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MWFRS Wind Loads Project: <br /> CO"T ik6N ASCE 7-10 Job 4: <br /> Enclosed&Partially Enclosed Buildings of All Heights By: <br /> Notes: Date: 2!11/2016 <br /> Item 1: <br /> I%'x1 Wx.125' <br /> Reference: ALUM TUBE <br /> CRTY-CLRA-00012 ` <br /> Cabinet Weight: <br /> Frame: <br /> 2x2x 1/8" Alum Angle= 0.58#/Ft x 31'= 18.0 lbs <br /> .090 Alum.= 1.30 psf*1.33'x 14.2'= 24.6 <br /> Total= 42.5 <br /> Latters are made of.063 Aluminim back and 0.177"Acrylic:face: <br /> .063 Alum.=0.907 psf <br /> 0.177 Acylic=1.07 psf <br /> Total= 2.0 psf <br /> Letter Weight=2 psf x 14.2 x 1.33= 37.8 <br /> Total Weight of Cabinet and Leters=4.25+37.8= 80.3 Lbs. <br /> Item 2: <br /> Design Wind Pressure=28.3 psf (See Attached) <br /> Pwind=28.3*1.33'*14.2'/3= 178 Lbs per Tube <br /> M=178*8"=1424" lbs <br /> Fb=1424/0.291= 4893 PSI OK <br /> Use 11/2"x 11/2" x 1/8"Alum.Tube <br /> Item 3: <br /> Sign is supported on existing 10"C-Channels: <br /> Connection to C 10 Channel: <br /> T=C=1424/6"= 237 Lbs.OK Use(2)- 1/2" Diam. Bolts at Channel <br /> Item 4: <br /> See below and details on drawing sheet number 7 for install patteren <br />