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i Project: Keith Wolfe -- Job M 19-11666 <br /> r Date: 10/23/2019 Engineer: DW <br /> Lateral Check: 2017 Florida Building Code, 6th Edition <br /> Existing Weight of Effected Building <br /> Level Area Weight(psf) Weight(lb) <br /> Roof 2360 sf 6.6 psf 15576 lb <br /> Ceiling 2360 sf 6.0 psf 14160 lb <br /> Wood Siding 924 sf 5.0 psf 4620 lb (9.5'Wall Height) <br /> Int.Walls 462 sf 1 6.0 psf 2772 lb <br /> Existing Weight of Effected Building 37128 lb <br /> Proposed Weight-of PV.System <br /> Weight of PV System (Per Sunrun Inc.) 3.0 psf <br /> Approx.Area of Proposed PV System 591 sf <br /> Approximate Total Weight of PV System 1773 lb <br /> 10/Comparison <br /> 10%of Existing Building Weight(Allowed) 3713 lb <br /> Approximate Weight of PV System(Actual) 1773 lb <br /> Percent Increase 4.8% <br /> 3713 lb>1773 lb,Therefore OK <br /> Per IEBC 402.4&403.4,ASCE 7-10 11b.4 the increase in the lateral <br /> demand/capacity ratio of the existing structure due to the installation of the PV <br /> system is less than 10%.Therefore,the existing structure may remain <br /> unaltered. <br /> 5 of 5 <br />