improvement to water supply infrastructure at af stn agra, to carry out the test to ascertain soil profiles and lab / proportion to determine with field and lab investigation to relevan specifications of is 2131 , is 6403 , is 1498 & is 2720 . , conducting soil investigation for following:- ( a ) 150mm diameter bore holes as per is specification to be made for conduct of various tests including standard penetration test ( spt ) . ( b ) bore hole ( as marked in site plan ) ( i ) soil investigation for 10m depth =8 nos ( ii ) soil investigation for 20m depth =3 nos ( iii ) k value for at depth of 2 . 00m to 2 . 50m = 04 nos ( c ) depth of bore hole =10m & 20 m ( d ) collection of disturbed and undisturbed soil sample at an interval of 1 . 00 mtr or at change of strata or as per relevant is code . ( e ) conducting lab test on disturbed soil samples as considered necessary according to relevant specifications of is 2720 :- ( i ) sieve analysis & grain size distribution by sieve analysis & hydrometer test . ( ii ) atterberg limits ( iii ) natural moisture content ( iv ) particle size analysis test ( v ) bulk density / dry density , ( f ) conducting lab test on undisturbed soil sample as considered necessary according to relevant specification of is 2720 and detailed result showing all relevant calculations , inferences , indices and parameters shall be given in the soil report ( i ) natural moisture content ( ii ) bulk density ( iii ) specific gravity ( iv ) free swell index and swelling properties of soil ( v ) organic matter in soil if any ( vi ) consolidation test ( compressed index value ) ( vii ) triaxial compression test and determination of shear parameters ( c & o test ) as per relevant is . ( viii ) harmful salt ( complete investigation as already ref ) ( g ) ground water table :- ( i ) maximum and minimum levels of ground water in the area with source of information . ( ii ) ground water table during the investigations . , to carry out plate bearing test ( k-value test ) for determination of sub grade each reaction of soil in place for design of raft foundation . this includes arrangement of girders , hydraulic jack ( complete with pump pressure gauge and fixible pipe , dial gauge with magnetic bases chequers or grove steel plate varying in size , datum par or rod necessary tool kit ) and conducting test at site accordance to is 9214-1979 . moudulus of sub grade ( k value ) :- ser depth of moundulus of sub remarks no foundation grade ( k value ) ( mtr ) s-1 s-2 ( a ) 2 . 0 m ( b ) 2 . 5 m , determination of cbr of soil in field in and lab accordance to relevant is code complete all as specified and directed by engineer-in-charge . , submission of six copies of ink signed test reports with detailed description of field investigation , soil classification and general nature of soil strata , water table , interpretation of test results , grains size distribution curves , compressive index curves , site plan etc . , the sbc of the soil is required to be given as per following table , cacluation of bearing capacity will be governed generally as per is 8009 ( pt-i ) , is -2020 ( pt-ii ) 1980 , is 6403-1981 , is 1904-1986 & is 1080-1985 and other relevant is codes and detailed calculations duly showing the various soil parameters / indices shall be given in the soil reports: depth of safe beairing capacity of soil remarks foundation in t / m2 for footing sizes 1 . 2m x 1 . 2m 1 . 5m x 1 . 5m 2 . 0m x 2 . 0m 2 . 5m x 2 . 5m 1m 1 . 5m 2 . 0m 2 . 5m , the cbr value of the soil is required to be given as per following table . calculation of cbr with detailed calcuations duly showing the various soil parameters / indices shall be given in the soil report:- ser test contducted test result test method no 1 grain size analysis is: 2720 , part-4 1 . 1 gravel ( % ) 1 . 2 sand ( % ) 1 . 3 silt & clay ( % ) 2 . 0 atterberg limits is:2720 , part-5 2 . 1 liquid limits ( % ) 2 . 2 plastic limits ( % ) 2 . 3 plasticity index ( % ) 3 . 0 water content -dry density relation is: 2720 , part-8 3 . 1 maximum dry density ( g / cc ) 3 . 2 optimum moisture content ( % ) 4 . 0 cbr ( california bearing ratio ) s: 2720 , part-16 4 . 1 unsoaked cbr 4 . 2 soaked cbr 5 . 0 soil classification: 5 . 1 soil group symobol is : 1498-1970 5 . 2 symbolic representation 5 . 3 specific gravity is: 2720 , part -3 , 7 . 0 in place density ( g / cc ) is: 2720 , part-34 8 . 0 natural moisture content , % is: 2720 , part -2 9 . 0 free swell index , % is: 2720 , part 40 10 . 0 organic matter , % is 2720 , part - 22 11 . 0 permeability , cm / sec is 2720 , part -36 , with every sites soil investigation repor a detailed site plan showing the approx location of each bore duly numbered as per log of bore hole should be enclosed . location of foundation of adjacent structures , especially those that might be impacted by the proposed construction should be indicated with details in site plan . , photgraphic record of geo-explorations as well as testing shall also form part of the report . , every page of the soil investigation report should have the name of the job for which soil investigation is being carried out . in case of mulitiple sites of a single job are being investigated name of each site shall be put on each page of report pertaining to the site . , all pages of the soil investigation report shall be serially numbered , stamped and signed by the agency carrying out the soil investigation . report should be scrutinized by ge &cwe for correctness & endoresed . , the ge shall intimate the approximate type of construction , utillzation and dimensions of proposed building to the consultant , who based on geoehincal investigations should recommend type of foundation ( viz isolated / compbined footing , raft , pile etc . ) , in case of underground buildings / basement construction , or if requirement of temporary / permanent deep excavation support measures during construction of building are envisaged necessary excavation support measures to be given by the consultant based on geotechnical ivestigations .