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CONCRETE COMPRESSIVE STRENGTH TEST REPORT MAYES I lrerracon <br />Report Number: M7221540.0002 <br />Service Date: 08/05/22 20225 Cedar Valley Rd Ste 110 <br />Report Date: 09/06/22 Revision 1 - 28-day results Lynnwood, WA 98036-6365 <br />425-742-9360 <br />Client Project <br />Corti Construction, Inc Bezos Academy Everett <br />Attn: Ted Spicer 3201 Smith Ave <br />4024 148th Ave NE Everett, WA 98201 <br />Redmond, WA 98052 <br />Project Number: M7221540 <br />Permit No.: B2206-063 <br />GENERAL INFORMATION <br />Corti requested Mayes/Terracon be on site for concrete sampling for the slab -on -grade, which is being constructed <br />by Corti. Mayes/Terracon representative arrived on site at 1230 and departed at 1500. <br />REINFORCING STEEL <br />Inspected the reinforcing steel prior to concrete placement. <br />CONCRETE PLACEMENT <br />Performed concrete sampling for the following: <br />Element <br />Slab -on -grade I Infills <br />air -entrained concrete <br />Placement Method: Line Pump <br />TESTS PERFORMED <br />The following tests were performed and were in accordance with project specifications: Slump, Air Content, <br />Temperature. <br />Cast a set of (4) cylinders for lab -curing and compressive strength testing. <br />ADDITIONAL COMMENTS <br />Reinforcing steel installed per notes S2.01 and SSK01-03. <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.: Barry Tuttle <br />Reported To: Corti <br />Contractor: Corti <br />Report Distribution: <br />(1) Corti Construction, Inc, Ted Spicer (1) City of Everett WA, Permit Services <br />(1) Mayes Testing Engineers, Inc, (1) Mayes Testing Engineers, Inc, Reviewed By: <br />Donna Pollard Todd Wirtz <br />(1) Smokey Point Concrete Inc, Jasper Barry Tuttle <br />Smith <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 />