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CONCRETE COMPRESSIVE STRENGTH TEST <br />~~~~~~~~~ <br />Report Number: 23021028.0049 <br /> <br />Service Date: October 9 <br />2002 4172 Cen[er Park Drive <br />, Colorado Springs, Colorado 80916 <br /> (719) 597-2116 <br />Client: Ames Construction - eport ate; October 09, 2002 <br />Attn: Eric Chiasson 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 lnforma#ion Sample Information <br />Specified Strength: 4000 psi @ 28 Days Sample Time: 3:40 Date Cast: October 9, 2002 <br /> Technician: Contractor <br />Batch Time: 2:55 Weather Conditions: Sunny <br />Supplier. Transit Mix Accumulative Yards: 290/ <br />Truck No: 18 Ticket No: 1449703 Placement Method: Backhoe Bucket <br />Mix 4.D. No.: 1450.20 Sample Locations: Same <br />Water Added Onsite Before Test: 0 Gallons Placement Location: UG 288.289 Near North End <br />Water Added Onsite After Test: 0 Gallons <br />Field Test Data <br />Test Result <br />Slump, inches: 2y, <br />Air Content, %: <br />Concrete Temperature,o F: <br />Ambient Temperature, o F: <br />Plastic Unit Weight, pct: <br />Laboratory Test Data <br />2, <br />Specimen Diameter Area <br />ID {inches) (sq. inches) <br />A 6.00 28.27 <br />Specification Test Method <br />4 Max ASTM C-172 <br />2 - 5 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 />Te-sled (days) (Ibs) (psi) Type <br />10/16/2002 7 135,000 4,770 a <br />2 B 6.00 28.27 11/06!2002 28 148,000 5,230 a <br />2 C 6.00 28.27 11/06/2002 28 149,000 5,270 a <br />Average 5,250 <br />ervlces - e orm compressive strengt eterminatlons o test cylinders cast y of ers an ellvere to the la oratory. <br />T~ts were perormed in generzl accordance with applicable ASTM, AASHTO. or DOT test meihods. This report is exclusively for the use of the clieni <br />indicated above and shall not be reproduced except in toll without the wriitan approval of Terracon. Test results transmitted herein are only applicable <br />to'the actual samples tested at the location(s) referenced and are not necessarily indicative of the properties of other apparently similar or identical <br />materials. <br />Page 2 of 4 ~ ~~-~a~:~^~^^^ <br />