Laserfiche WebLink
<br />10' - 5" <br /> <br />Area 1 <br /> <br />Robert W; Wall . <br />Check by: <br />Sample Calculations <br />Wind Load = WL <br />WL = Cf * WIND ksf <br />WL = 1.2 * .036 <br />Force = 4.3253 * 190. <br />Force = 8.2225 kips <br /> <br />Zreq = Moment * 12 <br />fb * NC <br /> <br />COMPANY: Allen Ind. <br />PROJECT: Hess <br /> <br />M <br />I <br />co <br />~ <br /> <br /> <br />o ' - 8 " Area 2 <br />II 811511 <br />/1 X ~ ' ASTM A53-S/B Pipe <br />Zact = S8,"! > Zreq = 41.7 in3 <br /> <br />fb = 21.0 ksi for Steel pipe <br />fb = 27.6 ksi for Steel pipe <br />fb = 19.0 ksi for Aluminum <br />LDF = 1.33 <br />Zreq = 75.03 * 12 <br />24 * 1.33 * 2 <br />Zreq = 14.07 in3 <br /> <br />o <br />I <br />In <br />l") <br /> <br />In <br />I <br />Co <br /> <br />, I <br />, I <br />I' <br />I I <br />, , <br /> <br />21_ 6 II <br />f..e.1 <br /> <br />I I <br />I I <br />, , <br />, , <br />, , <br /> <br />2' - 6 " <br />f..e.1 <br /> <br />Concrete approx. 3.89 cu. yds <br />Concrete is 3000 psi at 28 days <br />Wind loads comply with SBBCI1992, ASCE 7-93 <br />Steel complies with AISC-ASD Ninth Edition <br />Soil bearing capacity 2000 psf (2 ksf) <br /> <br />WIND - ASCE Coastal - Exposure C - 110 mph <br /> Cf Wind AREA y FORCE MOMENT ZREQ <br /> (pst) (ft2) (ft) (kips) (k-ft) in3 <br />1.00 1.20 36.04 1 90, 1 0 25.88 8.22 75.03 14.07 <br />2,00 1.75 30.84 22,33 8.38 1.21 222.86 41.80 <br />TOr ALS 212.44 9.43 <br /> <br />MEAN SIGN HEIGHT (HB) = MOMENT AT GROUND = 222.8 k-ft = 23.6 ft <br />CHECK FOOTING TOTAL FORCE 9.428 kips <br /> <br />Pallow = S * b * d ^ 2 b = width of footer (ft) <br />2,37 * d + 2.64 * HB d = height of footer (ft) <br />P allow = 2,5 * 5 * 8.41 ^2 = 10.7 (kips) > 9.42 (kips) is O.K, <br />2.37 * 8.41 + 2.64 * 23.6 <br />BOLTS AND BASE PLATE <br />Area Bolt Size Num Spacing <br />in in <br />2 ASTM-A36 1.500 4 16.000 <br /> <br />Load <br />ilil2S <br />31.35 <br /> <br /> <br /> <br />20.00x 20.00 1.500 <br /> <br />