soil investigation and structural and architectural design drawing preparation of provision of construction of certain otm accn for af net section at af stn mohanbari , 1.the following works are to be carried out for soil testing for construction of certain otm accn for af net section at af stn mohanbari ( a ) boring through sand / clay / silt strata from ground level to 7.00 mtrs ( b ) carrying out standard penetration test in bore holes as is2131 ( c ) collecting of disturbed sample at every 0.5 mtr or change of strata including packing and handling all complete. ( d ) collecting undistrubed soil samples at every 1.0 mtr or change of strata including packing andhandling all complete as per is2132 ( e ) carrying out laboratory test for ;- ( i ) grain size ( ii ) liquid and plastic limit and swelling index ( iii ) natural moisture content ( iv ) specific gravity ( v ) bilk and dry density ( vi ) shear strength parameters ( vii ) chemical test for solubale chlorides and sulphate content. ( viii ) consolidation test parameters. ( f ) the report to include clearly the following parameters :- ( i ) layout out of trial pits and bore holes on propossed ( ii ) recording of boring as per appx d of is 1892 ( iii ) soil / rock properties as per detailed exploration ( table 3 of is 1892 ) ( iv ) soil properties ( v ) estimatation of sfe bearing pressure on safe capacity as per shear criteria and shall include detailed calculation of width of 1.5 / 2.0 / 2.5 m in general. the report shall include detailed calculations for sbc. in case of low bearing capacity recommendation may include bearing calculation sbc & settlement calculation for that foundation also. ( vi ) recommendation of sbc and type of foundation ( vii ) recommendation of pile capacity in case weaker strata in encountered ( viii ) other relevent recommendation for foundation and improvment of soil if necessary ( ix ) recommendation of existing soil backfill purpose. , preparation of structural design and architectural drawing ofconstruction of certain otm accn for af net section at af stn mohanbari. construction of otm accomodation:- ( i ) af net equipment room = 7.60 x 6.10 mtr ( ii ) power room = 4.55 x 4.55 ( iii ) control & repair room = 3.05 x 3.05note :- ( a ) all the architectural drawings, structural design & other necessary details with calculation folder shall be vetted by iit / govt engg college in original. ( b ) bidder shall have to submit 5 copies of drawings in a3 size and and other reqd documents in a4 size as per requirment and soft copy in cd also. ( c ) standered line plan of bldg is attached as per appx a for your ready ref. => limited