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GENERAL OBSERVATION REPORT lirerracon <br /> Report Number: M7231375.0002 <br /> Service Date: 08/01/23 20225 Cedar Valley Rd Ste 110 <br /> Report Date: 08/02/23 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.: B2306-009 (Demo Wall) <br /> GENERAL INFORMATION <br /> Went through Boeing Security to get a badge enroute to site meeting with the owner's representative, David <br /> Duffy, KGM structural engineer, and the Washington Patriot Construction team. <br /> Site Meeting <br /> There has been some ground penetration radar work conducted to-date, and there are existing underground pipe <br /> lines in the mat footing blueprint. The location of the mat footing may be relocated. The structural engineer would <br /> like new sleeves installed at existing pipe work within the new mat footing blueprint. The existing concrete apron <br /> slab has not been excavated to-date. Boeing will contract with Terracon-MLT geotechnical division for foundation <br /> excavation observation. Discussed with engineer-of-record for adjusting reinforcing steel spacing between bars <br /> and at sleeve penetrations for one-bar-diameter minimum cover. <br /> Services: Special Inspections/Materials Testing <br /> Mayes/Terracon Rep.: Todd Wirtz <br /> Reported To: The Boeing Company <br /> Contractor: Washington Patriot Construction <br /> Report Distribution: <br /> (1)The Boeing Company,David Duffy (1)City of Everett WA,Permit Services <br /> (1)Mayes Testing Engineers,Inc,Donna (1)Mayes Testing Engineers,Inc,Todd Wirtz Reviewed By: <br /> Pollard — '--- <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 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 are not <br /> necessarily indicative of the properties of other apparently similar or identical materials. <br /> DM010,04-29-22 Rev.3 Page 1 of 1 <br />