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CONCRETE COMPRESSIVE STRENGTH TEST ~fL'ffr7COf1 <br />Report Number: 23021028.0046 <br />Service Date: September 23, 2002 4172 Center Park Drive <br />Colorado Springs, Colorado 80916 <br />(719) 597-2116 <br />Ctient: Ames Construction Report Date: September 23, 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 <br />Specified Strength: 4500 psi @ 28 Days <br />Batch Time: <br />Supplier: Transit Mix <br />Truck No: 91 <br />Mix I.D. No.: 14502010 <br />WaterAdded 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 />!D <br />2 A <br />2 g <br />2 C <br />Ticket No: 1448840 <br />0 Gallons <br />0 Gallons <br />Result <br />3 <br />2.5 <br />62 <br />50 <br />146.4 <br />Diameter Area <br />{inches) {sq.inches) <br />4.00 12.57 <br />4.00 12.57 <br />4.00 12.57 <br />Sample Information <br />Sample Time: 9:16 Date Cast: September 23, 2002 <br />Technician: Steve Ludden <br />Weather Conditions: Sunny <br />Accumulative Yards: 581200 <br />Placement Method: Direct Discharge <br />Sample Locations: Same <br />Placement Location: Concrete Plugs UG-270 <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 Strength Fracture <br />Tested (days) (Ibs) (psi) Type <br />09/30/2002 7 64,500 5,130 a <br />10/21/2002 28 77,000 6,130 a <br />10/21/2002 28 75,500 6,010 a <br /> Average 6,070 <br />- Obtain samples of fresh concrete at the placement locations, perform <br />strength samples. <br /> <br />cast compressive <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 wdtten approval of Temacon. 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 />Page 2 of 4 =++^^+~^••~+ <br />