soil investigation at provision of rcc bridge for marcos pb at nts teyerabad spl wks port blair as per nit , note: the prepriced rate indicated as 0 . 00 under col . 6 and as 0 . 000 indiacted under col no 14 to 20 signifies this fact only . bidder shall insert their rates in green filed under col-6 . and other charges like taxes , ed , freight etc are shall filed in the respective col , m&l for carrying out the soil investigation in repect of the soil investigation to cover field work and laboratory studies as includes:- ( a ) mobilization of plants and equipment including men and materials as 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 reqd for the purpose of testing ) . ( 01 job ) ( b ) shifting of men , materials and equipments from one bore to another bore location including setting of boring/drilling as required and as directed by engr-in-charge . ( 03 each ) ( c ) boring 150mm dia bore holes to any depth through following type of strata:- ( i ) any type of soil ( 68 rm ) , ( ii ) soft rock ( 08 rm ) , ( iii ) hard rock ( 04 rm ) ( d ) collection of undisturbed soil samples at every 3m intervals or at any change of strata in 100mm bore thin walled tube including waxing , sealing , packing , transporting to the lab . ( 28 each ) . ( e ) carrying out standard penetration test ( spt ) as per is 2131 including collection of disturbed soil samples in bore holes at every 1 . 5m depth or at any change of strata and submit the report with all requisite data . ( 28 each ) . ( f ) excavation of trial pit up to 3 . 0m depth having size 1 . 2 x 1 . 2m for collecting 1 nos uds sample including the test i ) atterberg limits ii ) natural moisture content iii ) wet and dry density . iv ) particle size ( soil grain size ) v ) tri axial shear test or direct shear test vi ) specific gravity vii ) free swelling index ( 01 job ) . ( g ) conducting necessary test on all collected samples which includes the determination of :- ( i ) atterberg limits ( ii ) natural moisture content ( iii ) wet and dry density ( iv ) soil/particle size using sieve hydrometer analysis and shear strength test ( unconfined compression ) ( v ) tri- axial shear test c & determination ( vi ) shrinkage limit ( vii ) consolidation test incl pre-consolidation pressure ( viii ) specific gravity test for sand/rock ( ix ) crushing strength of rock sample ( x ) permeability test ( xi ) testing of water sample including ph determination ( 02 sample ) ( xii ) free swelling index ( xiii ) soluble salt content ( chloride and sulphate ) ( xiv ) shear strength test ( un confined compression ) ( j ) compilation of data and submission of report in 04 copies containing nsbc , sbc , settlement test result , graphs , charts , calulation etc and recommendation for foundation as require . ( 01 job )