bids are invited for soil investigation and sampling - to carry out soil investigation and collection of samples in all types of strata including distrubed, undistrubed soil sampling, conduction of standard penetration test (spt), visual classification at regular interval, determine the safe bearing capacity complete with field and laboratory tests on soil/ rock samples including trail pit 1.20m x 1.20m x 3.0m investigation to relevant specification of is 2131, is 6403, is 1498 is 2720 , borehole drilling and sbc analysis - conducting soil investigation for the following - (a) 150mm dia meter bore holes as per is specification (b) bore hole. (i) depth of bore hole 15.00 mtr (core drilling by calyx rig) (ii) to suggest sbc for isolated footing 1.5x1.5, 2.0x2.0, 2.5x2.5 mtr at 1.5m, 2.0m, 2.5m depth strip depth strip footing of 1.5 2.0 mtr. (iii) water table (iv) expansive nature of soil with respect plasticity index (v) n value at 2.5m, 3.0m, 6.0m, 12.0m (vi) bore log of soil strata upto 15.0 mtr depth , soil laboratory testing physical - (c) collection of distrubed and undistrubed soil sample at interval of 1.00 mtr at change of relevant specification of is 2720. , soil chemical analysis - (d) conduction lab test on distrubed soil sample at interval of 1.00 mtr or at change of strata or as per relevant is code. (i) sieve analysis (ii) atterbergs limits (iii) natural moisture content (iv) particle size analysis test (v) bulk density , soil engineering properties test - (e) conducting lab test on undistrubed soil sample as considered necessary according to relevant specification of is 2720 - (i) sieve analysis (ii) atterbergs limits (iii) natural moisture content (iv) particle size analysis test (v) bulk density (vi) specific gravity (vii) free swell index and swelling property of soil (viii) organic matter in any soil, in any (ix) consolidation test (compressed index value) (x) trixial compression test and determination of shear parameters (c o) test as per relevant is. (xi) harful salt (complete investigation as already ref). , water level test - (f) ground water table - (i) maximum and minimum levels of ground water in the area with sources of information. (ii) ground water table during investigation. , comprehensive soil report and sbc - (g) submission of six copies of 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. (h) the sbc of the soil is required to be given as per following table. calculation of bearing capacity will be governed generally as per is 8009 (pt-i) 1976, is-2720 (pt-ii) 1980, is 6403-1981, is 1904-1984 is 1904-1984 and is 1080-1985 and other relevant is code. , foundation mapping - (j) with every sites soil investigation report, 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. (k) 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 multiple sites of a single job are being investigated name of each site shall be put on each page of report pertaining to the site. , mobilization and final certification - (l) 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 scrutinised by ge and cwe for correctness and endorse. (m) mobilisation of tools and equipments, machineries, manpowers etc to site location and demolition from site after completion of work. total quantity : 18