soil investigation , soil investigation :-1 . mobilisation of drilling accessories and man power at site and demobilization the same after completion of the entire work and carrying out soil investigation by drilling bore holes ( 100 mm dia in any type of soil and 75 mm dia ( nx size ) in rock upto 10 mtr depth respectively and collecting disturbed soil samples/rock cores from different location for carrying out relevant laboratory test , all as directed by engineer-in- charge including of undermentioned tests :- ( a ) conducting density test of soil ( lab tests ) ( b ) collecting undisturbed soil samples . ( c ) water absorption test ( lab test ) ( d ) soaked crushing strength test on rock . ( e ) atterbergs limit on soil . ( f ) conducting standard penetration test ( spt ) . ( g ) specific gravity . ( h ) chemical analysis of soil/water . ( j ) porosity of rock . 2 . compilation of filed and lab test results and submission of soil investigation report . note : ( i ) ser no 1 ( a ) to ( j ) & 2 one job only . ( ii ) six month guarantee shall be given the firm/contractor . ,