Laserfiche WebLink
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 />Ultimate Wind Pressures <br />Wind Loads - Components & Cladding : h ≤ 60' <br /> Kh =0.916 100.0 ft 30.0 ft <br />Base pressure (qh) =18.0 psf h =21.5 ft 0.2h =4.3 ft 100.0 ft <br />Minimum parapet ht = 1.8 ft 0.6h = 12.9 ft 100.0 ft <br />Roof Angle (θ) = 1.2 deg GCpi = +/-0.18 <br />Type of roof =Monoslope qi = qh = 18.0 psf <br />Roof Surface Pressure (psf)User input <br />Area 10 sf 20 sf 50 sf 100 sf 200 sf 350 sf 500 sf 1000 sf 80 sf 200 sf <br />Negative Zone 1 -33.80 -31.60 -28.60 -26.40 -24.2 -22.4 -21.2 -21.2 -27.1 -24.2 <br />Negative Zone 1'-19.40 -19.40 -19.40 -19.40 -16.7 -16.0 -16.0 -16.0 -19.4 -16.7 <br />Negative Zone 2 -44.60 -41.70 -38.00 -35.10 -32.2 -29.9 -28.4 -28.4 -36.0 -32.2 <br />Negative Zone 3 -60.80 -55.10 -47.50 -41.70 -36.0 -31.4 -28.4 -28.4 -43.6 -36.0 <br />Positive All Zones 16.00 16.00 16.00 16.00 16.0 16.0 16.0 16.0 16.0 16.0 <br />Overhang Zone 1&1'-30.60 -30.00 -29.30 -28.80 -24.1 -20.4 -18.0 -18.0 -29.0 -24.1 <br />Overhang Zone 2 -41.40 -37.60 -32.50 -28.70 -24.8 -21.8 -19.8 -19.8 -29.9 -24.8 <br />Overhang Zone 3 -57.60 -50.90 -42.00 -35.30 -28.6 -23.2 -19.8 -19.8 -37.5 -28.6 <br />Overhang pressures in the table above assume an internal pressure coefficient (Gcpi) of 0.0 <br />Overhang soffit pressure equals adj wall pressure (which includes internal pressure of 3.2 psf) <br />Parapet <br />qp =16.7 psf Surface Pressure (psf)User input <br />Solid Parapet Pressure 10 sf 20 sf 50 sf 100 sf 200 sf 500 sf 50 sf <br />CASE A: Zone 2 : 53.3 49.9 45.3 41.9 38.4 33.8 45.3 <br />Zone 3 : 68.3 62.2 54.2 48.0 41.9 33.8 54.2 <br />CASE B: Interior zone : -31.5 -29.9 -27.8 -26.2 -24.6 -22.5 -27.8 <br />Corner zone : -36.0 -33.6 -30.5 -28.1 -25.7 -22.5 -30.5 <br /> wall a =8.6 ft <br />Walls GCp +/- GCpi Surface Pressure at h <br />Area 10 sf 100 sf 200 sf 500 sf 10 sf 100 sf 200 sf 500 sf 100 sf 200 sf <br />Negative Zone 4 -1.17 -1.01 -0.96 -0.90 -21.0 -18.2 -17.3 -16.2 -18.2 -17.3 <br />Negative Zone 5 -1.44 -1.12 -1.03 -0.90 -25.9 -20.2 -18.5 -16.2 -20.2 -18.5 <br />Positive Zone 4 & 5 1.08 0.92 0.87 0.81 19.4 16.6 16.0 16.0 16.6 16.0 <br />Note: GCp reduced by 10% due to roof angle <= 10 deg. <br />3/5/24 <br />3/5/24 <br />User input <br />2.2 <br />2350 S Pullman St - <br />Phase I3/4/2025