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Page 4 of 246 <br />Company <br />JOB TITLE Zephyr Commons <br />Address <br />City, State <br />JOB NO. <br />SHEET NO. <br />Phone <br />CALCULATED BY IG <br />DATE 12/30/19 <br />CHECKED BY <br />DATE <br />Wind Loads - MWFRS all h (Except for Open Buildings) <br />Kh (case 2) = 0.89 h = 18.5 ft GCpi = +/-0.18 <br />Base pressure (qh) = 36.2 psf ridge ht = 18.5 ft G = 0.85 <br />Roof Angle (6) = 1.2 deg L = 100.0 ft qi = qh <br />Roof tributary area - (h/2)*L: 925 sf B = 66.5 ft <br />(h/2)*B: 615 sf <br />Ultimate Wind Surface Pressures (osfl <br />Surface <br />Wind Normal to Ridge <br />B/L = 0.67 h/L = 0.28 <br />Wind Parallel to Ridge <br />L/B = 1.50 h/L = 0.19 <br />Cp ghGCp w/+giGCpi w/-ghGCpi <br />Dist.* Cp ghGCp w/ +q;GCp; w/ -ghGCpi <br />Windward Wall (WVV) <br />0.80 <br />24.6 <br />see table below <br />0.80 <br />24.6 <br />see table below <br />Leeward Wall (LW) <br />-0.50 <br />-15.4 <br />-21.9 <br />-8.9 <br />-0.40 <br />-12.3 <br />-18.8 -5.8 <br />Side Wall (SW) <br />-0.70 <br />-21.6 <br />-28.1 <br />-15.0 <br />-0.70 <br />-21.6 <br />-28.1 -15.0 <br />Leeward Roof (LR) <br />** <br />Included in windward roof <br />Neg Windward Roof: 0 to h/2* <br />-0.90 <br />-27.7 <br />-34.2 <br />-21.2 <br />0 to h/2* <br />-0.90 <br />-27.7 <br />-34.2 -21.2 <br />h/2 to h* <br />-0.90 <br />-27.7 <br />-34.2 <br />-21.2 <br />h/2 to h* <br />-0.90 <br />-27.7 <br />-34.2 -21.2 <br />h to 2h* <br />-0.50 <br />-15.40 <br />-21.92 <br />-8.88 <br />h to 2h* <br />-0.50 <br />-15.4 <br />-21.9 -8.9 <br />> 2h* <br />-0.30 <br />-9.24 <br />-15.76 <br />-2.72 <br />> 2h* <br />-0.30 <br />-9.2 <br />-15.8 -2.7 <br />Pos/min windward roof press. <br />-0.18 <br />-5.5 <br />-12.1 <br />1.0 <br />1 Min press. <br />-0.18 <br />-5.5 <br />-12.1 1.0 <br />--KooT angie < I u aegrees. i nererore, ieewara rooT <br />-rionzoniai oisiance Trom wmawara eage <br />is included in windward roof pressure zones. <br />Windward Wall Pressures at'Y' (psfl <br />Combined WW + LW <br />Windward Wall <br />Normal <br />Parallel <br />LR <br />z Kz Kzt <br />gzGCp w/+giGCpi w/-ghGCp; <br />to Ridge <br />to Ridge <br />fWR <br />0 to 15, 0.85 1.00 23.6 17.1 30.1 <br />39.0 <br />35.9 / <br />h= 18.5 ft 0.89 1.00 24.6 18.1 31.2 <br />40.0 <br />36.9 T yr <br />'-S-W <br />SW <br />L � <br />wnm <br />�,DmscaoN <br />VAM H0104AL TO RIDOE <br />WR <br />WR /'MR <br />L� <br />SW <br />`SW <br />WW <br />A 4' <br />utniD <br />DIRECTION <br />VMM PARALLEL TO RIDGE <br />NOTE: <br />See figure in ASCE7 for the application of full and partial loading <br />of the above wind pressures. There are 4 different loading cases. <br />Para et <br />z I Kz Kzt qp (psf) <br />21.0 ft 0.91 1.00 37.2 <br />Windward parapet: 55.8 psf (GCpn = +1.5) <br />Leeward parapet: -37.2 psf (GCpn = -1.0) <br />Windward roof overhangs ( add to windward roof pressure) : 24.6 psf (upward) <br />