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NORTHWEST TESTING LABORATORIES <br /> <br /> CONC:RiL-'TE COMPRESSION TEST <br /> <br />Constr~ciion Insp~tor~ <br /> <br />T~S?[~ZO~ Nomth Ma~£mn School Bimt=£ct #15 o^.£ 4-3-80 <br /> <br />Carlson <br /> <br />North Marion Middle School ~Lu.. 5½" <br /> <br />3000 psi concrete <br />5½ sack <br />3/4" max. sized a~§regate <br /> <br />Alaska Sand and Gravel <br /> <br />~^~-£~,~o 3-28-80 <br /> <br />· ,¢~r .o, E22844 ^'" ~[MI" 530 TIM[ 10 ; 45 <br /> <br />CL,I. '/DS, RE~'F~I~,i~IqTI~O 92 <br /> <br />LOAO NO. 7 CON(~;FIE?~ 'r~igV. 60O WI[ATkI[R ~roken clond~m <br /> <br />~-3-80 28.5 3rd slab in "~" 4th slab ~n "A" 3170 7 day~ <br /> <br />4-3-80 28.6 3150 i <br /> i 7 dayi <br /> Av.era ge 3160 <br /> <br />4~24-80 28.7 4230 28 da., <br />4-24-80 28.6 4260 28 da! <br /> A~er~ Sa 4245 <br /> BUILDING ~N~'[C'hON m <br /> <br />CC; <br /> <br />North Marion School District <br />F'rod Carlson <br />Elllott and dochimsen <br />Alm~ka Sand and Gravel <br />Balsiger, P~tcraon, 5hewbridge' <br />Van Domclen and Looijmnga <br />Marion County Bu~ldilng'lnspector <br /> <br />iNORTH~ <br /> <br /> <br />