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Check new rafters under new loading condition. Use 2x4 #2 Hem -Fir. <br />Material weights (assumed): <br />Member properties: <br />w 2x4 <br />= 1.5 <br />new 2x4 overframing @ 16" oc (psf) <br />F b =1350 Span := 4.729 <br />w p1y2 <br />:=1.6 <br />new plywood sheathing (psf) <br />F cn := 405 span :=12•Span <br />w tch = <br />3.0 <br />new torch -down roofing (psf) <br />F v := 75 C D : =1.15 <br />wsno=25 <br />snow load (psf) <br />E :=1400000 <br />I : = 5.36 <br />S : = 3.06 <br />A : = 5.25 <br />w tot <br />: = w 2x4 + w ply21- w tch t wsno <br />w tot = 31.1 <br />M:=w <br />tot. Span2.1.5 <br />fb:=S <br />fb=341 F'b:=Fb•CD F'b=1553 <br />Span <br />3•wtot' <br />fv:= <br />2 <br />- <br />fv=21 <br />F'v:=FV.CD F'v=86 <br />2A <br />5 w tot span4 <br />Atot <br />= 384•E•I <br />Atot=0.047 <br />0�=1•I03 <br />tot <br />5 w sno span <br />All <br />12 <br />384•E•I <br />All=0,037 <br />span _ 3 <br />11 -2•]0 <br />Summary: Moment and shear check out OX The deflection check shows the system to be well within code <br />allowables (spanl240). <br />3 <br />Terry Metzker <br />16634 Juanita Dr NE Apt #01 F <br />Bothell, WA 98011 <br />CITY OF <br />�APpNAEGSU �R <br />yTE=B <br />