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• .. . L: ! 'i Ire i ? I ' I'' '?I-` ''iC/7 'Cl.j <br />TABLE 1 <br />Materials Quality Control Program <br />SoillBentonite <br />Slurry Trench Cutoff Wall <br />Subject Standard Type of Test Minimum Frequency <br /> Water --- -PH Per water source or as <br /> -Total Hardness changes occur <br /> Manufacturers certificate of <br /> Additives --- compliance with stated One time <br /> characteristics <br />Material Bentonite AP[ Std 13A Manufacturers certificate of One time <br /> compliance <br /> Selected soils obtained from <br /> <br />Backfill Soils <br />--- <br />a borrow area approved by per borrow source or as <br /> <br />the Engineer changes occur <br /> -Unit Weight <br /> Prepared for -Viscosity <br /> placement into API Std 13B - Filtrate Loss 1 set per shift or per batch <br />Slurry the trench (pond) <br /> -H <br /> In Trench API Std 13B 1 -Unit Weight 1 set per shift per point of <br /> -Sand Content trenching <br /> <br />Backfill Mix At Trench ASTM C-143 -Slump 1 set per 100 cu/yds <br /> -Gradation t set per 300 cu/yds <br />Specified Values <br />As required to properly hydrate <br />bentonite with approved additives <br />As approved by Engineer <br />Premium grade sodium cation <br />montomorillonite <br />-80 to 100% passing 2" <br />-65 to 100% passing 3/8" <br />-40 to 85% passing #20 <br />-z to 30% passing #200 <br />Roll to 1/8" thread <br />-Unit weight >_ 1.03 gm/cc <br />-V >_ 40 sec-March @ 68° <br />-Loss s 30 cc in 30 min. @ 100 psi <br />-pH _ 8 <br />-Unit weight =1.03 -1.40 am/rr. <br />-Sand content X20% b volume <br />-Slump 2 to 6" <br />-80 to 100% passing 2" <br />-65 to 100% passing 3/8" <br />-40 to 85% passing #20 <br />->_ to 30% oassina #200 <br />PA0134 Hall Irvin Construction10134.007 StagecoachlConstruction ReportlMaterlals Quality Control.tal.doc