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TRIBUTARY AREAS: <br />Roof area = 1245 sq. ft. = 1245 sq. ft.RDL =15 psf <br />Exterior wall area = 1040 sq. ft., consider upper 1/2 = 520 sq. ft. EW = 16 psf <br />Interior wall area = 1040 sq. ft., consider upper 1/2 = 520 sq. ft. IW = 9 psf <br />Solar panel area = 159 sq. ft. SP = 3 psf <br />Solar panel quantity = 8 <br />Roofing weight reduction at panels = 0 lb. <br />DEAD LOAD AT ROOF: <br />(E) Dead load = (Roof area)*RDL+1/2(EW area)*EW+1/2(IW area)*IW <br />(E) Dead load = 31675 lb <br />SP Dead load = Solar panel area*SP <br />SP Dead load = 476 lb <br />(N) Dead load = (E) Dead load + SP Dead load <br />(N) Dead load = 32,151 lb <br />Consider 80% of (E) trib roof DL: <br />Seismicsp DLsp 476 lbs. <br />Seismic(E)DL(E)25340 lbs. <br />Dead load increase ≤ 10%, OK <br />= = = 0.02 →2% increase <br />CHECK SEISMIC LOAD INCREASE: <br />Page 523-0816-PV 08/30/2023 <br />1005 N Evonda St <br />#211/7/2023