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CONCRETE COMPRESSIVE STRENGTH TEST 1~L'ff~LOff <br />' Report'Number: 23021028.0048 <br />Service Date: October 9, 2002 4172 Center Park Drive <br />Colorado Springs, Colorado 80916 <br />(719) 597-2116 <br />Client: Ames Construction Report Date: October 09, 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 />Number: 23021028 <br />Material Information <br />Specified Strength: 4500 psi @ 28 Days <br />Batch Time: 11:06 <br />Supplier: Transit Mix <br />Truck No: 092 <br />Mix I.D. No.: 14502010 <br />Water Added Onsite Before Test: <br />Water Added Onsite After Test: <br />Field Test Data <br />Test <br />Ticket No: 1448887 <br />0 Gallons <br />0 Gallons <br />Result <br />Slump, inches: 3'/. <br />Air Content, %: 2.4 <br />Concrete Temperature, F: 71 <br />Ambient Temperature, o F: 50 <br />Plastic Unit Weight, pct: 146.6 <br />Laboratory Test Data <br />Specimen Diameter Area <br />_ fD (inches) (sq. inches) <br />3 A 4.00 12.57 <br />Sample Information <br />Sample Time: 11:20 Date Cast: October 9, 2002 <br />Technician: Steve Ludden <br />Weather Conditions: Sunny <br />Accumulative Yards: 130/200 <br />Placement Method: Direct Discharge <br />Sample Locations: 100'N, 5'E from SE Corner <br />Placement Location: Concrete Plug UG 288 <br />Specification Test Method <br />4 Max ASTM C-i72 <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 Stren th Fracture <br />Tested (days) (Ibs) (Ps~ Type <br />10116/2002 7 57,000 4,540 a <br />3 B 4.00 12.57 11/06/2002 28 75,000 5,970 a <br />3 C 4.00 12.57 11/06!2002 28 75,000 5,970 c <br />Average 5,970 <br />Services -Obtain samples of fresh concrete at the placement locations, perform required field tests and, cast compressive <br />strength samples. <br />I <br />ie 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 />iicated above and shall not be reproduced except in full without the writtzn approval of Terracon. 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 simiiar or identical <br />Page 3 of 4 ^~-^~_~•~•* <br />