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10180031_1426 E. 2OTH - Plan
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10180031_1426 E. 2OTH - Plan
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Last modified
5/1/2021 5:27:33 PM
Creation date
10/25/2020 5:18:10 PM
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Plan
Permit Number
10180031
Full Address
1426 E Twentieth St
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SolarMount Unirac Code-Compliant Installation Manual :FUNIRAC <br />Step 3: Determine RoofZone (continued) <br />Using Roof Zone Dimension Length, a,determine the roof zone <br />locations according to your roof type, gable, hip or monoslope. <br />Determine in which roof zone your pv system is located, Zone <br />1, 2, or 3 according to Figure 2. <br />Figure 2. Enclosed buildings, <br />Flat Roof <br />wall androoh <br />/5*X Hip Roof (7° <05 27°ji <br />1\\1 L.L b.a \*33»4 1/,<3>% r <br />Gable Roof (05 15 220 -Gable Roof (7° <05 45°)2> <br />al i <br />51 <br />9* <br />/41 -*#--2--a .Pt «1 [/NA <br />//3,9 < /..08>1 4 <br />l <br />1\ <br />b <br />'>a <br />-22<2 <br />Interior Zones End Zones Corner Zones <br />Roofs - Zone I /Walls - Zone 4 Roofs - Zone 2/Walls - Zone 5 Roofs - Zone 3 <br />Source: ASCE/SEI 7-05, Minimum Design Loads for 8uiMings and Other Structures, Chapter 6, p.41. <br />Step 4: Determine NetDesign Wind Pressure, pne¢30 (psf) <br />Using the E#kctive WindArea (Step 2), RoefZone Location <br />(Step 3), and Basic Wind Speed (Step 1), look up the <br />appropriate Net Design Wind Pressure in Table 2, page 6. Use <br />the E#ective Wind Area value in the table which is smaller than <br />the value calculated in Step 2. If the installation is located on a <br />roof overhang, use Table 3, page 7. <br />Both downforce and uplift pressures must be considered <br />in overall design. Refer to Section II, Step 1 for applying <br />downforce and uplift pressures. Positive values are acting <br />toward the surface. Negative values are acting away from the <br />surface. <br />0 <br />p./ <br />5
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