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ASCE 7-10 Wind Forces Chpt 28, Pt2 & Chpt 30, Pt2 <br />LIC# : KW-06013871, Build:20.23.08.30 SHOP ENGINEERING (c) ENERCALC INC 1983-2023 <br />DESCRIPTION:--None-- <br />Project File: FISCHER FLORIA CELL SITE.ec6 <br />Project Title: <br />Engineer: <br />Project ID: <br />Project Descr: <br />Calculations per ASCE 7-10Analytical Values <br />105.0 <br />Roof Slope Angle 10 <br />Exposure B <br />45.0 <br />10.0 <br />10.0 <br />0 to 7 degrees <br />psf <br />Topographic Factor Kzt per 26.8 4.00 <br />LHD : Least Horizontal Dimension ft <br />a = max (0.04 * LHD, 3, min(0.10 * LHD, 0.4*MRH))3.00 ft max (0.04 * LHD, 3, min(0.10 * LHD, 0.4*MRH)) <br />Effective Wind Area of Component & Cladding <br />V : Basic Wind Speed per Sect 26.5-1 A, B or C mph <br />Roof pitch for cladding pressure <br />degrees <br />ft^2 <br />Occupancy per Table 1.5-1 II All Buildings and other structures except <br />those listed as Category I, III, and IV <br />Exposure Category per 26.7 <br />MRH : Mean Roof Height ft <br />Lambda : per Figure 28.6-1, Page 305 1.12 <br />User specified minimum design pressure <br />Design Wind Pressures <br />Horizontal Pressures . . . <br />Zone: A =96.77 psf Zone: C =64.51 psf <br />Zone: B =-40.32 psf Zone: D =-23.30 psf <br />Vertical Pressures . . . <br />Zone: E =-103.49 psf Zone: G =-71.68 psf <br />Zone: F =-63.17 psf Zone: H =-48.38 psf <br />Overhangs . . . <br />Zone: Eoh =-144.70 psf Zone: Goh =-113.34 psf <br />ASCE 7-10 Section 28.6.4 Minimum Design Wind Loads requires that the load effects of the design wind <br />pressures from Section 28.6.3 shall not be less than a minimum load defined by assuming the pressures, ps, for <br />zones A and C equal to +16 psf, Zones B and D equal to +8 psf, while assuming ps for Zones E, F, G, and H are <br />equal to 0 psf. <br />Design Wind Pressure = Lambda * Kzt * Ps30 per Eq 30.5-1 <br />Component & Cladding Design Wind Pressures <br />Roof Zone 1 :Positive :39.872 psf <br />Negative :-97.664 psf <br />Roof Zone 2 :Positive :39.872 psf <br />Negative :-163.520 psf <br />Roof Zone 3 :Positive :39.872 psf <br />Negative :-246.400 psf <br />Wall Zone 4 :Positive :97.664 psf <br />Negative :-105.728 psf <br />Wall Zone 5 :Positive :97.664 psf <br />Negative :-130.368 psf <br />Roof Overhang Zone 2:-35.168 psf <br />Roof Overhang Zone 3:-57.792 psf <br />Page 21 of 26