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C,,ONCRETE COMPRE551VE STRENGTH TEST ~~L~«7C0~1 <br />Report Number: 23021028.0006 <br />Service Date: May 20, 2002 ~ 4172 Center Park Drive <br />Colorado Springs, Colorado 60916 <br /> (719) 597-2116 <br />CI' nt: Ames Construction epo a e: ay 20, 2002 <br />Attn: Eric Chiasson Project: Phase IV Pad <br />18450 E. 28th Ave Cripple Creek and- Victor Mine <br />Aurora CO 80011 Victor, Colorado <br /> Project Number:. 23021028 <br />Material Information Sample Information <br />Specified Strength: 4000 psi @ 28 Days Sample Time: 4:20. Date Cast: May 20, 2002 <br /> Technician: Jody Pieper <br />Batch Time: 3:55 WeatherConditipns: <br />Supplier: Transit Mix Accumulative Yards: 20/20 <br />Truck No: 24 Ticket No: 1460653 Placement Method: Direct Discharge <br />Mix I.D. No.: 1450.21 Sample Locations: 3' West & 5' South of NE corner <br />Water Added Onsite Before Test: 0 Gallons Placement Location: Underdrain Sump Pit @ ADR <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, %: 5.0 5-8 ASTM C-143 <br />Concrete Temperature, o F: 68 ASTM C-231 <br />Ambient Temperature, o F: 45 ASTM C-31 <br />Plastic Unit Weight, pcf: 143.4 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) (psi) Type <br />2 A 4.00 12.57 05/28/2002 8 53,500 4,260 c <br />2 B 4.00 12.57 06/17/2002 28 63,000 5,010 d <br />2 C 4.00 12.57 06/17/2002 28 66,500 5,290 a <br />Average 5,150 <br />ervtces - taln samp es o res concrete at t e p acement ocatlons, pe orm require le tests an cast compressive <br />strength samples. <br />Technician: Jody Pieper <br />Report Distribution: <br />2A C t tin <br />®®~~®~® <br />a O c d e f u <br />Fracture Types <br />The Terracon Companies, Inc <br />() mes ons ruc o Reviewed b <br />y. ~~_ <br />Thomas Rees <br />Construction Services Manager <br />Th .s were pertormed in general accordance with applicable ASTM, AASHTO, or DOT test methods. This report is exclusively for the use of the client <br />indicated above and shall not be reproduced except in full without the written 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 2 a,.~,+~+~ <br />