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Home My WebLink About51 BRAUN INTERTEC Letter of Transmittal 51 The Science You Build On. Client: Stillwater Area Public Schools Project No: B1602671 Project: Stillwater High School Renovations and Additions Date: July 05, 2017 Braun Intertec Corporation 11001 Hampshire Ave. S. Bloomington, MN 55438 To: Kristen Hoheisel Phone: 651-351-3840 Stillwater Area Public Schools Email: hoheiselk@stillwaterschools.org Independent School District#834 1875 Greeley St S Stillwater, MN 55082 Re: Stillwater BLVD N, Oak Park Heights, MN Documents Sent Comments Concrete Tests Sets 140-142 (28-Day Break) Copy List Jared Olson, BKBM Engineers Jack Bronczyk, Kraus-Anderson Construction Company Daniel Martin, Braun Intertec Corporation Jeff Moore, Kraus-Anderson Construction Company Steven Martin, Braun Intertec Corporation Laurie Fronk, Kraus-Anderson Construction Company Aaron Fields, BWBR Architects, Inc. Randy LaFaive, Market&Johnson Michael Smunty, BWBR Architects, Inc. Julie Hultman,City of Oak Park Heights Dustin Phillips, Kraus-Anderson Construction Company Contact Information: Sent By: Sarah Madsen Email: smadsen@braunintertec.com Phone: Rev:05/05/2014 Providing engineering and environmental solutions since 1957 BRAUN Compressive Strength of Concrete Report Date:6/28/2017 INTERTEC Test Method:ASTM C39 Sample: 146974 The smeuee You Build On 1826 Buerkle Road Client: Project: Saint Paul, MN 55110 Stillwater Area Public Schools B1602671 Phone:651-487-3245 1381 North Rice Street Stillwater High School Renovations and Additions St Paul,MN 55117 Stillwater BLVD N Oak Park Heights,MN Sample Details Set#: 140 Technician: Rous,Derrick Batched: Specimen Size: 4"X 8" Cast By: Rous,Derrick Sampled: 07:40 CDT Specimens In Set: 5 Date Cast: 05/30/17 Cast: 07:55 CDT Truck/Ticket#: 858/4057298 Sampled From: Chute Truck Empty: Contractor: Curb Masters Placement Method: Buggy Placement Time: Location Placement Location: Paving-Sidewalk Location Details: Colored slab ends along west edge of new builing addition. Sample Location/Notes: Slab end Northeast of archway,next to new building addition. Batch Log Specifications Supplier: Gemstone Mix Design: 3A3268 Strength: 4500(psi) Plant: 1 Childs Road St.Paul, Air: 4.5-7.5(%) MN On-Site Admixtures: None Field Measurements Weather: Cloudy Slump(in): 4-1/4(ASTM C143) Plastic Unit Weight: Air Temperature(F): 52 Concrete Temp(F): 68(ASTM C1064) Air Content: 9.5(ASTM C231) Load Volume: 8(yd3) Lab Test Results Testing Lab: Bloomington, 11001 Hampshire Ave S,Bloomington, MN,55438 Specimen Test Test Field/Lab Average Cylinder Cylinder Max Load Strength Fracture Break Capping Number Age Days Date Cure Days Diameter(in) Area(in,) (lbs) (psi) Type Remark Method 140-1 7 06/06/17 1/6 4.00 12.57 36,880 2,930 5 1A N 140-2 28 06/27/17 1 /27 4.00 12.57 58,990 4,690 3 1B N 140-3 28 06/27/17 1 /27 4.00 12.57 58,340 4,640 2 1B N 140-4 28 06/27/17 _ 1 /27 4.00 12.57 59,480 4,730 3 1B N 140-5 35 H 07/04/17 1 /34 Test Age Average Strengths(psi):7 Day-2930,28 Day-4690 Break Remarks Capping Methods 1A:The test result is for informational purposes. N:ASTM C1231,Unbonded Caps 1 B:The result meets or exceeds the specified compressive strength. X ,\ \ / / \ TYPE 1 TYPE 2 TYPE 3 TYPE 4 TYPE 5 TYPE 6 Steve Martin 06/28/2017 Page 1 of 1 BRAUN Compressive Strength of Concrete Report Date:6/28/2017 p g Sample: 147141 INTERTEC Test Method:ASTM C39 The Science You Build On. 1826 Buerkle Road Client: Project: Saint Paul,MN 55110 Stillwater Area Public Schools B1602671 Phone:651-487-3245 1381 North Rice Street Stillwater High School Renovations and Additions St Paul,MN 55117 Stillwater BLVD N Oak Park Heights,MN Sample Details Set#: 141 Technician: Rous,Derrick Batched: Specimen Size: 4"X 8" Cast By: Rous,Derrick Sampled: 07:45 CDT Specimens In Set: 5 Date Cast: 05/31/17 Cast: 08:00 CDT Truck/Ticket#: 829/4058769 Sampled From: Chute Truck Empty: Contractor: Curbmasters Placement Method: Chute Placement Time: Location Placement Location: Paving-Sidewalk Location Details: Outside colored strips, North of Northwest entrance of new building addition. Sample Location/Notes: Southeast corner of East strip,closest to entrance of new building addition Batch Log Specifications Supplier: Gemstone Mix Design: 3A3268 Strength: 4500(psi) Plant: 1 Childs Road St.Paul, Air: 4.5-7.5(%) MN On-Site Admixtures: None Field Measurements Weather: Clear Slump(in): 4(ASTM C143) Plastic Unit Weight: Air Temperature(F): 50 Concrete Temp(F): 65(ASTM C1064) Air Content: 6.7(ASTM C231) Load Volume: 8(yd3) Lab Test Results Testing Lab: Bloomington,11001 Hampshire Ave S,Bloomington,MN,55438 Specimen Test Test Field/Lab Average Cylinder Cylinder Max Load Strength Fracture Break Capping Number Age Days Date Cure Days Diameter(in) Area(in2) (lbs) (psi) Type Remark Method 141-1 7 06/07/17 1 /6 4.01 12.63 50,140 3,970 5 _ 1A N 141-2 28 06/28/17 1 /27 4.00 12.57 72,260 5,750 2 1B N 141-3 28 06/28/17 1 /27 4.00 12.57 69,060 5,490 2 1B N 141-4 28 06/28/17 1 /27 4.00 12.57 70,220 5,590 _ 3 1B N 141-5 35 H 07/05/17 1 /34 Test Age Average Strengths(psi):7 Day-3970,28 Day-5610 Break Remarks Capping Methods 1A:The test result is for informational purposes. N:ASTM C1231,Unbonded Caps 1B:The result meets or exceeds the specifiedficompressive strength. X \ / / TYPE 1 TYPE 2 TYPE 3 TYPE 4 TYPE 5 TYPE 6 Steve Martin 06/28/2017 Page 1 of 1 BRAUN Compressive Strength of Concrete Report Date:6/30/2017 INTERTEC Test Method:ASTM C39 Sample: 147343 The Science You Budd On. 1826 Buerkle Road Client: Project: Saint Paul,MN 55110 Stillwater Area Public Schools B1602671 Phone:651-487-3245 1381 North Rice Street Stillwater High School Renovations and Additions St Paul,MN 55117 Stillwater BLVD N Oak Park Heights,MN Sample Details Set#: 142 Technician: Rous,Derrick Batched: Specimen Size: 4"X 8" Cast By: Rous,Derrick Sampled: 07:45 CDT Specimens In Set: 5 Date Cast: 06/01/17 Cast: 08:00 CDT Truck/Ticket#: 875/4060664 Sampled From: Chute Truck Empty: Contractor: Curb Masters Placement Method: Chute Placement Time: Location Placement Location: Paving-Sidewalk Location Details: Center strip at entrance of North West corner of new building edition. Sample Location/Notes: South East corner of center strip. Batch Log Specifications Supplier: Cemstone Mix Design: 3A3268 Strength: 4500(psi) Plant: 1 Childs Road St.Paul, Air: 4.5-7.5(%) MN On-Site Admixtures: None Field Measurements Weather: clear Slump(in): 3-1/2(ASTM C143) Plastic Unit Weight: Air Temperature(F): 60 Concrete Temp(F): 68(ASTM C1064) Air Content: 6.8(ASTM C231) Load Volume: 11 (yd3) Lab Test Results Testing Lab: Bloomington,11001 Hampshire Ave S,Bloomington, MN,55438 Specimen Test Test Field/Lab Average Cylinder Cylinder Max Load Strength Fracture Break Capping Number Age Days Date Cure Days Diameter(in) Area(in2) (lbs) (psi) Type Remark Method 142-1 7 06/08/17 1/6 4.00 12.57 56,930 _ 4,530 1 1A N 142-2 28 06/29/17 1 /27 4.00 12.57 73,540 5,850 3 1B N 142-3 28 06/29/17 1 /27 4.00 12.57 75,630 6,020 5 1B N 142-4 28 06/29/17 1 /27 4.00 12.57 75,950 6,040 3 1B N 142-5 35 H 07/06/17 1 /34 Test Age Average Strengths(psi):7 Day-4530,28 Day-5970 Break Remarks Capping Methods 1A:The test result is for informational purposes. N:ASTM C1231,Unbonded Caps 1 B:The result meets or exceeds the specified compressive strength. X 2\ \A\ \ / 7 TYPE 1 TYPE 2 TYPE 3 TYPE 4 TYPE 5 TYPE 6 Steve Martin 06/30/2017 Page 1 of 1