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WIND ZONES BIRCH 1511 PROJECT <br /> LATERAL DESIGN <br />PsA 16psf:=Zone A <br />PsD 8psf:=Zone D <br />________________________________________________________________________________________ <br /> SEISMIC @ ROOF LEVEL ON LINE ( E ) <br />Vroof 4.93 psf= <br />VS Vroof 20 ft18.5 ft <br />2 <br />:=VS 912 lb=- - CONTROLS - - <br /> WIND <br /> Tributary Width <br /> Between Supports Zone A (wall) Zone D (roof) <br />PsA 16 psf=Hw 8 ft=PsD 8 psf=Hr 4 ft=W 18.5ft 0ft+:= <br />VW PsA <br />Hw <br />2 <br /> <br />PsD Hr( )+ <br /> <br />W <br />2 <br /> <br />:=VW 888 lb= <br /> SHEARWALL DESIGN <br />Lw 4ft 0ft+:=Lw 4 ft= <br />VS 912 lb= Seismic controls <br />υs <br />VS <br />Lw <br />:=υs 228.01 lb <br />ft=< 320 lb/ft USE S.W. = 2 <br /> OVERTURNING Lmin 4ft:=H 8ft:=SDS 1.028= <br />OTM υs( )Lmin( )H( ):=OTM 7296.4 lb ft= <br />Wall <br />RM 12psf H( ) <br />Lmin( )2 <br />2:=RM 768 lb ft= <br />USE SIMPSON "HDU2" <br />HOLDOWNT <br />OTM 0.9 0.2SDS-()RM- <br />Lmin <br />:=T 1690.78 lb= <br /> ANCHOR BOLTS :> USE 5/8" f X L= 12" @ 32" O.C. <br />________________________________________________________________________________________ <br />14/26