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Dibble Engineers Inc Job TITLE Charter Club <br /> 1029 Market Street,Suite 200 <br /> Kirkland,WA 98033 JOB No. 23-079 SHEET NO. <br /> (425)828-4200 CALCULATED BY SSH DATE <br /> CHECKED BY TSC DATE 4/18/23 <br /> Wind Loads : ASCE 7- 16 <br /> Ultimate Wind Speed 98 mph <br /> Nominal Wind Speed 75.9 mph <br /> Risk Category II <br /> Exposure Category B <br /> Enclosure Classif. Enclosed Building <br /> Internal pressure +/-0.18 <br /> Directionality (Kd) 0.85 <br /> Kh case 1 0.701 <br /> Kh case 2 0.605 <br /> Type of roof Hip <br /> Topographic Factor (Kzt) Z <br /> Topography Flat Speed-up <br /> Hill Height (H) 200.0 ft <br /> Half Hill Length(Lh) 1450.0 ft V(z) xlupwind) xtdownvAnd) <br /> Actual H/Lh = 0.14 H/Lh<0.2 ` ' <br /> Use H/Lh - 0.00 Kzt=1.0 Lh HJ2 H <br /> Modified Lh - 1450.0 ft HJ2 <br /> From top of crest:x= 2000.0 ft "w.;., <br /> Bldg up/down wind? downwind ESCARPMENT <br /> H/Lh= 0.00 K,= 0.000 <br /> x/Lh= 1.38 K2= 0.080 V(Z) <br /> z/Lh= 0.01 K3= 1.000 Z <br /> Speed-up <br /> At Mean Roof Ht: V(Z) x(upv&d) x(downwind) <br /> Kzt=(1+KjK2K3)"2= 1.00 NIH/2 Li H <br /> Lh Hl2 <br /> 2D RIDGE or 3D AXISYMMETRICAL HILL <br /> Gust Effect Factor Flexible structure if natural frequency<t Hz(T>1 second), <br /> h= 18.0 ft If building h/B>4 then may be flexible and should be investigated. <br /> B= 41.0 ft h/B= 0.44 Rigid structure(low rise bldg) <br /> /z(0.6h)= 30.0 ft <br /> G = 0.85 Using rigid structure default <br /> Riald Structure Flexible or Dynamically Sensitive Structure <br /> e= 0.33 34 icy (ni)= 0.0 Hz <br /> t = 320 ft Damping ratio(R)= 0 <br /> Zmin- 30 ft /b= 0.45 <br /> c= 0.30 /a= 0.25 <br /> go, 9V= 3.4 Vz= 63.2 <br /> Lz= 310.0 ft N4 = 0,00 <br /> Q= 0.90 Kn= 0.000 <br /> lz= 0.30 Rh= 28.282 rl= 0.000 h= 18.0 ft <br /> G= 0.87 use G=0.85 RB= 28.282 rl= 0.000 <br /> RL= 28.282 rl= 0.000 <br /> gR = 0,000 <br /> R = 0,000 <br /> Gf = 0.000 <br />