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M i. SIIJTLER D -- 0 9-S <br /> I dill M■ CONSULTING <br /> ar W M ENGINEERS,INC. 12503 Bei-Red Road,Suite 100,Bellevue,WA 98005*(425)450-4075 <br /> May 2.0,2022 Job#22-01.17A <br /> Ed Minsull <br /> Lance Mueller&Associates <br /> 130 Lakeside Ave., Suite 250 <br /> Seattle, WA 98122 <br /> Re; Slab at Pipe Racks <br /> UMC <br /> 1920 Merrill Creek Parkway <br /> Everett, WA 98203 <br /> Ed, <br /> I have reviewed the pipe racks that will be installed at this location. The intent is to place the racks on a <br /> new 6"concrete slab. <br /> There are three different racks—Type'`P' is 4'-0"x 5'-0"x 16'-0"tall,Type `T' is 3'-5"x 6'-0"x 8'-0" <br /> tall,and Type `U' is 6'-0"x 15'-0"x 12'-0"tall. Each rack support arm has three levels with a maximum <br /> of 2,000 lbs per level, for 6,000 lbs per rack support. <br /> The soil bearing at this location is assumed to be a minimum of 1500 psf,the concrete will be 4000 psi, <br /> reinforced with 6x6-W1.4/W 1.4 WWF,and the slab will extend a minimum of 2'-0"beyond the edges of <br /> the rack supports,except at the front where it will extend 6"to allow more room for the forklifts. The <br /> Type`P' will have a 7'-6"x 8'-0"x 0'-6"slab,the Type `T' will have a 5'-11"x 10'-0"x 0'-6" slab, and <br /> the Type`U' will have a 8'-6"x 19'-0"x 0'-6"slab. <br /> Based on the information provided, the concrete slab is adequate to support the loads. If you have any <br /> questions or need additional information,please give me a call. <br /> Sincerely, .'; „ <br /> } pp r, ,., <br /> 4.. �. A <br /> Jon Headland,PE SE <br /> Principal G <br /> ,c) <br /> rr <br />