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CONCRETE COMPRESSIVE STRENGTH TEST ~rC'ff~COli <br />Report Number: 23021028.0047 <br />4172 Center Park Drive <br />Service Date: September 24, 2002 Colorado Springs, Colorado 60916 <br />(719) 597-2116 <br />Client: Ames Construction Report Date: September 24, 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 />Project Number: 23021028 <br />Material Information <br />Specified Strength: 4500 psi @ 28 Days <br />Batch Time: <br />Supplier: Transit Mix <br />Truck No: 18 <br />Mix I.D. No.: 14502010 <br />Water Added Onsite Before Test <br />Water Atldad Onsite After Test: <br />Field Tesf Data <br />Test <br />Slump, inches <br />Air Content, <br />Concrete Temperature,o F: <br />Ambient Temperature, o F: <br />Plastic Unit Weight, pcf: <br />Laboratory Test Data <br />Specimen <br />ID <br />2 A <br />Ticket No: 1448858 <br />0 Gallons <br />0 Gallons <br />Result <br />4 <br />2.5 <br />65 <br />55 <br />146.2 <br />Diameter Area <br />(inches} (sq.inches) <br />4.00 12.57 <br />Sample Information <br />Sample Time: 8:30 Date Cast: September 24, 2002 <br />Technician: Steve Ludden <br />Weather Conditions: Sunny <br />Accumulative Yards: 60/240 <br />Placement Method: Direct Discarge <br />Sample Locations: 80'N from South End <br />Placement Location: Concrete Plugs, UG-270 <br />Specification Test Method <br />2-5 ASTM C-172 <br />NIA ASTM C-143 <br />ASTM C-231 <br />ASTM C-3 i <br />ASTM C-1064 <br />Age at Maximum Compressive <br />Date Test Load Strenggth <br />Tested (days) (Ibs) (PS11 <br />10/01/2002 7 64,000 5,090 <br />2 B 4.00 12.57 10/22/2002 28 85,000 <br />2 C 4.00 12.57 10/22/2002 28 83,000 <br />Average <br />:rvices -Obtain samples of fresh concrete at the placement locations, perform required field to <br />strength samples. <br />I • <br />and <br />6,760 <br />6,600 <br />6,680 <br />Fracture <br />Type <br />a <br />a <br />c <br />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 />cafed above and shall not be reproduced except in fuf! without the wdtten approval of Terracon. Test results transmitted herein are only applicable <br />1e actual samples tested at the (oration(s) referenced and are not necessarily indicative of the properties of other apparently similar or identical <br />Page 2 of 6 °,^m,:°•'+ <br />