bids are invited for name of work:1. geotechnical investigation of soil strata for sbc for retaining wall2. structural design for retaining wall - name of work: 1. geotechnical investigation of soil strata for sbc for retaining wallcarrying out geotechnical investigation as per is 1892: 1979 by manually / hydraulic / cal7ax rotary drilling of 100-150 mm diameter with casing pipe / bentonite slurry (if required), for supporting inner collapsible stratum below water table with pot holes / helical auger in all sorts of soil upto death of 06m (except soft / boulder / soft to hard rock) or upto the depth of refusal (n>50), conducting standard penetration test (spt) at regular intervals and submitting the sbc report; submission of proper analytical and graphival report with detailed calculation and design of soil bearing capacity, soil bearing pressure, type of foundation etc. as per relevant bis standards.02 numbers of trail pit also include in the item. 2. structural design for retaining wallstructural design and drawings duly incorporated with all the details, final submission of all the approved structural drawings from gov. engineering collage with supporting design data (staad / etabs file) in all size in hard and soft copy for all the category of buildings / structures in desired configuration as per bis standards for the following facilities / structures as per the drawing(s) receive. total quantity : 1