Laserfiche WebLink
�-~ ���, ���� C/�LCULi�TIOn15 FOR FREEST/�NDING SIGfVS <br /> ` ��� . <br /> � ��i�.�m <br /> � ASCE 7-10 Design Wind Load� <br /> EREESTANDIIVG SOLID SIGNS AND VUALLS (AT GRADE) <br /> �.�_____._-.- - _._._,.�..__� -------. <br /> Buildeng Specs <br /> V= 130 mph Basic wind speed Risk Category 1 Structure <br /> Exposure C ASD Load Combo Coeff: 0.6 <br /> Calculations <br /> .�_ _.� ._,��----.�:� <br /> a= 9.5 3-sec gust speed power law exponent Kd= 0.85 Directionality factor <br /> zg= 900' Nominal ht.of atmos.boundary layer Kzt= 1.0 Topographic factor <br /> G= 0.85 <br /> Cf= 1.55 Force Coefficient <br /> ...Width/Height ratio >_0.5 <br /> 130 rnph - Exp "C" <br /> Monuments a4 grade <br /> W/Ht Ratio<_0.5 <br /> DESIGN <br /> N <br /> SIGN WIND � <br /> u <br /> HEIGHT PRESSURES � qZ <br /> 15 ft ± 24.7 psf 0.85 18.7 <br /> 18 ft ± 25.6 psf 0.88 19.5 <br /> 20 ft ± 26.2 psf 0.90 19.9 <br /> 30 ft + 28.6 psf 0.98 21.7 <br /> 35 ft ± 29.5 psf 1.01 22.4 <br /> � 40 ft + 30.3.psf _ 1.04 23.0 __ <br /> 45 ft + 31.1 psf 1.07 23.6 <br /> 50 ft + 31.8 psf 1.09 24.1 <br /> 55 ft + 32.4 psf 1.12 24.6 <br /> 60 ft ± 33.0 psf 1.14 25.1 <br /> 70 ft + 34.1 psf 1.17 25.9 <br /> 80 ft + 35.1 psf 1.21 26.6 <br /> 90 ft + 36.0 psf 1.24 27.3 <br /> 100 ft + 36.8 psf 1.27 27.9 <br /> 110 ft + 37.5 psf 1.29 28.5 <br /> 120 ft ± 38.2 psf 1.32 29.0 <br /> 130 ft ± 38.9 psf 1.34 29.5 <br /> 140 ft ± 39.5 psf 1.36 30.0 i <br /> 150 ft + 40.1 psf 1.38 30.4 _ � <br /> 175 ft + 41.4 psf 1.42 31.4 <br /> 200 ft + 42.6 psf 1.46 32.3 <br /> 250 ft ± 44.6 psf 1.53 33.9 <br /> Page 2 <br />