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A.V. Schwan & Associates JOB TITLE F&D Santa Ana CPU Canopy <br />6000 E Thomas Rd <br />Scottsdale, AZ 85251 JOB NO.7202 SHEET NO. <br />602-265-4331 CALCULATED BY ATB DATE <br />CHECKED BY MK DATE <br /> Wind Loads - Open Buildings: 0.25 ≤ h/L ≤ 1.0 Ultimate Wind Pressures <br />Type of roof = Monoslope Free Roofs G = 0.85 <br />Wind Flow =Obstructed Roof Angle =1.2 deg <br />NOTE: The code requires the MWFRS be <br /> Main Wind Force Resisting System designed for a minimum pressure of 16 psf. <br />Kz = Kh (case 2) = 0.88 Base pressure (qh) =17.3 psf <br />Roof pressures - Wind Normal to Ridge <br />Cnw Cnl <br />Cn = -0.50 -1.20 <br /> p =-7.4 psf -17.7 psf <br />Cn = -1.10 -0.60 <br /> p =-16.2 psf -8.8 psf <br />NOTE: 1). Cnw and Cnl denote combined pressures from top and bottom roof surfaces. <br />2). Cnw is pressure on windward half of roof. Cnl is pressure on leeward half of roof. <br />3). Positive pressures act toward the roof. Negative pressures act away from the roof. <br />Roof pressures - Wind Parallel to Ridge, Ɣ = 90 deg <br />h = 18.0 ft <br />≤ h >h ≤ 2h > 2h 2h = 36.0 ft <br />Cn =-1.20 -0.90 -0.60 <br /> p =-17.7 psf -13.3 psf -8.8 psf <br />Cn = 0.50 0.50 0.30 <br /> p =7.4 psf 7.4 psf 4.4 psf <br />Fascia Panels -Horizontal pressures <br />qp = 17.3 psf Windward fascia: 26.0 psf (GCpn = +1.5) <br />Leeward fascia:-17.3 psf (GCpn = -1.0) <br /> Components & Cladding - roof pressures <br />Kz = Kh (case 1) = 0.88 a = 3.0 ft a2 =9.0 sf <br />Base pressure (qh) =17.3 psf 4a2 =36.0 sf <br />G = 0.85 <br />positive negative positive negative positive negative <br />1.10 -3.84 0.86 -1.93 0.55 -1.28 <br />0.86 -1.93 0.86 -1.93 0.55 -1.28 <br />0.55 -1.28 0.55 -1.28 0.55 -1.28 <br />16.1 psf -56.5 psf 12.7 psf -28.4 psf 8.1 psf -18.8 psf <br />12.7 psf -28.4 psf 12.7 psf -28.4 psf 8.1 psf -18.8 psf <br />8.1 psf -18.8 psf 8.1 psf -18.8 psf 8.1 psf -18.8 psf <br />The C&C pressure shall not be less than 16 psf acting in either direction normal to the surface. <br />Wind <br />pressure <br />zone 3 zone 2 <br />>9, ≤ 36 sf <br />> 36 sf <br />≤ 9 sf <br />>9, ≤ 36 sf <br />> 36 sf <br />Obstructed <br />Wind Flow <br />CN <br />zone 1 <br />Obstructed Wind Flow <br />Effective Wind Area <br />≤ 9 sf <br />A <br />B <br />Horizontal Distance from Windward <br />EdgeWind <br />Flow <br />Load <br />Case <br />A <br />B <br />Load <br />Case <br />Wind <br />Flow <br />Obstructed <br />Wind Flow <br />Ɣ = 0 & 180 deg <br />Wind Direction <br />7 of 42 <br />1801 E Dyer Rd <br />3/11/2025