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CONCRETE COMPRESSIVE STRENGTH TEST <br />Report Number: 23021028.0047 <br />Service Date: September 24, 2002 <br />Client: Ames Construction <br />• Attn: Eric Chiasson <br />18450 E. 28th Ave <br />Aurora CO 80011 <br />Material Information <br />Specified Strength: 4500 psi @ 28 Days <br />Batch Time: <br />Supplier: Transit Mix <br />Truck No: 24 <br />Mix I.D. No.: 14502010 <br />Water Added Onsite Before Test; <br />WaterAdded Onsite After Test: <br />Field Test Data <br />Test <br />Slump, inches: <br />Air Content, %: <br />Concrete Temperature, F: <br />Ambient Temperature, ~ F: <br />Plastic Unit Weight, pcf: <br />Laboratory Test Data <br />Specimen <br />ID <br />3 q <br />3 g <br />3 C <br />Ticket No: 1448863 <br />0 Gallons <br />0 Gallons <br />Result <br />3 <br />2.3 <br />66 <br />55 <br />146.6 <br />Diameter Area <br />(inches) (sq.inches) <br />4.00 12.57 <br />4.00 12.57 <br />4.00 12.57 <br />Test Method <br />ASTM C-172 <br />ASTM C-143 <br />ASTM C-231 <br />ASTM C-31 <br />ASTM C-1064 <br /> <br />Date <br />Tested Age at <br />Test <br />(days) Maximum <br />Load <br />(Ibs) Compressive <br />Strenggth <br />(Psl) <br />Fracture <br />Type <br />10/01/2002 7 65,000 5,170 a <br />10/22/2002 28 85,000 6,760 a <br />10/22/2002 28 85,000 6,760 a <br /> Average 6,760 <br />- Obtain samples of fresh concrete at the placement locations, perform required field tests and cast c <br />strength samples. <br />I • <br />e tests were performed in general accordance with applicable 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 approval of Terracon. Test results transmitted herein are only applicable <br />the actual samples tested at the location(s) referenced and are not necessarily indicative of the properties of other apparently similar or identical <br />Project: PHASE IV Pad <br />Cripple Creek and Victor Mine <br />Victor, CO <br />Proiect Number: 23021028 <br />24, 2002 <br />Sample Information <br />Sample Time: 9:53 Date Cast: September 24, 2002 <br />Technician: Steve Ludden <br />Weather Conditions: Sunny & Breery <br />Accumulative Yards: 110/240 <br />Placement Method: Direct Discharge <br />Sample Locations: 100'N from South End <br />Placement Location: Concrete Plugs, UG-270 <br />lf~rracon <br />4172 Center Park Drive <br />• Colorado Springs, Colorado 80916 <br />(719) 597-2116 <br />Specification <br />2-5 <br />N/A <br />Page 3 of 6 °uno,s~e..iw <br />