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CONCRETE COMPRESSIVE STRENGTH TEST <br />Repor t Number: 23021028.0049 ~ ~C'TT~=~~ <br />Service Date: October 9, 2002 ~ ~ - 4172 Center Park Drive <br />Colorado Springs, Colorado 80916 <br />(7'19) 597-2116 <br />Client: Ames Construction epo a e: ctober 09, 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 />Ma#erial Information -Sample /nformation <br />Specified Strength: 4000 psi @ 28 Days Sample Time: 4:30 Date Cast: October 9, 2002 <br />Technician: Contractor <br />Batch Time: 3:46 Weather Conditions: Sunny <br />Supplier: Transit Mix Accumulative Yards: 310! <br />Truck No: 24 Ticket No: 1449705 Placement Method:' Backhoe Bucket <br />Mix I.D. No.: 1450.20 Sample Locations: Same <br />Water Added Onsite Before Test: 0 Gallons Placement Location: UG 274 Beginning of Pour <br />Water Added Onsite After Test: 0 Gallons <br />Field Test Data <br />Test Result Specification Test Method <br />Slump, inches: 2% 4 Max ASTM C-172 <br />Air Content, %: 2 - 5 ASTM C-143 <br />Concrete Temperature, o F: ASTM C-231 <br />Ambient Temperature, o F: ASTM C-31 <br />Plastic Unit Weight, pcf: 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 />3 A 6.00 28.27 10/16/2002 7 132,000 4,670 a <br />3 g 6.00 28.27 11/06/2002 28 154,000 5,450 a <br />3 C 6.00 28.27 11/06/2002 28 155,000 5,480 a <br /> Average 5,470 <br />ervlces - e orm compressive streng determrnatlons o test cy orders cast by others and ehve re tot e laboratory. <br /> <br />The sts were performed in general accordance with applicable ASTM, AASHTO. or DOT test me thods. This report is exclusively for the use or the client <br />indicated above and shall not be reproduced except in lull without the written approval of Terracon. Test results transmitted herein are only applicable <br />o the actual samples tested at the location(s) referenced and are not necessarily indicative of the properties of other apparently similar or identical <br />aterials. <br />Page 3 of 4 ~-aei.~.~.r <br />