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PPureli ht Power <br />WA State Exception Criteria - Calculation <br />This calculation justifies the additional solar load by showing the solar dead load at each <br />attachment is less than 50 Ibs (WAC 51-51-03240, R324.4, Exception Criteria). <br />Connection Demand <br />Spacing perpendicular to rail 32.5 in 1/2 panel length <br />Spacing parallel to rail 48 in Max spacing <br />Solar Dead Load 1 2.75 psf <br />Solar DL Point Load 1 29.79166667 Ilbs <br />M <br />