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' CONCRETE COMPRESSIVE STRENGTH TEST l~erraton <br />Report Number: 23021028.0053 <br />Service Date: December 17, 2002 4172 Center Fad<orive <br />Colorado Springs, Colorado 80916 <br />- ~ (119) 597-211fi ' <br />Ames Construction Report Date: 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 />eject Number: 23021028 <br />Material Information <br />Specified Strength: 4500 psi @ 28 Days <br />Batch Time: 2:20 <br />Supplier: Transit Mix <br />Truck No: 24 <br />Mix LD. No.: 14502010 <br />Water Added Onsite Before Test: <br />Water Added Onsite After Test: <br />Field Test Data <br />Test <br />Slump, inches: <br />Air Content, %: <br />Concrete Temperature, F: <br />Ambient Temperature, ~ F: <br />P c Unit Weight, pct: <br />~ L ratorv Tesf Dafa <br />Set <br />No. <br />6 <br />Ticket No: 1449735 <br />0 Gallons <br />0 Gallons <br />Result <br />4 <br />N/A <br />59 <br />25 <br />N/A <br />Specimen Diameter Area <br />ID (inches} (sq. inches) <br />A 4.00 12.57 <br />Age at Maximum Compressive <br />Date Test Load Strength <br />Tested (days) (Ibs) (psi) <br />12/24/2002 7 61,640 4,900 <br />6 B 4.00 12.57 01/14/2003 28 82120 6,530 <br />6 C 4.00 12.57 01/14/2003 28 84,800 6,750 <br />Average 6,640 <br />Fracture <br />Type <br />c <br />a <br />a <br />- Obtain samples of fresh concrete at the placement locations, perform required field tests and cast compressive <br />strength samples. <br />echnician: Steve Ludden ~ ®®~ ®® <br />eport Distribution: Fracture T y p a s The Terracon Companies, Inc <br />).4r~s ConsWCAOn <br />• Reviewed by: ~, <br />Thomas Rees <br />' Construction Services Manager <br />e tests were performed in general accordance with applicable ASTM; PASHTO, or OOT test methods. This report is exclusively far the use of the client <br />dicated above and shat) 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 th_ a location(s) referenced and-are not necessarily indicative of the properties of other apparently similaror identical . <br />Sample Information <br />Sample Time: 2:50 Date Cast: December 17, 2002 <br />Technician: Steve Ludden <br />Weather Conditions: Partly Cloudy & W indy <br />Accumulative Yards: 240!280; <br />Placement Method: Direct Discharge <br />Sample Locations: Center of UG 269 <br />Placement Location: UG 269 ~ <br />Specification Test Method <br />4 Max ASTM C-172 <br />N/A ASTM C-143 <br />ASTM C-231 <br />ASTM C-31 <br />ASTM C-1064 <br />