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Design Wind Pressure @ Patch & Strap <br />Wind Pressure P = <br />where,qh = = <br />Design Wind Speed V = <br />Velocity Pressure Coefficient Kz = <br />Topographic Factor Kzt = <br />Wind Directionality Factor Kd = <br />Ground Elevation Factor Ke = <br />Net Pressure Coefficient GCrn = <br />Normalized Wind Area An = = <br />Lb = = <br />* Note: Multiple Panels will be Loaded Simultaneously to Create Max Load @ Patch <br />* Based on Fig. 29.4-7 <br />(γp)= = <br />(γc)= = <br />(γE)= <br />Zone 3 <br />Zone 2 <br />Zone 1 <br />* Min. Wind Pressure = 16 psf (LRFD), 10 psf (ASD) <br />Zone 3 <br />Zone 2 <br />Zone 1 <br />* Min. Wind Pressure = 16 psf (LRFD), 10 psf (ASD) <br />JL <br />4642 Rockland Place La Canada <br />Flintridge, CA 91011 <br />CHECKED BY: NS <br />PAGE NO. <br />NS STRUCTURAL ENGINEERING, INC MADE BY: <br />95 mph Fig. 26.5-1A <br />0.70 26.10.1 <br />1 26.8.2 <br />Target 1441 W. 17th St. Santa Ana Solar Rooftop Project <br />qh*GCrn Section <br />0.00256KzKztKdKeV2 13.7 psf 26.10.2 <br />30.0 ft <br />Table 1: (GCrn)nom <br />Roof Zone:0°  w  5°5°  w  15°(GCrn)nom for w <br />0.85 26.6 <br />1 26.9 <br />(γp)(γc)(γE)(GCrn)nom <br />[1000/max(Lb,15)2]*TA 123.4 ft² <br />1 0.609 0.877 0.74 <br />2 0.799 1.157 0.98 <br />min(0.4(hWL)0.5,h,Ws) <br />max(0.6+0.06Lp,0.8) 0.82 <br />1.5 (Uplift) <br />1.0 (Downforce) <br />3 0.905 1.408 1.16 <br />min(1.2,0.9+hpt/h) 1.00 <br />19.6 psf 13.1 psf 11.8 psf 7.9 psf <br />Wind Pressure (Exposed) <br />LRFD ASD <br />Uplift Downforce Uplift Downforce <br />12.6 psf 8.4 psf 7.6 psf 5.0 psf <br />16.6 psf 11.1 psf 10.0 psf 6.6 psf <br />13.1 psf 13.1 psf 7.85 psf 7.85 psf <br />Wind Pressure (Non-Exposed) <br />LRFD ASD <br />Uplift Downforce Uplift Downforce <br />8.4 psf 8.4 psf 5.04 psf 5.04 psf <br />11.1 psf 11.1 psf 6.64 psf 6.64 psf <br />1441 W 17th St - 101115926 & <br />20180369 <br />11/16/2023