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<br />FLORIDA SIGN UNLIMITED
<br />
<br />SIGN FOR: WAL*MART PENNZOIL
<br />TAMPA, FL
<br />MINIMUM DESIGN LOADS FOR BUILDINGS AND OTHER STRUCTURES
<br />
<br />WINDLOAD BASED ON ASCE-7-98 SIMPLIFIED PROCEDURE
<br />MINIMUM DESIGN LOADS FOR BUILDINGS AND OTHER STRUCTURES
<br />WIND SPEED 130 MPH, 1= CATEGORY 1 = 0,77 EXPOSURE "C" FACTOR = 1.4
<br />DESIGN WIND PRESSURE =29*0,77*1.4= 31.26#1SF
<br />
<br />FOUNDATION CALCULATION
<br />TOTAL SIGN HEIGHT 20,00 FEET WIND CENTER MOMENT
<br /> DIAMETER LOAD uP" OF IN
<br /> OR WIDTH HEIGHT AREA KSF. PRESURE KFT.
<br />SIGN 1 8.00 4.00 32,00 0.0313 1,00 18.00 18,01
<br />COVER OR 2 0,67 16,00 10,72 0.0313 0,34 8,00 2,68
<br />POLE 3 0,00 0.0313 0,00 0,00 0,00
<br /> 4 0.00 0,0313 0,00 0,00 0,00
<br /> 5 0,00 0,0313 0,00 0,00 0,00
<br /> TOTALS= 42,72 1,34 15,49 20,69
<br />H= 15,49 FEET
<br />SECTION MODULUS REQUIRED Sx=
<br />20,69 X 12/29,3 = 8,47 IN^3
<br />
<br /># POLES=
<br />SxREQD,=
<br />MIN USE
<br />
<br />1
<br />8,47 IN^3
<br />8" DIAM. STEEL PIPE 28,55#/If Sx=16,8 IN^3 > 8,47 IN^3 OK
<br />
<br />FROM
<br />
<br />16 FEET UP WIND CENTER MOMENT
<br /> DIAMETER LOAD uP" OF IN
<br /> OR WIDTH HEIGHT AREA KSF. PRESURE KFT.
<br />1 8,00 4,00 32,00 0,0313 1.00 2,00 2,00
<br />2 0,00 0,0313 0.00 0,00 0,00
<br />3 0,00 0,0313 0,00 0,00 0,00
<br />4 0,00 0.0313 0.00 0,00 0,00
<br />5 0,00 0,0313 0,00 0,00 0,00
<br /> 32,00 1,00 2,00 2,00
<br />
<br />SIGN
<br />COVER OR
<br />POLE
<br />
<br />H= 2,00 FEET
<br />SECTION MODULUS REQUIRED Sx=
<br />2,00 X 12/29,3 = 0,82 IN^3
<br />
<br /># POLES=
<br />SxREQD.=
<br />MIN USE
<br />
<br />1
<br />0,82 IN^3
<br />4" DIAM. STEEL PIPE 1 O,79#/If Sx=3.21 IN^3 >0,82 IN^3 OK
<br />
<br />MINIMUM LENGTH FOR FOUNDATION
<br />DEPTH OF FOOTER = 4 FEET
<br />
<br /># OF FOOTERS
<br />
<br />1
<br />
<br />LENGTH=
<br />
<br />P X (2,37 X D X 2,64 X H) I D X D X 2 =
<br />
<br />LENGTH =
<br />MIN WIDTH /1
<br />MAKE Fa E
<br />use 1 1 f concrete
<br />
<br />2,10 FEET
<br />0,84 FEET
<br />3' LONG BY 2.5' WIDE X 4' DEEP
<br />
<br />
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