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'CONCRETE COMPRESSIVE STRENGTH TEST <br />Report Number: 23021028.0051 lf~rracon <br />4172 Center Park Drive <br />Service Date: November 13, 2002 Colorado Springs, Colorado 80916 <br />(719) 597-2116 <br />~t: Ames Construction epo a e: ovember25, 2002 <br />Attn: Eric Chiasson Project: PHASE 1V 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: 4000 psi @ 28 Days Sample Time: 12:20 Date Cast: November 13, 2002 <br />Technician: Contractor <br />Batch Time: 9:58 Weather Conditions: Sunny <br />Supplier: Transit Mix Accumulative Yards: 20 <br />Truck No: 129 Ticket No: 130895 Placement Method: Bucket <br />Mix I.D. No.: 14502010 Sample Locations: 1st CT <br />Water Added Onsite Before Test: 0 Gallons Placement Location: UG 502 <br />Water Added Onsite After Test: 0 Gallons <br />Field Tesf Dafa <br />Test <br />Slump, inches: <br />Air Content, %: <br />Concrete Temperature, o F: <br />Ambient Temperature, o F: <br />P is Unit Weight, pcf: <br />i rato Test Data <br />Result <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 />2%: <br />N/A <br />N!A <br />NIA <br />N/A <br />Set Specimen Diameter Area <br />No. ID (inches) (sq. inches) <br />2 A 4.00 12.57 <br />2 B 4.00 12.57 <br /> Age at Maximum Compressive <br />Date Test Load Strength Fracture <br />Tested (days) (Ibs) (Psi) Type <br />11/25/2002 12 61,500 4,890 a <br />11/27/2002 14 65,000 5,170 a <br />2 C 4.00 12.57 12/11/2002 28 74,020 5,890 a <br />2 D 4.00 12.57 12(11/2002 28 71,860 5,720 a <br />Average 5,810 <br />ervlces - e orm compressive strength eterminatlons o test cy Inders cast y others an e Ivere to t e a oratory. <br />• <br />The tests were pertormed in general accordance with applicable ASTM, AASHTO, or DOT test methods. This report is exclusively for the use of the client <br />indicated above and shall not be reproduced except in full without the written approval of Terracon. Test results transmitted herein are only applicable <br />to 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 3 o,.nm-.~.,,. e.Y <br />