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CONCRETE COMPRESSIVE STRENGTH TEST <br />Report Number: 23021028.0051 <br />Service Date: November 13, 2002 <br />Ames Construction <br />Attn: Eric Chiasson <br />18450 E. 28th Ave <br />Aurora CO 80011 <br />l~~rracon <br />- .4172 Center Park Drive <br />Colo2do Spdngs, Colorado 80916 <br />(719) 597-2116 <br />4eport Date: November 25, 2002 <br />Project: PHASE IV Pad <br />Cripple Creek and Victor Mine <br />Victor, CO <br />Project Number: 23021028 <br />Material Information <br />Specified Strength: 4000 psi @ 28 Days <br />Batch Time: 9:40 <br />Supplier: Transit Mix <br />Truck No: 75 <br />Mix I.D. No.: 14502010 <br />Water Added Onsite Before Test: <br />Water Added Onsite After Test: <br />Ticket No: 130893 <br />0 Gallons <br />0 Gallons <br />Field Test Data <br />Sample Information <br />Sample Time: 11:40 Date Cast: November 13, 2002 <br />Technician: Contractor <br />Weather Conditions: Sunny <br />Accumulative Yards: 10 <br />Placement Method: Bucket <br />Sample Locations: 1st Yard <br />Placement Location: UG 503 <br />Test Result Specification Test Method <br />Slump, inches: 3'/< 2-5 ASTM C-172 <br />Air Content, %: N/A N/A ASTM C-143 <br />Concrete Temperature,° F: N/A ASTM C-231 <br />Ambient Temperature, ° F: N/A ASTM C-31 <br />P Unit Weight, pcf: N/A ASTM C-1064 <br />La rato Test Data <br /> Age at Maximum Compressive <br />Set Specimen Diameter Area Date Test Load Strength Fracture <br />No. ID (inches) (sq. inches) Tested (days) (Ibsl (Psi) Type <br /> <br />1 A 4.00 12.57 11/25/2002 12 58,500 4,650 a <br />1 B 4.00 12.57 11/27/2002 14 62,000 4,930 a <br />1 C 4.00 12.57 12/11/2002 28 74,880 5,960 a <br />1 D 4.00 12.57 12/11/2002 28 75,500 6,010 a <br /> Average 5,990 <br />- Pertorm compressive <br />i• <br />inations of test cylinders cast by others and delivered to the laboratory. <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 />icated 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 /> <br />