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Materials Dt spcction <br />Physical Tcstlng <br /> <br />NORTHWEST TESTING LABORAT[3RIES <br /> <br /> CONCRETE COMPRESSION TEST <br /> <br />Cotu~trtlctlon Inspectors <br /> <br /> ~- Chemi~s <br /> <br />North Marion School District #15 <br />F L Carlson <br /> <br />nZ,~O.T .0. S-4890 <br /> <br />North Marion Middle School <br /> <br />3000 psi concrete <br /> <br />3/W' max. sized aggregate <br /> <br />C,*T'~ .£¢~.v£o 4-2-80 <br /> <br />Alaska ~nd and Gravel <br /> <br />V'~"~T NO' 0RDC10538 ^,- TE~t~"' 42° <br /> <br />4-8-80 <br />4-8-80 <br /> <br />4-29-80 <br />4-29~80 <br /> <br />29.0 <br /> <br />28.9 <br /> <br />29.0 <br /> <br />28,9 <br /> <br />60° w,~^v.[., Clear <br /> <br />8, 11, <br /> <br />Average <br /> <br />Tilt panels 1, 2, 3, 4, 7, <br />14, slab rms. 101 thru 108 <br /> <br />~U!!.91NG tNSPECI~0N <br /> <br />~ve~ge <br /> <br />3570 <br /> <br />3560 <br /> <br />3565 <br /> <br />516o <br /> <br />519o <br /> <br />? days <br /> <br />7 days <br /> <br />28 day <br /> <br />CC: <br /> <br />North Marion School District <br />Fred Carlson <br />Balsiger, Peterson, Shewbridge <br />Elliott and Jochimsen <br />Van Domelen and Looijenga <br />Marion County Building Inspector <br /> <br /> <br />