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BRAUN <br /> INTERTEC <br /> Compressive Strength of Concrete Cylinder Report Date: 12/12/11 <br /> LIMS WO#: 1115898 <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 55404-1077 Orono,MN 55391 <br /> Field Test Conditions and Results ASTM C31* <br /> Set Number: 7 Mix Design: 4167 <br /> Date Cast: 09/27/11 Supplier: Cemstone <br /> Time Cast: 9:00 am Specified Air(%): Not Required <br /> Date Received: 09/28/11 Specified Strength(psi): 4,000 <br /> Measured Slump(in.):(ASTM C143) 5 1/2 Truck Number: 2 <br /> Measured Air(%): (ASTM C231) 2.0 Ticket Number: Not Given <br /> Concrete Temp.(°F):(ASTM C 1064) 69 Cylinders per Set: 5 <br /> Air Temp. (°F): 55 Cylinders Cast By: Maki,Brett S <br /> Liquid Added On Site: None <br /> Placement Location: Building Interior,Slab on Grade,Area B <br /> Sample Location/Notes: SW Corner <br /> Compression Test Results <br /> • <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 /> 7-01 10/4/11 1 6 7 56,840 4.02 12.69 4,480 4 N D2 <br /> 7-02 10/25/11 1 27 28 81,500 4.02 12.69 6,420 4 N E1 <br /> 7-03 10/25/11 1 27 28 81,870 4.02 12.69 6,450 4 N E I <br /> 7-04 10/25/11 1 27 28 80,780 4.02 12.69 6,360 4 N E 1 <br /> * Concrete sampled in accordance with ASTM C172 <br /> **Capping Method:N=ASTM C 1231,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 /> El The average 28 day test result meets or exceeds the specified strength. <br /> Types of Fracture <br /> X4\ \ / / \ <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 />