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Company JOB TITLE 2350 Pullman, LLC <br />Webber/Smith Associates <br />Lititz, PA JOB NO.5387 SHEET NO. <br />(717) 625-4140 CALCULATED BY DATE <br />CHECKED BY DATE <br />Wind Loads - MWFRS all h (Except for Open Buildings) <br /> Kh =0.923 GCpi =+/-0.18 <br />Base pressure (qh) =18.1 psf Bldg dim parallel to ridge =84.8 ft G = 0.85 <br />Roof Angle (θ) =1.2 deg Bldg dim normal to ridge =20.0 ft qi = qh <br />Roof tributary area: h =22.3 ft <br />Wind normal to ridge =(h/2)*L:947 sf ridge ht =22.5 ft <br />Wind parallel to ridge =(h/2)*L:223 sf <br />Ultimate Wind Surface Pressures (psf) <br />Wind Normal to Ridge Wind Parallel to Ridge <br />L/B =0.24 h/L =1.12 L/B =4.24 h/L =0.26 <br />Surface Cp qhGCp w/+qiGCpi w/-qhGCpi Dist.*Cp qhGCp w/ +qiGCpi w/ -qhGCpi <br />Windward Wall (WW) 0.80 12.3 see table below 0.80 12.3 see table below <br />Leeward Wall (LW) -0.50 -7.7 -11.0 -4.4 -0.20 -3.1 -6.3 0.2 <br />Side Wall (SW) -0.70 -10.8 -14.0 -7.5 -0.70 -10.8 -14.0 -7.5 <br />Leeward Roof (LR) **Included in windward roof <br />Neg Windward Roof: 0 to h/2* -1.05 -16.2 -19.4 -12.9 0 to h/2*-0.90 -13.9 -17.1 -10.6 <br />> h/2* -0.70 -10.8 -14.0 -7.5 h/2 to h*-0.90 -13.9 -17.1 -10.6 <br /> h to 2h*-0.50 -7.7 -11.0 -4.4 <br /> > 2h*-0.30 -4.6 -7.9 -1.4 <br />Pos/min windward roof press. -0.18 -2.8 -6.0 0.5 Min press.-0.18 -2.8 -6.0 0.5 <br />*Horizontal distance from windward edge <br />**Roof angle < 10 degrees. Therefore, leeward roof is included in windward roof pressure zones. For monoslope roofs, <br />NOTE: The code requires the MWFRS be designed for minimum ultimate force of 16 psf entire roof surface is either <br />multiplied by the wall area plus an 8 psf force applied to the vertical projection of the roof.windward or leeward surface. <br />Windward roof overhangs :12.3 psf (upward : add to qhGCp windward roof pressure) <br />Parapet <br />z Kz Kzt qp (psf) <br />25.0 ft 0.945 1.00 18.6 <br />Windward parapet:27.8 psf (GCpn = +1.5) <br />Leeward parapet:-18.6 psf (GCpn = -1.0) <br />Windward Wall Pressures at "z" (psf)Combined WW + LW <br />Windward Wall Wind Normal Wind Parallel <br />z Kz Kzt qzGCp w/+qiGCpi w/-qhGCpi to Ridge to Ridge <br />0 to 15' 0.85 1.00 11.3 8.1 14.6 19.0 14.4 <br />20.0 ft 0.90 1.00 12.0 8.8 15.3 19.7 15.1 <br />h=22.3 ft 0.92 1.00 12.3 9.1 15.6 20.0 15.4 <br />ridge =22.5 ft 0.92 1.00 12.3 9.1 15.6 20.1 15.4 <br />3.7 <br />2350 S Pullman St - <br />Phase I3/4/2025