consultancy services of soil investigation for design of pavement for provision of taxi track twin hanger at icgas ratnagiri consultancy services of soil investigation for design of pavement for provision of taxi track twin hanger at icgas ratnagiri , 1 . drilling exploratory boreholes of 100 / 150 mm dia in all type of soil / rock up to depth of 6 mtr collecting soil / rock samples in core boxes including conducting spt test and conducting lab tests on soil / rock as per is code . [ qty - 15 each ] 2 . carrying out site plate load test to determine k value of rock / soil . [ qty - 6 each ] 3 . trial pit excavation of pit size 1 . 0m x 1 . 0m x 1 . 0m in rock and carrying out cbr test on samples obtained . [ qty - 4 each ] 4 . preparation & submission of geo technical investigation report with recommendation .