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CONCRETE OBSERVATION REPORT rerracon <br /> Report Number: M7231375.0005 <br /> Service Date: 09/23/23 20225 Cedar Valley Rd Ste 110 <br /> Report Date: 09/27/23 Lynnwood,WA 98036-6365 <br /> 425-742-9360 <br /> Client Project <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 /> Project Number: M7231375 <br /> Permit No.: B2305-038 (Foundation-Relocation) <br /> Reinforcing Steel <br /> Final reinforcing steel, smooth dowels and anchor bolts were verified on 09/18/23 and 09/22/23 for the (4) mat <br /> footing slabs on grid lines 11.5 and 12.5 from Ba to Bc. <br /> Concrete Placement <br /> Performed concrete sampling for the following: <br /> Element Location Yardage Supplier Mix ID Mix Description <br /> Mat footing slabs Grid lines 11.5 and 12.5 132 Miles Sand &Gravel 12500FG3 F'c of 5000 psi normal <br /> and Ba to Bc weight concrete <br /> Placement Method: Truck chute with concrete mechanically consolidated. <br /> Tests Performed <br /> Performed slump and temperature tests, which were in accordance with project specifications, and cast a set of <br /> (4) cylinders for lab-curing and compressive strength testing. <br /> Compliance Statement <br /> Based on our observations, cast-in-place concrete construction activities at the above-referenced locations <br /> appeared to be completed in general accordance with the project plans and specifications. <br /> Services: Special Inspections/Materials Testing <br /> Mayes/Terracon Rep.: Todd Wirtz <br /> Reported To: Washington Patriot Construction <br /> Contractor: Washington Patriot Construction <br /> Report Distribution: <br /> (1)The Boeing Company,David Duffy (1)Mayes Testing Engineers,Inc, <br /> (1)Mayes Testing Engineers,Inc, Donna Pollard Reviewed By: <br /> Todd Wirtz - <br /> Barry Tuttle <br /> Project Field Manager <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 <br /> indicated above and shall not be reproduced except in full without the written consent of our company. Test results transmitted herein are only applicable to <br /> the actual samples tested at the location(s)referenced and are not necessarily indicative of the properties of other apparently similar or identical materials. <br /> CT0001,10-16-13,Rev.10 Page 1 of 1 <br />