bids are invited for 1 visiting the site to ascertain the cause of failure oblique collapse of existing earth retaining structures of the road 2 drilling 6 nos bore hole in soil up to 10 mtr depth or up to refusal whichever is encountered earlier and conducting standard penetration test in soil as per is 2131 1981 including collection of disturbed undisturbed soil samples at every 1 point 50mtr intervals and conduction the laboratory test analyzing the test results comma including determination of sbc and preparation of report as directed by engr in charge and submission of test report in triplicate 3 mobilization and demobilization charges 4 carrying out topographical survey of the land around the road length from river bed right upto ridge top above the road and preparing area drainage plan for the road 5 structural design services structure design consultancy carrying out structure design and development of working structural drawing for execution at site in all respects for construction of provision of certain works services construction of 100 mts retaining wall along road including vetting from nit iit total quantity : 69