Laserfiche WebLink
ASCE 7-16 Wind Forces Chpt 28, Pt2 & Chpt 30, Pt2 <br />LIC# : KW-06016311, Build:20.24.10.30 JJS STRUCTURAL (c) ENERCALC, LLC 1982-2024 <br />DESCRIPTION:SINGLE STORY ADU <br />Project File: 24058 Calcs.ec6 <br />Project Title:POCKETT ADU <br />Engineer: <br />Project ID:24058 <br />Project Descr:ATTACHED ADU <br />Calculations per ASCE 7-16General Design Values <br />95.0 <br />Roof Rise:Run Ratio >7:12 <br />Exposure B <br />14.0 <br />16.0 <br />10.0 <br />Gable Roof > 27 to 4 <br />psf <br />Topographic Factor Kzt per 26.8 1.00 <br />40.0LHD : Least Horizontal Dimension ft <br />a = max (0.04 * LHD, 3, min(0.10 * LHD, 0.4*MRH))4.00 ft <br />Effective Wind Area of Component & Cladding <br />V : Basic Wind Speed per Sect 26.5-1 or 2 mph <br />Roof pitch for cladding pressure <br />ft^2 <br />Occupancy per Table 1.5-1 II All Buildings and other structures except those listed <br />Exposure Category per 26.7 <br />MRH : Mean Roof Height ft <br />"Lambda" is interpolated between height tablular values. <br />Lambda MWFRS: per Figure 26.5-1 1.00 <br />User specified minimum design pressure <br />0.82Lambda Component & Cladding : per Figure 30.4-1 <br />Main Force Resisting System Values Component & Cladding Values <br />Design Wind Pressures <br />Horizontal Pressures . . . <br />Load Case # 1 . . . <br />Overhangs . . . <br />Zone: A =16.10 psf Zone: C = 16.00 psf <br />Load Case # 1 . . . <br />Zone: B = 16.00 psf Zone: D = 16.00 psf <br />Zone: Eoh = -16.00 psf Zone: Goh = -16.00 psf <br />Load Case # 2 . . . <br />Load Case # 2 . . . <br />Zone: A = 16.10 psf Zone: C = 16.00 psf <br />Zone: Eoh = -16.00 psf Zone: Goh = -16.00 psf <br />Zone: B = 16.00 psf Zone: D = 16.00 psf <br />Vertical Pressures . . . <br />Load Case # 1 . . . <br />Zone: E = 16.00 psf Zone: G = 16.00 psf <br />Zone: F = -16.00 psf Zone: H = -16.00 psf <br />Load Case # 2 . . . <br />Zone: E = 16.00 psf Zone: G = 16.00 psf <br />Zone: F = -16.00 psf Zone: H = -16.00 psf <br />ASCE 7-16 Section 28.5.4 Minimum Design Wind Loads requires that the load effects of the design wind pressures from Section 28.5.3 shall <br />not be less than a minimum load defined by assuming the pressures, ps, for zones A and C equal to +16 psf, Zones B and D equal to +8 psf, <br />while assuming ps for Zones E, F, G, and H are equal to 0 psf. <br />Page 15 of 35