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BRAUN <br /> INTERTEC <br /> Compressive Strength of Concrete Cylinder Report Date: 11/2/11 <br /> LIMS WO#: 1116537 <br /> Test Method: ASTM C39,4x8 Cylinder <br /> Client: Jim Beckwith Project: BL-11-01014A <br /> Kraus-Anderson Construction Company Orono Senior Housing Facility <br /> 525 S 8th St Highway 12 and Luce Line Trail <br /> Minneapolis,MN 5 5404-1 077 Orono,MN 55391 <br /> Field Test Conditions and Results ASTM C31* <br /> Set Number: 9 Mix Design: 4167 <br /> Date Cast: 09/30/11 Supplier: Cemstone <br /> Time Cast: 7:30 am Specified Air(%): Not Required <br /> Date Received: 10/04/11 Specified Strength(psi): 4,000 <br /> Measured Slump(in.):(ASTM C143) 6 Truck Number: I <br /> Measured Air(%): (ASTM C231) 2.0 Ticket Number: Not Given <br /> Concrete Temp.(°F):(ASTM C 1064) 68 Cylinders per Set: 5 <br /> Air Temp. (°F): 56 Cylinders Cast By: Maki,Brett S <br /> Liquid Added On Site: None <br /> Placement Location: Building Interior,Slab on Grade,Area A North Half <br /> Sample Location/Notes: SW Corner of North half <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 /> 9-01 10/7/11 4 3 7 53,850 4.02 12.69 4,240 4 N D2 <br /> 9-02 10/28/11 4 24 28 79,080 4.02 12.69 6,230 4 N EI <br /> 9-03 10/28/11 4 24 28 77,560 4.02 12.69 6,110 4 N E I <br /> 9-04 10/28/11 4 24 28 78,280 4.02 12.69 6,170 4 N EI <br /> * Concrete sampled in accordance with ASTM C172 <br /> **Capping Method:N=ASTM C1231,Unbonded Caps S=ASTM C617,Sulfur Caps <br /> Break Remarks: <br /> D2 The 7 day test result meets or exceeds the 28 day specified strength. <br /> E I The average 28 day test result meets or exceeds the specified strength. <br /> Types of Fracture <br /> X \ 7 / \ <br /> I- <br /> TYPE 1 TYPE 2 TYPE 3 TYPE 4 TYPE 5 TYPE 6 McCarter,Brad <br /> I approve the document Nov 02 2011 <br /> ver 1 3c Page 1 of 1 <br />