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CONCRETE COMPRESSIVE STRENGTH TEST REPORT <br /> Report Number: M7231375.0005A a Terracon <br /> Service Date: 09/23/23 20225 Cedar Valley Rd Ste 110 <br /> Report Date: 10/23/23 Revision 2 - 28-day results Lynnwood, WA 98036-6365 <br /> Task: 425-742-9360 <br /> Client Project - M7231375 <br /> The Boeing Company Boeing Everett Bldg 40-31 Prit Prat Relocation <br /> Attn: David Duffy 3003 W Casino Rd <br /> 3003 W Casino Rd Everett, WA <br /> Everett, WA 98204-1910 <br /> Permit No.: B2305-038 (Foundation-Relocation) <br /> Material Information Sample Information <br /> Specified Strength: 5,000 psi @ 28 days Sample Date: 09/23/23 Sample Time: 0725 <br /> Sampled By: Todd Wirtz <br /> Mix ID: 12500FG3 Weather Conditions: Inside heated building <br /> Supplier: Miles Sand &Gravel Accumulative Yards: 10.75 Batch Size (cy): 10.75 <br /> Batch Time: 0625 Plant: 125 Placement Method: Chute <br /> Truck No.: 1188 Ticket No.: 1063933 Water Added Before (gal): 5 <br /> Water Added After(gal): 0 <br /> Field Test Data Sample Location: Mat foundation footing slabs (4 total) at <br /> Test Result Specification grids 11.5 and 12.5 and between Ba and <br /> Slump (in): 4 Bc <br /> Air Content(%): Placement Location: Mat foundation footing slabs (4 total) on <br /> Concrete Temp. (F): 73 50 - 90 grids 11.5 and 12.5 and between Ba and <br /> Bc <br /> Ambient Temp. (F): 75 Sample Description: 4-inch diameter cylinders <br /> Plastic Unit Wt. (pcf): <br /> Yield (Cu.Yds.): <br /> Laboratory Test Data <br /> Age at Max Comp <br /> Set Spec Cyl. Avg Diam. Area Date Date Test Load Strength Frac Tested <br /> No. ID Cond. (in) (sq in) Received Tested (days) (lbs) (psi) Type By <br /> 1 1 Good 3.99 12.5 09/25/23 09/30/23 7 58,630 4,690 2 JBD <br /> 1 2 Good 3.99 12.5 09/25/23 10/07/23 14 64,030 5,120 2 JBD <br /> 1 3 Good 3.99 12.5 09/25/23 10/21/23 28 78,130 6,250 2 JBD <br /> 1 4 Good 3.99 12.5 09/25/23 10/21/23 28 77,920 6,230 2 JBD <br /> Average (28 days) 6,240 <br /> Initial Cure: Inside Final Cure: Moist Room <br /> Comments: Average compressive strength of 28 day cylinders complies with the specified strength. Not tested for plastic unit <br /> weight. <br /> Samples Made By: Mayes/Terracon <br /> Services: Special Inspections/ Materials Testing <br /> Mayes/Terracon Rep.: Todd Wirtz <br /> Reported To: The Boeing Company <br /> Contractor: Unknown at this point <br /> Report Distribution: <br /> (1)The Boeing Company,David Duffy (1)Mayes Testing Engineers,Inc,Donna Reviewed By: <br /> Pollard Barry Tuttle <br /> (1)Mayes Testing Engineers,Inc,Todd Wirtz <br /> Project Field Manager <br /> Test Methods: ASTM C 31,ASTM C39,ASTM C138,ASTM C143,ASTM C172,ASTM C231,ASTM C1064,ASTM C1231 <br /> The tests were performed in general accordance with applicable ASTM,AASHTO,or DOT test methods. This report is exclusively for the use of the client indicated above and shall not be <br /> reproduced except in full without the written consent of our company. Test results transmitted herein are only applicable to the actual samples tested at the location(s)referenced and <br /> are not necessarily indicative of the properties of other apparently similar or identical materials. <br /> CRoo01,3-31-22,Rev.7 Page 1 of 1 <br />