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CONCRETE COMPRESSIVE STRENGTH TEST <br />Report Number: 23021028.0053 ~([~~('a[Qn <br />Service Date: .December 17, 2002 4'172 Center Park Drive <br />Colorado Springs, Colorado 809'16 <br />Cli t: Ames Construction Report Date; n19) ss7-2»s <br />December 17, 2002 <br />Attn: Eric Chiasson Project: PHASE IV Pad <br />18450 E. 28th Ave Cripple Creek and Victor Mine <br />Aurora CO 80011 Victor, CO <br />Number: 23021028 <br />Material Information <br />Specified Strength: 4500 psi @ 28 Days <br />Batch Time: 11:10 <br />Supplier: Transit Mix <br />Truck No: 91 <br />Mix {.D. No.: 14502010 <br />Water Added Onsite Before Test: <br />Water Added Onsite After Test: <br />Field Test Data <br />Ticket No: 1449727 <br />0 Gallons <br />0 Gallons <br />Test Result <br />Slump, inches: 3 <br />Air Content, °Jo: N1A <br />Concrete Temperature,o F: 64 <br />Ambient Temperature, ~ F: 30 <br />Pla <br />tic Unit Weight, pcf: N/A <br />s <br />" <br />L~atory Test Data <br />Set <br />No. <br />4 <br />4 <br />4 <br />Specimen Diameter Area <br />ID (inches) (sq.inches) <br />A 4.00 12.57 <br />B 4.00 12.57 <br />C 4.00 12.57 <br />strength samples. <br />Testiest=oil <br />ASTM C-172 <br />ASTM C-143 <br />ASTM C-231 <br />ASTM C-31 <br />ASTM C-1064 <br /> <br />Date Age at <br />Test Maxi <br />mum <br />Compressive <br /> <br />Tested <br />(days) Load <br />(-bs Strength <br />(psi) Fracture <br />T <br />e <br /> ` yp <br />12/24/2002 7 58,400 4,650 c <br />01/14/2003 28 75,97p 6,050 a <br />01/14/2003 28 78,630 6,260 a <br /> Average 6,180 ~ <br />COnCrete at the placement <br />Cast COI <br />e tests were performed in general accordance with appligble ASTM, AASHTO, or DOT test methods.. This report is exclusively for the use of the client <br />dicated above and shall not be reproduced except in full without the written a royal of Terracon. Test results transmitted herein are onl a linable <br />the actual samples tested at the location(s) referenced and are not necessarily indicative of the prop?rt,es of other apparently similar or denhcal <br />aterials. - ~ - ~ <br />Page 4 of 6 `~ a s~l~*a"' .*~ ~f"4' ^.~~. '"""" <br />5 0 <br />Sample Information <br />Sample Time: 11:33 Date Cast: December 17, 2002 <br />Technician: Steve Ludden <br />Weather Conditions: Partly Cloudy & Windy <br />Accumulative Yards: 160/26® <br />Placement Method: Direct Discharge <br />Sample Locations: 130' Sou(h 8 10' East of NW corner <br />Placement Location: UG 504 <br />Specification <br />4 Max <br />N/A <br />