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CfONGRETE GUMF+RESSIVE S1 RENGTH TEST lt~rracon <br />Report Number: 23021028.0006 <br />Service Date: May 20, 2002 - 4172 Center Park Drive <br /> Colorado Springs, Colorado 80916 <br /> (719) 597-2176 <br />Client: Ames Construction epo a e: ay 2 <br />Attn: Eric Chiasson Project: Phase IV. Pad <br />18450 E. 28th Ave Cripple Creek and Victor Mine <br />Aurora CO 80011 Victor, Colorado <br /> Project Number:. 23021028 <br />Material Information Sample Information <br />Specified Strength: 4000 psi @ 28 Days Sample Time: 2:20. Date Cast: May 20, 2002 <br /> Technician: Jody Pieper <br />Batch Time: Weather Conditions: <br />Supplier: Transit Mix Accumulative Yards: 10/12 <br />Truck No: 25 Ticket No: 1460694 Placement Method: Direct Discharge <br />Mix I.D. No.: 1450.21 Sample Locations: 2' South & 2' East of NW corner <br />Water Added Onsite Before Test: 0 Gallons Placement Location: Underdrain Sump Pit @ ADR <br />Water Added Onsite After Test: 0 Gallons <br />Field Test Data <br />Test Result Specification Test Method <br />Slump, inches: 2'/< 2-5 ASTM C-172 <br />Air Content, %: 6.0 5-8 ASTM C-143 <br />Concrete Temperature, o F: 70 ASTM C-231 <br />Ambient Temperature, o F: 50 ASTM C-31 <br />Plastic Unit Weight, pct: 141.8 ASTM C-1064 <br />Laboratory Test Data <br /> Age at Maximum Compressive <br />. Specimen Diameter Area Date Test Load Strength Fracture <br />ID (inches) (sq. inches) Tested (days) (Ibs) (psi) Type <br />1 A 4.00 12.57 05/28/2002 8 54,500 4,340 c <br />1 g 4.00 12.57 06/17/2002 28 61,000 4,850 d <br />1 C 4.00 12.57 06/17/2002 28 63,000 5,010 a <br /> Average 4,930 <br />ervrces - tarn samp es o res concrete at the p acement ocatlons, pe orm required ie tests an cast compressive <br />strength samples. <br />• <br />Tt, .s were performed 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 />materials. <br />Page 1 of 2 o,~aa,..~.. ~., <br />