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7/19/2024 <br /> Sheet A.13 <br />Prepared by PB <br />Checked by AY <br />Target T0286- Santa Ana – Final Report PPE-05184.03 <br />B. Lateral Loads <br />As per the existing building code, the lateral load resistance system shall be permitted to remain unaltered <br />if the stresses are increased by 10% or less. Roof diaphragm is one of the lateral load-carrying members and <br />the reserved capacity will be governed by its capacity. <br />Total roof area = 107,370 ft2 <br />Assumed Original Dead Load = 15 psf <br />DL = 15 psf x 107,370 ft2 = 1610.550 kips <br />Wall weight = 2 x ½ x 289 ft x 28.67 ft x 94 psf (12” CMU) = 630.2884kip <br />Roof Diaphragm Original Total Mass Dead Loads; Wpx-Orig. = 2,240.84 kip = 20.87psf <br />PV-System Max. Weight = 10% x 20.87 psf = 2.1 psf <br />PV-System Max. Weight = 2.1psf x 107,370 ft2 = 224,084 lbs <br />PV-System Max. Weight = 224,084 lbs <br /> <br />1330 E Seventeenth <br />St4/10/2025