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CONCRETE COMPRESSIVE STRENGTH TEST <br />Repor' tJumber: 23021028.0033 <br />Service Date: July 13, 2002 <br />lf~rracon <br />4172 Center Park Drive <br />Colorado Springs, Colorado 80976 <br />(719) 597-2716 <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 Sample Information <br />Specified Strength: 4000 psi @ 28 Days Sample Time: 1:10 Date Cast July 13, 2002 <br /> Technician: Jody B. Pieper <br />Batch Time: 10:50 Weather Conditions: Sunny <br />Supplier: Transit Mix Accumulative Yards: 8/8 <br />Truck No: 42 Ticket No: 273684 Placement Method: Bucket <br />Mix I.D. No.: 14502110 Sample Locations: 2' South of NE corner of wing <br />Water Added Onsite Before Test: 0 Gallons Placement Location: 42" CSP Inlet Wing Walls <br />Water Added Onsite After Test <br />Field Test 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 />Laborato Test Data <br />5 Gallons <br />Result Specification Test Method <br />2Y< 2-5 <br />3.7 3.5-6.5 <br />85 <br />80 <br />143.1 <br /> Specimen Diameter Area <br />P ID (inches) (sq. inches) <br />1 A 4.00 12.57 <br />1 B 4.00 12.57 <br />1 C 4.00 12.57 <br />1 D 4.00 12.57 <br />Date <br />Tested <br />07/17/2002 <br />07/22/2002 <br />08/12/2002 <br />08/12/2002 <br />ASTM C-172 <br />ASTM C-143 <br />ASTM C-231 <br />ASTM C-31 <br />ASTM C-1064 <br />Age at Maximum Compressive <br />Test Load Strength Fracture <br />(days) (Ibs) (Psi) Type <br />4 45,000 3,580 c <br />g 54,000 4,300 a <br />30 63,500 5,050 a <br />30 62,000 4,930 a <br />Average 4,990 <br />~ervtces - tarn samp es o res concrete at t e p acement ecatlons, pa orm requre~ ne Tests ana cast compressive <br />strength samples. <br />echnician: Jody B. Pieper <br />eport Distribution: <br />Ames Construc°an <br />®®®~®;~ <br />a 6 e d f ~ <br />F r a e t u r e Type s <br />The Terracon Companies, Inc <br />• Reviewed by: T~y~_` <br />Thomas Rees <br />Construction Services Manager <br />e tc_._ were peAOrmed in general accordance with applicable ASTM, AASHTO, or DOT test methods. This report is exclusively for the use of the client <br />licated above and shall not be reproduced except in full without the written approval of Terracon. 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 />iterials. <br />Page i of t ,,.^°~~°°°~•^ <br />