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BRAUN <br /> INTERTEC <br /> Compressive Strength of Concrete Cylinder Report Date: 12/12/11 <br /> Test Method: ASTM C39,4x8 Cylinder LIMS WO#: 1120407 <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: 12 Mix Design: 4364 <br /> Date Cast: 11/08/11 Supplier: Cemstone <br /> Time Cast: 8:30 am Specified Air(%): 6.5+/- 1.5 <br /> Date Received: 11/09/11 Specified Strength(psi): 3,500 <br /> Measured Slump(in.):(ASTM C 143) 3 Truck Number: 444 <br /> Measured Air(%): (ASTM C231) 6.3 Ticket Number: 2735892 <br /> Concrete Temp.(°F):(ASTM C 1064) 61 Cylinders per Set: 5 <br /> Air Temp. (°F): 35 Cylinders Cast By: Justin Kolander <br /> Liquid Added On Site: 10 GAL Water(per 5.00 cu.yds.) <br /> Placement Location: Paving,Sidewalk,Sidewalk NE of building ent. <br /> Sample Location/Notes: same as placement <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 /> 12-01 11/15/11 1 6 7 47,550 4.00 12.57 3,780 3 N D2 <br /> 12-02 12/6111 I 27 28 63,980 4.01 12.63 5,070 2 N E I <br /> 12-03 12/6/11 I 27 28 59,000 4.01 12.63 4,670 4 N E I <br /> 12-04 12/6/11 1 27 28 62,480 4.01 12.63 4,950 4 N E I <br /> * Concrete sampled in accordance with ASTM C 172 <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 /> � \ _ <br /> WI finYk \ \ <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 />