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CONCRETE COMPRESSIVE STRENGTH TEST 11'err~con <br />Report Number: 23021028.0046 <br />Service Date: September 23, 2002 4172 Center Park Drive <br />Colorado Springs, Colorado 80916 <br />(719) 597-2115 <br />Client: Ames Construction Report Date: September 23, 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 />Material Information <br />Specified Strength: 4500 psi @ 28 Days <br />Batch Time: 5:11 <br />Supplier: Transit Mix <br />Truck No: 18 <br />Mix I.D. No.: 14502010 <br />Water Added Onsite Before Test. <br />W ater Added Onsite After Test: <br />Field Test Data <br />Test <br />Ticket No: <br />0 Gallons <br />0 Gallons <br />Result <br />Slump, inches: 5 <br />Air Content, %: 1.3 <br />Concrete Temperature,° F: 66 <br />Ambient Temperature, ~ F: 45 <br />Plastic Unit W eight, pcf: 146.0 <br />Laboratory Test Data <br />Specimen <br />ID <br />1 q <br />Diameter Area <br />(inches) (sq.inches) <br />4.00 12.57 <br />1 g <br />1 C <br />Sample Information <br />Sample Time: 7:40 Date Cast: September 23, 2002 <br />Technician: Steve Ludden <br />Weather Conditions: Sunny <br />Accumulative Yards: 10/200 <br />Placement Method: Direct Discharge <br />Sample Locations: Same <br />Placement Location: Concrete Plugs <br />Specification <br />2-5 <br />N/A <br />Test Method <br />ASTM C-172 <br />ASTM C-143 <br />ASTM C-231 <br />ASTM C-31 <br />ASTM C-1064 <br /> <br />Date <br />Tested Age at <br />Test <br />(days) Maximum <br />Load <br />(Ibs) Compressive <br />Strength <br />(Psi) <br />Fracture <br />Type <br />09/30/2002 7 58,500 4,650 a <br />10/21/2002 28 75,000 5,970 a <br />10/21/2002 28 74,000 5,890 a <br /> Average. 5,930 <br />- Obtain samples of fresh concrete at the placement locations, perform required field tests and cast comp <br />strength samples. <br />• <br />tests were performed in general accordance with applicable ASTM, AASHTO, or DOT test methods. This report is exclusively for the use of the client <br />ated above and shall not be reproduced except in full without the written approval of Terracon. Test results t2nsmitted herein are only applicable <br />e actual samples tested at the IecaGon(s) referenced and are not necessarily indicafive of the properties of other apparently similar or identical <br />4.00 12.57 <br />4.00 12.57 <br />Page 1 of 4 m.~.~:,..•.^ <br />