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0.83 ft <br />2.50 ft . <br />ASCE 7-16 Method for Calculating Uplift on PV Modules <br />Notation <br />Lp = Panel chord length. <br />p = uplift wind pressure <br />γa = Solar panel pressure equalization factor, defined in Fig. 29.4-8. <br />γE = Array edge factor as defined in Section 29.4.4. <br />θ = Angle of plane of roof from horizontal, in degrees. <br />29.4.4 Rooftop Solar Panels Parallel to the Roof Surface on Buildings of All Heights and Roof Slopes. <br />Ө >= 7 deg TRUE <br />Exposed FALSE <br />1.5(Lp) = 5.58 <br />γE = 1 <br />γa = 0.67 <br />p = qh(GCp) (γE) (γa) (lb ∕ft2) (29.4-7) <br />Zones 1,2e 2n,2r,3e 3r <br />p, Windload (psf)-10.94 -14.16 -19.84 <br />ASCE 7-16 Chapter 2 Combinations of Loads, Table 2.4, Page 8 (in psf) <br />1,2e 2n,2r,3e 3r All Zones <br />Module <br />Upward <br />Module <br />Upward <br />Module <br />Upward Downward <br />2.35 2.35 2.35 2.35 <br />-10.94 -14.16 -19.84 3.96 <br />2.4 Combining Nominal Loads Using Allowable Stress Design (in psf) <br />2.4.1 Basic Combinations. Loads listed herein shall be considered to act in the following combinations; whichever <br />produces the most unfavorable effect in the building, foundation, or structural member being considered. Effects of one <br />or more loads not acting shall be considered. <br />Upward Upward Upward Downward <br />Use this loading combination for DOWNWARD for Proposed PV Dead Load <br />2.35 2.35 2.35 4.73 <br />40 40 40 80 <br />35 35 35 70 <br />Use this loading combination for UPWARD for Proposed PV Dead Load <br />2.12 0.19 -3.22 11.05 <br />36 3 -55 187 <br />Seismic Evaluation <br />Weight of Proposed PV System (PV + Supports) <br /> Modules Area (sf)Load (psf)Weight (lb) <br />8 168 2.35 396 <br />396 <br />Weight of All Building Elements Supporting PV Mounting Plane <br />ft <br />13.0 <br />28.0 <br />52.0 <br />Area (sf)Load (psf)Weight (lb) <br />7. 0.60D - 0.6W <br />Segment Weights <br />PV system weight <br />Total PV Weight (Wpv) <br />Building Elements <br />Wall Height <br />Interior Wall Length <br />Perimeter Wall Length <br />W = wind load <br />Cr Factored Module Support point load (lb) <br />Module Support point load (lb) <br />5. D - 0.6W <br />Eave Overhang Length past Rafter Plate <br />D = dead load of PV Module + Stanchion <br />Uphill Distance from Eave to Lowest Support <br />Module Support point load (lb) <br />2.2 SYMBOLS AND NOTATION <br />Zones <br />Combination Formulae <br />Array AR-1 iRooFATM Copyright © 2020 Richard Pantel. All Rights Reserved.6 of 13 <br />2341 S Park Dr - <br />10-26-231/22/2024