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't'(Vumber.-;23021028.0054 <br />:e Date: ,~_ December.l8, 2002 <br />31~~~rY Amos Canstruc'fjon . ,: <br />~~ Attn: Eric Chiasson <br />-18450 E. 28th Ave <br />Aurora CO 80011 <br />Naferial Informafion <br />pecifred Strength: 4000 psi @ 28 Days <br />etch Time: 5:20 <br />upplier: Transit Mix . <br />ruck No: 18 Ticket No:~.132242 <br />fix LD. No.: 14502010 <br />IaterAdded Onsite Before Test: 0 Gal(gns <br />later Added Onsite After Test: 0 Gallons <br />~ield Test Data <br />Test <br />ilump, inches: <br />(ir Content, %: <br />'.oncrete Temperciere,a F: <br />vnbient Temperature, a F: <br />'1a~±~~ Unit Weight, pcf: <br />~`'' <br />to Test Data <br />Result <br />2Y= <br />N/A <br />N/A <br />12 <br />NIA <br />Set Specimen Diameter Area <br />ID (inches) (sq. inches) <br />1 A 4.00 12.57 <br />Test Method <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 />Date Test Load Strength Fracture <br />Tested (days) (Ibs) _ (psQ Type <br />12/26!2002 8 58,890 4,690 c <br />1 g 4.00 12.57 01/02/2003 15 66,100 5,260 c <br />1 C 4.00 12.57 01/15/2003 28 71,170 5,660 a <br />1 D 4.00 12.57 01/15/2003 28 72,050 5,730 a <br />Average 5,700 <br />rvices -Perform compressive strength determinations of test cylinders cast by others and aelivered to the laboratory. <br />~~ i <br />esfs were performed in general accordance with applicable ASTM, AASHTO, or DOT test methods. This report is exGUSively for the use of the client <br />ted above and shall not be reproduced except in full without the written approval of Tertacon. Test results transmitted herein are only applicable <br />actual samples tested at the location(s) referenced and are not necessarily indicative of the properties of other apparently similar or identical <br />'afs. <br />Page 1 of 4 :,-~,,.5.~..n <br />iec~ a s~~.,aata ;F <br />4172 Center Park Drive - <br />Colowdo Springs, Colorado 80916 <br />(719) 597-2116 ~ ..:. - <br />Repart Date: ~ December 18, 2002 <br />Project: PHASE IV Pad ~J <br />Cripple Creek and Victor Mine <br />Victor, CO <br />Project Number: 23021028 <br />SamAle Informafion . - <br />Sample Time: 7:40 Date Cast: December 18, 2002 <br />Technician: Contractor <br />Weather Conditions: <br />Accumulative Yards: 10 <br />Placement Method:. Bucket <br />Sample Locations: Same <br />Placement Location: UG 499 <br />Specification <br />2-5 <br />N/A <br />