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CONCRETE COMPRESSIVE STRENGTH TEST lt~rracon <br />Report Number: 23021028.0047 <br /> <br />Service Date: September 24, 2002 4172 Center Park Drive <br />Colorado Springs, Colorado 80916 <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 lnformation Sample Information <br />Specified Strength: 4500 psi @ 28 Days Sample Time: 2:40 Date Cast: September 24, 2002 <br /> Technician: Steve Ludden. <br />Batch Time: Weather Conditions: Sunny & Breery <br />Supplier: Transit Mix Accumulative Yards: 230/240 <br />Truck No: 24 Ticket No: 1448877 Placement Method: Direct Discharge <br />Mix I.D. No.: 14502010 Sample Locations: Same <br />Water Added Onsite Before Test: 0 Gallons Placement Location: Concrete Plugs, UG-270 <br />Water Added Onsite After Test: 0 Gallons <br />Field Test Data <br />Test Result Specification Test Method <br />Slump, inches: 3'/~ 2-5 ASTM C-172 <br />Air Content, %: 2.3 N/A ASTM C-143 <br />Concrete Temperature, F: 71 ASTM C-231 <br />Ambient Temperature, o F: S5 ASTM C-31 <br />Plastic Unit Weight, pcf: 146.6 ASTM C-1064 <br />Laboratory Test Data <br /> <br />Specimen Diameter Area Age at Maximum Compressive <br />Date Test Load Strength Fracture <br />_ ID (inches) (sq. inches) Tested (days) (Ibs) (psl) Type <br />6 A 4.00 12.57 10/01/2002 7 61,000 4,850 a <br />6 g 4.00 12.57 10/22/2002 28 80,000 6,370 c <br />6 C 4.00 12.57 10/22/2002 28 80,000 6,370 d <br /> Average 6,370 <br />Services -Obtain samples of fresh concrete at the placement locations, perform required Feld tests and cast compressive <br />strength samples. <br /> ®®®~ ®~ <br />echnician: Steve Ludden <br /> <br />eport Distribution: Fracture Types The Terracon Companies, Inc <br />)Ames ConsWCti°n <br />• Reviewed by: t ~, <br />Thomas Rees <br /> Construction Services Manager <br />e tests were performed in general accordance with appl icable ASTM, AASNTO, or DOT test methods. This report is exclusively far the use of the client <br />dicated above and shall not be reproduced except in full without the written approval of Terracon. Test results hansmitted 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 identlcal <br />aferials. <br /> Page 6 of 6 ^+^~+-~•~ <br />