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BRAUN <br /> INTERTEC <br /> Compressive Strength of Concrete Cylinder Report Date: 12/12/11 <br /> LIMS WO#: 1120275 <br /> Test Method: ASTM C39,4x8 Cylinder <br /> Client: Jim Beckwith Project: BL-11-010 I 4A <br /> Kraus-Anderson Construction Company Orono Senior Housing Facility li <br /> 525 S 8th St Highway 12 and Luce Line Trail <br /> Minneapolis,MN 55404-1077 Orono,MN 55391 <br /> Field Test Conditions and Results ASTM C31* <br /> Set Number: 11 Mix Design: 4364 <br /> Date Cast: 11/07/11 Supplier: Cemstone <br /> Time Cast: 8:54 am Specified Air(%): 6.5+/- 1.5 <br /> Date Received: 11/08/11 Specified Strength(psi): 3,500 <br /> Measured Slump(in.):(ASTM C143) 4 Truck Number: 773 <br /> Measured Air(%): (ASTM C231) 7.4 Ticket Number: 2735060 <br /> Concrete Temp.(°F):(ASTM C 1064) 66 Cylinders per Set: 5 <br /> Air Temp. (°F): 38 Cylinders Cast By: Justin Kolander <br /> Liquid Added On Site: None <br /> Placement Location: Paving,Curb&Gutter,West and South sides if center parking lot area <br /> Sample Location/Notes: west curb of center lot area <br /> Compression Test Results <br /> Field Lab Test Max. Cylinder Cylinder <br /> Break Cure Cure Age Load Diameter Area Strength Fracture Capping Remarks <br /> Sample No. Date (days) (days) (days) (pounds) (in.) (sq.in.) (psi) Type Method** Code(s) <br /> 11-01 11/14/11 1 6 7 39,730 4.00 12.57 3,160 4 N B2 , <br /> 11-02 12/5/11 1 27 28 55,210 4.02 12.69 4,350 4 N EI <br /> 11-03 12/5/11 1 27 28 55,060 4.02 12.69 4,340 4 N EI <br /> 11-04 12/5/11 1 27 28 56,920 4.02 12.69 4,480 4 N EI I <br /> * Concrete sampled in accordance with ASTM C 172 <br /> **Capping Method:N=ASTM C1231,Unbonded Caps S=ASTM C617,Sulfur Caps <br /> Break Remarks: <br /> B2 The 7 day test result projects that the specified strength will likely be met at 28 days according to a typical <br /> age-strength relationship. <br /> E I The average 28 day test result meets or exceeds the specified strength. <br /> Types of Fracture <br /> ) 1\1( \\ \ / 7 _ <br /> X ZN _ <br /> TYPE 1 TYPE 2 TYPE 3 TYPE 4 TYPE 5 TYPE 6 McCarter,Brad <br /> I approve the document Dec 12 2011 <br /> ver 1.3c Page 1 of 1 <br /> • <br />