liquefaction ( sand pile / stone column ) etc may also be explored before finalising type of foundation. ( f ) swelling index and swelling pressure in respect of black cotton soil and its depth / layer. ( if any ) . ( g ) depth of gr. water table ( gwt ) in peak monsoon ( lowest ) peak summer ( highest ) after correlation of result with seasonal of water table in the station. ( h ) recommedation for filling under floors. ( j ) rl of the ground level / foundationlevel with ref to a bm should invariabily be mentioned in the soil investigation report. total quantity : 1