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CONCRETE Cfl1YlPfZESSNE STf2E3VGTH TEST '~e,~fc~C®1i <br />Repor: Number: 23021028.0048 <br />Service Date: October 9, 2002 4172 Center Park Drive <br />Colorado Springs, Colorado 80916 <br />(7'19)537-2t 16 <br />Client: Ames Construction Report Date:. October 09, 2002 <br />Attn: Eric Ghiasson Project: PHASE IV Pad <br />• <br />18450 E. 28th Ave Cripple Creek and Victor Mine <br />Aurora CO 80011 Victor, CO <br /> Project Number: 23021028 <br />Material Information Sample /nformation <br />Specified Strength: 4500 psi @ 28 Days Sample Time: 9:35 Date Cast: October 9, 2002 <br /> Technician: Steve Ludden <br />Batch Time: 9:20 Weather Conditions: Sunny, breery ' <br />Supplier: _ Transit Mix Accumulative Yards: 701200 <br />Truck No: 24 Ticket No: 1448881 Placement Method: Direct Discharge <br />Mix I.D. No.: 14502010 Sample Locations: i0'N, 10'E from SW Corner <br />Water Added Onsite Before Test: 0 Gallons Placement Location: Concrete Plug UG 288 <br />W ater Added Onsite After Test: 0 Gallons <br />Field Test Data <br />. Test <br />Slump, inches: 3yz <br />Air Content, %: 2.4 <br />Concrete Temperature,o F: 67 <br />Ambient Temperature, ~ F: 45 <br />Plastic Unit Weight, pcf: 146.8 <br />Laboratory Test Data <br />2 <br />Specimen Diameter Area <br />ID (inches) {sq. inches) <br />A 4.00 12.57 <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 />Age at Maximum Compressive <br />Date Test Load Strength Fracture <br />Tested {days) (Ibs) (Pst) Type <br />10/16/2002 7 56,500 4,500 a <br />2 8 4.00 12.57 11/06!2002 28 71,000 5,650 c <br />2 C 4.00 12.57 11/06/2002 28 72,000 5,730 a <br />Average 5,690 <br />Services -Obtain samples of fresh concrete at the placement locations, perform required field tests and cast compressive <br />strength samples. <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 />dicated above and shall not he reproduced except in full without the written approval of Terracen. 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 />Result <br />Page 2 of 4 °~-~01a°^•F•+ <br />