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Note: For ASCE 7-10 the wind forces have been multiplied by 0.6 <br />LOADING COMBINATION #5:ZONE 1 <br />S = Sloped Roof Snow Load (psf)Cs 2= 1 0.00 <br />P := TAx .75 x Cs x S + DI.Solar x cos(8 x de.g) + TAx -75 x Pdn 141.78 <br />/ 1 1 <br />M := lwDLU:2 x 9 + P LI <br />x-Ix cos(e x deg)245.76 <br />SP a ) <br />12 <br />Si.:= M x 0.78 <br />Fb x CdWind x Cfr x Cr x CLS <br />S <br />-= <br />X <br />x 100 <br />Sr <br />< < If equal to or more <br />than 100% Code <br />Compliant, OK! <br />392.71 <br />LOAD COMBINATION #6: CHECK SEISMIC LOADING: <br />ExisdngDL := DLRD + Walls Walls 6= 5.5 psf 14.70 <br />ProposedDL := ExistingDL + DL Solar )<C <br />(ProposedDL ) <br />SeismicIncrease := 100 x I I - 100 <br />( ExistingDL j <br /><< If equal to or less than 10%, increase in seismic load OK! <br />15.74 <br />7.07 <br />SEISMIC SUMMARY <br />Sect. 3404.3 Alterations (See Exception): <br />The addition of the Solar Panels, meets the following: <br />• The design strength of existing elements required to resist seismic forces is not reduced. <br />• The seismic force to required existing structural elements is not substantially increased. <br />• No new structural elements are being added. <br />• New nonstructural elements are being connected to existing structure per Chapter 16. <br />• Alterations do not create structural irregularities. <br />The alterations do not result in the creation of an unsafe condition.