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NAtorttluBA�cirtt.iMc PROJECT NO.• MN05355B-18V0 ENGINEER: LKN <br /> r', r TITLE• LOADING CALCULATIONS CHECKED: HML <br /> _ DATE: 2/14/2018 <br /> DESCRIPTION: DUNKLEY RESIDENCE SITE APPROVED BY: MM Page 4 <br /> Wind Loads: The velocity pressure as given in ASCE: <br /> LOADING PARAMETERS <br /> Vult= 115 mph - Basic wind speed - Figure 26.5-1C <br /> Kh:= 1.08 Velocity pressure coefficient - (roof mean) HM:= 0.50•(Hbldg + Cht) HM= 18.419• <br /> Kzt:= I Wind speed over hills & escarpments <br /> Kd:= 0.85 Directionality factor <br /> I= 1.00 Importance factor <br /> qh:= 0.00256Kh•Kzt•KdNO.psf jqh= 31.0&ps Velocity Pressure <br /> Roof Angle 0:= ata Hbldg - Cht 0 = 18.38-de <br /> 'bldg <br /> METHOD 1 - Case A = Transverse Direction <br /> Building Surface <br /> GCpwwall:= 0.53 1) -windward wall - external pressure coefficient <br /> GCpwroof:= -0.69 2) -windward roof - external pressure coefficient <br /> GCplroof:= -0.48 3) -leeward roof- external pressure coefficient <br /> GCplwall:= -0.43 4) -leeward wall - external pressure coefficient <br /> METHOD 1 - Case B = Longitudinal Direction <br /> Building Surface <br /> GCpbswall := -0.45 1) -side wall - external pressure coefficient <br /> GCpbwroof:= -0.69 2) -windward roof- external pressure coefficient <br /> GCpblroof:= -0.37 3) -leeward roof- external pressure coefficient <br /> GCpblwall:= -0.45 4) -back side wall - external pressure coefficient <br /> GCpbfront:= 0.40 5) -front wall - external pressure coefficient <br /> GCpblbwall := -0.29 6) -leeward wall- external pressure coefficient <br /> Internal & Cladding Pressure Coefficients <br /> GCpi:= 0.18 +/- internal pressure coeficient <br /> (Open building for front wind & Enclosed for side wind) <br /> GCp := -2.2 External pressure coefficient Zone 2 & 3 for ROOF components and cladding <br /> GCpw:= -1.4 External pressure coefficient Zone 4 & 5 for WALL components and cladding <br /> MN05355B-18V0_I BC-12—Loading.Mncd <br />