soil investigation for provision of married accn and allied facilities at 26 . 20 acres land at amdalli , karwar under ge ( i ) ( cg ) goa , part-i mobilization & demobilization , 1 ) making necessary arrangement mobilization & demobilization for of equipment tools &plant , personnel , etc . required for soil investigation and their removal after satisfatory completion of work , in land including slushy areas . note:- the rate includes errecting the setup at first bore hole location . , 2 ) shifting of entire arrangemnt from one bore to another bore hole location and setting of boring / drilling rig as required . , part-ii field tests 1 ) boring 150 mm dia bore holes to any depth through followingtype of strata by using rotary drill method in terms of is:1892 . , a ) any type of soil , i ) from gl upto 10 m depth , ii ) exceeding 10m depth and upto 30m depth , b ) soft rock , i ) exceeding 10m depth and upto 30m depth , c ) hard rock , i ) at any depth , 2 ) collection of undisturbed soil sample ( uds ) at 3 . 0m intervals or at any change of stratas in 100 mm bore thin walled tube including waxing , sealing , packing , and transporting to the lab . , 3 ) carrying out standard penetration test ( spt ) including collection of disturbed soil samples in bore holes at every 1 . 50 m depth or any change of strata and submit the report with all requisite data . , 4 ) collecting water samples from bore-holes , part- iii: laboratory tests as per is: 1892 , 1 ) conducting necessary ( laboratory ) tests on all collected samples which includes the determination of following i . e from [ boq item 3 . 02 to 3 . 20 ] , a ) atterberg limits , b ) natural moisture content , c ) wet and dry density , d ) soil / particle size using seive hydrometer analysis , e ) tri- axial shear test c & d , f ) shrinkage limit , g ) consolidation test , h ) specific gravity test , j ) crushing strength of rocks samples , degree of weathering ( cr value ) and rod of rock samples , k ) permeability test , l ) chemical analysis on soil samples , m ) chemical analysis on water samples , n ) standard and modified protocors density test , o ) vane shear test , p ) salinity test , q ) grain size analysis , identification & classification of soil , r ) liquid limit , plastic limit , shrinkage limit , plasticity index , s ) shear parameters ( c- phi analysis ) , t ) depth of water table below ground level note: payment shall be made as and when all testing reports of 5 copies ( from item 3 . 02 to 3 . 20 ) submitted to engg-in-charge and verified by ge . , part- iv: report , a ) completing and analysis of laboratory and fields test results along with detailed recommendation duly vetted by iit / nit / govt engg . college for selection of type of foundation with supporting design details of requirement including following i . e from [ boq item 4 . 02 to 4 . 08 ] , calculate: ( i ) for open foundations , sbc at d- 1 . 5m , 2m , 2 . 5m & 3m from shear as well as settlement criteria . sbc value shall be calculated based on c-phi analysis as wel as spt value . for calculations , formulae given in is: 6403 shall be used . , ii ) if pile foundation are required then depth of piles shall be mentioned and pile capacity in compression , uplift & lateral loads shall be given for 300 , 400 , 450 , 500 dia for under reamed piles & for 450 , 500 , 550 , 600 , 650 , 700 , 750 , 800 mm dia long piles . , iii ) recommendations regarding type of foundation to be adopted & net sbc / pile capacities to be adopted shall be given . , iv ) recommendations shall be given regarding stability of soil and soil stabilization required , if any , v ) bore log details shall be as per appx d of is: 1892 . n values depth wise shall also be shown in bore log details , vi ) as per is: 1892 clause 3 . 6 . 5 . 3 drilling for 3m depth inside rock is essential to ensure that boulders or layers of cemented soil are not mistaken for rock . report to be made accordingly . , vii ) if hard soil with lesser than n values as specified in table- 1 of is: 1893 ( part-1 ) 2016 is encountered , then evaluation of liquifection potential shall be assessed and remedial actions to be adopted shall be specified . note: payment shall be made as and when all testing reports of 5 copies ( from item 3 . 02 to 3 . 20 ) submitted to engg-in-charge and verified by ge . , details of bldgs: where boring to be done - with no . of bore ( approximate ) ( a ) 04 higher rise >15m height - 4 nos ( b ) 12 nos . low rise < 15 m height - 12 nos ( c ) 02 nos . ug sump - 2 nos ( d ) security wall - 7 nos , parameters of boring:- i ) security wall: bh distance 300m c / c ii ) bldgs < 4000sqm ( low rise ) : 01 no . of bore per bldg iii ) in high rise bldgs: ( > 4 storeys ) , 4 bore holes ( min ) per bldg iv ) ug sump: 01 no in centre , depth of bore hole shall be 15m for depth of base slab upto 5m and in multiple of 2 . 0m increase in foundation depth of 1m or part . note: no . of bore as mentioned under item no . 4 . 09 to be approximate , this may be varied as per site condition .