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SEISMIC WEIGHT COMPARISON/ANALYSIS - (PER CHAPTER 34) <br />Panel Weight =43 lbs per panel <br />No. of Panels = 10 <br />Total Panel Wt., Pw =430 lbs <br />-Compare Total Panel Weight with Weight of Existing Roof Story <br />EXISTING ROOF STORY WEIGHT CONSIDERED IN SEISMIC DESIGN <br />(WOOD FRAMED BUILDING W/ COMP. SHINGLE ROOF &STUCCO EXTERIOR) <br />Building Section Considered Dimensions = 31 feet x 45 feet (9 ft wall height) <br />Roof Area Considered Dimensions = 34 feet x 48 feet (18 inch overhang) <br />Comp Roofing 12 psf x 34 ft x 48 feet =19584 lbs <br />Ext. Walls (Long.)15 psf x 2 walls x 31 ft long x 4.5 ft high =4185 lbs <br />Ext. Walls (Trans.)15 psf x 2 walls x 45 ft long x 4.5 ft high =6075 lbs <br />Int. Walls (Drywall)10 psf x 2 walls x 10 ft long x 4.5 ft high =900 lbs <br />Total Roof Story Weight, Sw =30744 lbs <br />TOTAL PERCENTAGE OF PANEL WEIGHT VS. TOTAL EXISTING ROOF STORY SEISMIC WEIGHT. Aw <br />Aw = [Pw + Swlx 100 % = [890 lbs +68805 It)slx 100%1.4 % < 10%-OKAY <br />U <br />..