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HNLehtinen <br /> Engineering <br /> 4120 Hoyt Ave. <br /> Everett, WA 98203 <br /> (425) 252-2373 <br /> LATERAL BRACING DESIGN <br /> 111 <br /> . . - <br /> F-- F. -/ <br /> 401) <br /> WIND: 110 MPH <br /> EXP. " g" <br /> / V(mph) 110 <br /> h(ft.), UB 0.5 1 2 <br /> 50' 23.1 23.1 20.2 <br /> ( -b-r--- S 19.3 19.3 16.3 <br /> F_ /� ` 40 1 21.5 21.5 18.6 <br /> �--/ F . _ 18.8 18.7 15.8 <br /> _► / 301 19.6 19.6 16.9 <br /> 1 In / 18.1 18.1 15.4 <br /> ~- 20' 17.5 17.5 15.1 <br /> 2 ;114/ f --,a/C21 ( 17.2 17.2 14.8 <br /> 15 ' 16.7 16.7 14.5 <br /> 16.7 16.7 14.5 <br /> C� / Table 27.6-1 <br /> ✓t= J 5'M i Q ASCE 7-10 Part 2: Wind Loads-Walls <br /> From ASCE7-10 Eq. 27.3-1 velocity pressure qz Exposure B <br /> qz= 0.00256Kz Kzt Kd V <br /> ktz- topographic factor, Kd- directionality factor <br /> Kzt=1.o kd=o.85 <br /> - X DIREGTIQN - <br /> `( bIEGTON <br /> , Q_ r <br /> 175 )( -$--.7 ) = 17 FRF ` 17) 5 P3F x ELL- u) ----- 12_04 <br /> Y- r-LR----= -7, 5F,-,--F_v , --, ) - Fl715 P3FI,_ / %5 <br /> ,T 5t ,s.E -- <br /> 3Oo -/ F--` l I-BASE = 2_454t-/ T< _ <br />