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<br />, <br /> <br />COVER ENGINEERING, INC. <br /> <br />w: R. COVER, P.E., P.S.M <br /> <br />Florida Business No. EB-0001974 <br /> <br />ENGINEERING-SURVEYING <br /> <br />2011 AIRPORT ROAD <br />LAKELAND, FLORIDA 33811-1020 <br /> <br />(863) 682-1620 <br />FAX (863) 683-2546 <br /> <br />March 22, 2000 <br /> <br />Engineering calculations for PIZZA HUT wall sign. <br /> <br />Design shall be based on 110 mile per hour wind loadings. <br /> <br />Table 1606.2A of the SBC shows that the loading for 110 mph winds at 15 feet height is 24.7 psf <br /> <br />Allowable shear on a 1/2" bolt = 1963 pounds <br /> <br />Load on sign -1.2 x 1 x 1.08 x 17.19 x 24.7 = 550 pounds <br /> <br />SHEAR IS NOT A FACTOR <br /> <br />Withdrawal on a 1/2" x 2" lag bolt = 390 pounds <br /> <br />Withdrawal on sign = 1.2 x 1 x 4.65 x 17.19 x 24.7 = 2372 pounds <br /> <br />Number of fasteners required = 2372/390 = 6.08 say seven fasteners. <br /> <br />It is recommended that a minimum of EIGHT (8) fasteners be used. <br /> <br />COVER ENGINEERING, INC. <br /> <br />