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Structural Design f ssociates <br /> /fr~ineerirt,Structures.to aryl. <br /> February 6,2020 2 <br /> ?cio/- eti.3 <br /> Top Level Contracting /907'/A <br /> Attn: Josh Peters <br /> CAT <br /> Subject:Notched Joist at 712 33`d St, Everett, WA 98203 geMifi <br /> SDA Job#8904 <br /> Dear Josh, <br /> At your request,this office reviewed the subject project for notched joist at plumbing. <br /> The notches floor joist is 2x10 DF#2,spaced at 16-inches on center.A 4-inch x 4-inch,(4"x4"), <br /> and a 3" x 3"notch is located at 8-inches and 3'-8"respectively from the support.The attached <br /> calculations show that shear and bending remain adequate for this location,and no modifications <br /> are required. <br /> A 4"wide x 8"deep not occurs at 4'-10" from the support. This joist fails.A new joist must be <br /> installed adjacent to the cut joist. A solid 15/32 plywood filler will be required for clearance. <br /> Nail the plywood to the existing joist with 8d a3 12"o/c,(staggered). Nail the new 2x10 DF#2 to <br /> the cut joist with 16d(c, 12"o/c (staggered). <br /> Please contact this office if there are any questions concerning this letter,or for further <br /> assistance. <br /> Sin <br /> c4Vrjr <br /> wAst� <br /> (. iris Covilt tcrtt P.E. t �Q <br /> • <br /> FEB 0 6 2020 <br /> 3006 Rucker A < trait.\t":\ 9X201 Ph:=123 >39 0293 1 a : 423 252.0916 <br /> ww,ti .strucdc s.com <br />