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<br />COI\/lPANY: Lott Signs <br />PROJECT: Pylon <br /> <br />o <br />c\, <br /> <br /> <br />o <br />00 <br /> <br /><? <br />I' <br /> <br />Architectural Services & Engineering, Inc <br />24710 State Road 54 EBO 7882 <br /> <br />Lutz, FI 33559 <br /> <br />Robert W. Wall, PE <br />Fla 46021 <br /> <br /> <br />12' - 0 " <br /> <br />Area 1 <br /> <br />Sample Calculations <br />Wind Load = WL <br />WL = Ct . WIND kst <br />WL = 1.2 . 2.05 <br />Force = 2.4655' 144 <br />Force = 3.5504 kips <br /> <br />Zreq = Moment . 1 2 <br />tb . NC <br /> <br />Area 2 <br /> <br />Area 5 <br /> <br />fb ,= 21,0 ksi for Steel pipe <br /> <br />tb = 27.6 ksi for Steel pipe <br /> <br />fb = 19,0 ksi for Aluminum <br /> <br />LDF = 1 <br /> <br />Zreq = 21.30' 12 <br />24 . 1 . 1 <br /> <br />Zreq = 10.65 in3 <br /> <br />'1 Q' ~~~" ASTM AS'gES/(33Pipe <br />.8 in3 > Zreq = .!.?e~ ill3 <br /> <br />Area 6 <br /> <br />12 "x .5 " ASTM A53-S/B Pipe <br />'} Zact = 56.7 in3 > Zreq = 52.8 in3 <br /> <br />Concrete approx. 2.5 cu. yds <br />Concrete is 3000 psi at 28 days <br />Wind loads - FBC 2001, ASCE 7-98 <br /> <br />.:.:.:.:.:.:-:.: <br /> <br />:i]iiif: <br />.....,.,......'. <br /> <br />72ujpJlt.f!J\D <br />2 q t f ftiLu-Jf~ <br /> <br />~ ' - 0 " <br />x'3! - 0 " <br /> <br />WIND - ASCE - Exposure B - 130 mph <br />Cf Wind AREA <br />( sf) (ft2) <br /> <br />20.55 144.00 <br />18.77 0.67 <br />17.96 40.00 <br />17.96 1.00 <br />17.96 32.00 <br />17.96 8.00 <br />225.67 <br /> <br />1.00 <br />2.00 <br />3.00 <br />4.00 <br />5.00 <br />6.0 <br />TOTA S <br /> <br />1.20 <br />0.70 <br />1.20 <br />0.70 <br />1.20 <br />0.70 <br /> <br />Steel - AISC-ASD Ninth Edition <br />Soil bearing capacity 2000 pst (2 kst) <br /> <br />y FORCE MOMENT Z REQ <br />(ft) (ki s) (k-ft) (in3) <br />24.00 3.55 21.30 10.65 <br />17.50 0.01 24.86 12.43 <br />15.00 0.86 40.82 20.41 <br />12.50 0.01 45.25 22.62 <br />10.00 0.69 64.36 32.18 <br />4.00 0.10 105.76 52.88 <br /> 5.22 <br /> <br />MEAN SilGN HEIGHT (HB) = MOMENT AT GROUND <br />CHECK /tOOTING TOTAL FORCE <br /> <br />Pallow:d S * b * d ^ 2 <br />2.37 * d + 2.64 * HB <br />P allow l= 2.5 * 3 * 7.5 ^2 <br />2.37 * 7.5 + 2.64 * 20.2 <br /> <br />105.7 k-ft <br />5.224 kips <br /> <br />= 20.2 ft <br /> <br />b = width of footer (ft) <br />d = height of footer (ft) <br />5.92 (kips) > 5.22 (kips) is O.K. <br /> <br /> <br />DATE <br /> <br />::1'i/ J!';/'~ nl. <br />APi i;~VW .~-s <br /> <br />ALL WORKSliALLCG.v, 'LY WITH ALL <br />PREY AlLJNG CODES. FLORIDA BUll.Dll\~ <br />CODE. NA 110NAL ELEC1R!C CODE N\" <br />C!TYOFZEPIf\--:-"" r-0"'''''''",.,,:_~_ <br /> <br />fYlO )a.CT ItPf Jl\r1fM (In.1 ~ Y' <br />1',:;, 4t&tUr:~tU u'-' <br /> <br />