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BRAUN <br /> INTERTEC <br /> Compressive Strength of Concrete Cylinder Report Date: 12/30/11 <br /> LIMS WO#: 1121724 <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: 13 Mix Design: 4364 <br /> Date Cast: 11/23/11 Supplier: Cemstone <br /> Time Cast: 9:04 am Specified Air(%): 6.0+1- 1.0 <br /> Date Received: 11/28/11 Specified Strength(psi): 4,000 <br /> Measured Slump(in.):(ASTM C143) 2 3/4 Truck Number: 693 <br /> Measured Air(%): (ASTM C23 I) 5.0 Ticket Number: 2744205 <br /> Concrete Temp.(°F):(ASTM C 1064) 64 Cylinders per Set: 5 <br /> Air Temp. (°F): 33 Cylinders Cast By: Taylor,Reece <br /> Liquid Added On Site: None <br /> Placement Location: Building Exterior,Slab on Grade--Sidewalk,Patio located on west side of building.(Plan North) <br /> Sample Location/Notes: Sampled after 5 yds were dispensed 13'W of Club Room 109.(Plan North) <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 /> 13-01 11/30/11 5 2 7 36,170 4.01 12.63 2,860 5 N B2 <br /> 13-02 12/21/11 5 23 28 67,250 4.02 12.66 5,310 5 N EI <br /> 13-03 12/21/11 5 23 28 63,650 4.02 12.66 5,030 5 N EI <br /> 13-04 12/21/11 5 23 28 65,150 4.02 12.66 5,150 5 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 /> 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 /> El The average 28 day test result meets or exceeds the specified strength. <br /> Types of Fracture <br /> X z\ ,ick\\ \ 7 7 \ <br /> TYPE 1 TYPE 2 TYPE 3 TYPE 4 TYPE 5 TYPE 6 McCarter,Brad <br /> I approve the document Dec 30 2011 <br /> ver 1.3c Page 1 of 1 <br />