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Job l{o. 487 L Page 2 <br />vl11 need lnspectlon and possible stablllzatlon at a later <br />date. <br />The fill vas placed Ln 4 lnch llfts and conpacEed byneans of a 5fx5r eheepsfoot roller 6ttached to a D-6bulldozer and by means of whee1ro111ng wlth loaded scrapersand a rrater truck. The required moisture was supplied by a <br />3500 gallon YaEer truck. <br />The fl11 materlal conslsted of both on-site and imported <br />soi1s. The on-slt.e maEerial consisted of si1ts, sandy Bi1t.s,sl1ty sands, and sands, whl1e the lmport. consisted of sl1ty <br />sand ob!ained from Ehree sources. <br />TesEs <br />compacted <br />10 _) <br />for <br />soil rrere <br />UBC <br />volume change wiEh noisEureln accordance uith the <br />performed on <br />TesE S ta ndar d <br />The maxlmum denslty of <br />accordance vlth A.S.T.M. Test <br />the soil was <br />Method D-l557. <br />value of <br />of theloading. <br />deEermlned tn <br />?825 pounds per square <br />above bearing value is <br />The concentratlon of soluble sulfaEes in the soLl nasdeEernlned by A.S.T.l'{. Test. MeEhod D-516 Method A and 1s <br />expressed as a percentage by telght of dry soI1 tested. <br />REMARKS AND RECOMMENDATIONS <br />Footings and Bear ing <br />be 1o rc the lowe acen . This value nay be <br />lncreased pounds er <br />foot. ln v d rh to a max <br />Footings may be deslgned for an allowabIe bearing valueof 1925 ,ounds per square fooE provided they are placed to amlnlmum r.r'l drh af I 2 i nchec and a mlnJ mum deDth of I8 i nches . <br />num <br />oo rease opernissible for ghorE duration <br />Concret.e Slab ConstrucEion <br />reconnended that concrete floor slabswith noleture sensltive coverings be <br />f. t/3 <br />Ir is <br />be covered <br />in areas to <br />construcEed <br />The denslty of the soils vas determined ln accordancewith A.S.T.M. Test lleEhods D-l556 and D-2937. The Eestresults uere conpared to the naxinun density as deterElnedin accordance nlLh A.S.T.M. Test Method D-1557. The resultsof the Eests are presenEed on the atEached "Table of Test <br />Result.srr nith their approximate locations shown on the <br />attached ploE plan. <br />LABORATORY TESTING <br />I <br />I <br />I <br />I