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CONCRETE COMPRESSIVE STRENGTH TEST 1fC'((c7COll <br />Report Plumber: 23021028.0047 <br />4172 Center Park Drive <br />Service Date: September 24, 2002 Colorado Springs, Colorado 80916 <br />(719) 597-2116 <br />Cent: Ames Construction Report Date: September 24, 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 /> Project Number: 23021028 <br />Material Information Sample Information <br />Specified Strength: 4500 psi @ 28 Days Sample Time: 7:16 Date Cast: September 24, 2002 <br /> Technician: Steve Ludden <br />Batch Time: 5:10 Weather Conditions: Clear <br />Supplier: Transit Mix Accumulative Yards: 10/240 <br />Truck No: 018 Ticket No: 128327 Placement Method: Direct Discharge <br />Mix I.D. No.: 14502010 Sample Locations: 60'N from South End <br />Water Added Onsite Before Test: 0 Gallons Placement Location: Concrete Plugs, UG-270 <br />Water Added- Onsite After Test: 0 Gallons <br />Field Test Data <br />Test <br />Slump, inches: 4y, <br />Air Content, °1°: 1,1 <br />Concrete Temperature, F: 68 <br />Ambient Temperature, ~ F: 5C <br />Plastic Unit Weight, pcf: 147.4 <br />Laboratory Test Data <br />Specimen Diameter Area <br />_ ID (inches) (sq. inches) <br />1 A 4.00 12.57 <br />1 B 4.00 12.57 <br />1 C 4.00 12.57 <br />Specification Test Method <br />2-5 ASTM C-172 <br />N/A ASTM C-143 <br /> ASTM C-231 <br /> ASTM C-31 <br /> ASTM C-1064 <br /> Age at Maximum Compressive <br />Date Test Load Streng~th Fracture <br />Tested (days) (lbs) (Ps') Type <br />10/01/2002 7 57,500 4,580 a <br />10/22/2002 28 77,000 6,130 a <br />10/22/2002 28 78,000 6,210 a <br />Average 6,170 <br />Services -Obtain samples of fresh concrete at the placement locations; perform required field tests and cast compressive <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 far the use of the client <br />licated above and shall not be reproduced except in full without the written approval of Temacon. Test results transmitted herein are only applicable <br />the actual samples tested at the location(s) referenced and are not necessarily indlcaBve of the properties of other apparently similar or identical <br />Result <br />Page 1 of 6 °•""•-~••~ <br />