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�••e , P <br /> �� �`�.,�� ���� C/�LCIJL/�TIONS FOR W�LL�MOUNTED SIG�IS <br /> ` '�� . . � ��i�m <br /> r /�SCE 7-10 Design V�lincl Load� <br /> 11V�4L�.-MOUNTED SIGNS <br /> �-- �.._. -� <br /> Building Specs <br /> �,. .__._.__ __� <br /> V= 140 mph Basic wind speed ASD Load Combo Coeff: 0.6 <br /> Exposure C <br /> Calculations <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 /> Gcpi= 0 lnternal pressure coeff <br /> A= 10 sq ft Tributary area <br /> 140 mph - Exp "C" <br /> WALL-MOUNTED SIGNS <br /> ASD WIND PRESSURES <br /> SIGN CENTER ; CORNER �i Q Q <br /> HEIGHT (Zone 4) ; (Zone 5) Y Y qZ � v � en <br /> 15 ft 23.9 psf ; 30.4 psf 0.85 36.2 -1.10 -1.40 <br /> 20 ft 25.4 psf � 32.3 psf 0.90 38.5 -1.10 -1.40 <br /> 25 ft 26.6 psf ' 33.9 psf 0.95 40.3 -1.10 -1.40 <br /> 30 ft 27.6 psf ; 35.2 psf 0.98 41.9 -1.10 -1.40 <br /> 35 ft 28.6 psf � 36.4 psf 1.01 43.3 -1.10 -1.40 <br /> 40 ft 29.4 psf ; 37.4 psf 1.04 44.5 -1.10 -1.40 <br /> 45 ft 30.1 psf ; 38.3 psf 1.07 45.6 -1.10 -1.40 <br /> 50 ft 30.8 psf ; 39.2 psf 1.09 46.6 -1.10 -1.40 <br /> 55 ft 31.4 psf ; 40.0 psf 1.12 47.6 -1.10 -1.40 <br /> 60 ft 32.0 psf ; 40.7 psf 1.14 48.5 -1.10 -1.40 <br /> 70 ft 27.0 psf � 54.1 psf 1.17 50.1 -0.90 -1.80 <br /> 80 ft 27.8 psf ; 55.6 psf 1.21 51.5 -0.90 -1.80 <br /> 90 ft 28.5 psf ; 57.0 psf 1.24 52.8 -0.90 -1.80 <br /> 100 ft 29.1 psf ; 58.3 psf 1.27 54.0 -0.90 -1.80 <br /> 110 ft 29.7 psf � 59.5 psf 1.29 55.1 -0.90 -1.80 <br /> 120 ft 30.3 psf � 60.6 psf 1.32 56.1 -0.90 -1.80 <br /> 130 ft 30.8 psf ; 61.6 psf 1.34 57.0 -0.90 -1.80 <br /> 140 ft 31.3 psf ; 62.6 psf 1.36 57.9 -0.90 -1.80 <br /> 150 ft 31.7 psf ; 63.5 psf 1.38 58.8 -0.90 -1.80 <br /> 175 ft 32.8 psf � 65.6 psf 1.42 60.7 -0.90 -1.80 <br /> 200 ft 33.7 psf ; 67.5 psf 1.46 62.5 -0.90 -1.80 <br /> 250 ft 35.3 psf ; 70.7 psf 1.53 65.5 -0.90 -1.80 <br /> Page 2 <br />