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<br />Architectural Services Engineering, Inc <br /> <br />24710 State Road 54 <br />Lutz, FI 33559 <br /> <br />(813) 948-2812 <br />Fax (813) 949-2016 <br /> <br />Name: <br />Project: <br /> <br />LoU Sign Service <br />Glass <br /> <br />Robert W. Wall <br />Structural Engineer, FI Reg #46021 <br /> <br />Wind Speed <br />Mean Height <br /> <br />130 mph <br />60 ft <br /> <br />IUli.D~~9~~~.OO~~~~991: <br />ttqtlg~~4!l.q!ng~p~~> <br /> <br />Wind Pressure (WP) <br />Shape Factor (SF) <br /> <br />37.848 pst <br />1.5 <br /> <br />Total Pressure = WP*SF <br /> <br />56.77 pst <br /> <br /> <br />Letter Height (in) <br />Letter Width (in) <br /> <br />o ft <br />Oft <br /> <br />30 in <br />150 in <br /> <br />Number of Bolts <br /> <br />4 <br /> <br />Shear Value <br />Tension Value <br /> <br />443 Ibs <br />610 Ibs <br /> <br />Area <br /> <br />31.25 sq ft <br /> <br />Shear per bolt <br />Tension per bolt <br /> <br />= Area * 10 pst <br />=Pressure * Area <br /> <br />78.13 Ibs <br />443.53 Ibs <br /> <br />Bolt Value=Shear per bolt / Shear Value + Tension per Bolt / Tension Value <br /> <br />ISolt V~lue <br /> <br />0.90 < 1.00 O.K. <br /> <br />Use 4 - 3/8" dia. thru bolts with a minimum 2" square washer into structural 2x4 wood backing for raceway sign. <br /> <br />All wind loads are designed per ASCE 7-98. <br /> <br />