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<br />FLORIDA SIGN UNLIMITED <br /> <br />SIGN FOR W AL * MART ZEPHYRIllLLS <br /> <br />84" ILLUMINATED WALL LETTERS SELF CONTAINED <br /> <br />DESIGN TO ASCE -7-98 SIMPLIFIED PROCEEDURE <br />WIND DESIGN VELOSITY 130 MPH, 1=0,77, EXPOSURE "C" FACTOR 1.4 <br />DESIGN WIND PRESSURE 29*0,77* 1.4 = 31,3#/SF USE 75#/SF <br /> <br />DEAD LOAD 80#PER LETTER <br />WIND LOAD 75# S,F, <br /> <br />INDIVIDUAL LETTERS MOUNTING <br /> <br />USE 4 (MIN) - 3/8" DIAMETER BOLT, NUTS AND WASHERS FOR WOOD WALLS <br /> <br />USE 4 (MIN) - 1/2" HILTI SLEEVE ANCHORS 4" LONG FOR MASONRY BLOCKS OR <br />TILT WALLS <br /> <br />LETTER AREA MAX = 7' X 7' X 75#/SF = 3675# <br /> <br />AREA WITH QUATERING WIND <br />= 3675# X SIN (45)= 2598# <br />BOLT SHEAR DUE TO QUATERING WIND <br />= 2598# X SIN (45)= 1837# <br />SHEAR PER BOLT = 1837#/4 = 459# <br /> <br />SHEAR LOAD= WIND LOAD + DEAD LOAD = <br />SQRT ((459)^2 + (20)^2) = 459.4# <br /> <br />SHEAR STRESS = <br />459.4#/3 X 0.375^2/4 = 4,162 KSI <br />AL:~ LE SHEAR = 10 KSI > 4.612 KSIO,K. <br /> <br /> <br />e <br />7479 <br />JUNE 16, 2002 <br />