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. ; ��Sea(s C/�LCULATIONS FOR W/�LL-MOUNTED SIGNS easyseals.com _.__/�SCE_7==10=Design-:Wind_-Loa-dsR=== -- - - - - - - --- _- WALL-MOUNTED SIGNS Building Specs V= 140 mph Basic wind speed ASD Load Combo Coeff: 0.6 Exposure C Calculations a= 9.5 3-sec gust speed power law exponent Kd= 0.85 Directionality factor zg= 900' Nominal ht. of atmos. boundary layer Kzt= 1.0 ,_ Topographic factor _ _ __ ________ _-_ - " Gcpi= 0- , Internal pressure eoeff _ _ - __ " - A= 10 sq ft Tributary area 140 mph - Exp "C" WALL-MOUNTED SIGNS -�- �-_ _ - - � ASD WIND-PRESSURES= - - - - � - - ' SIGN :CENTER ; CORNER i� Q Q ' HEIGHT � -(Zone 4) .;. _(Zone 5) _ Y Y qz � � � u, ' 15 ft ` 23.9 psf ; 30.4-psf 0.85 36.2 -1.10 -1.40 20 ft - - -25:4 sf � 32.3 sf 0.90 38.5 -1.10 -1.40 P P . - - :25 ft- -26:6 psf 'r 33�9-psf -0.95 40:3 -1.10 -1.40 ,_._,_..__��, 30ft 27.6_psf ; 35.2,psf 0.98 41.9 -1.10 -1.40 ,__�__.e__ __.-35 ft _ _ 28.6_psf ; _36._4_psf___ ____1.01__ _ __43.3._ _ -1.10. _ -1.40 - -- - = 40 ft --. -29.4 psf -; -_37.4 psf - = 1.04 44.5 -1.10 -1.40 45 ft 30.1 psf ; 38.3 psf 1.07 45.6 -1.10 -1.40 - 50 ft - =30.8 psf ; 39:2 psf 1.09 46.6 -1.10 -1.40 55 ft 31.4 psf ; 40.0 psf 1.12 47.6 -1.10 -1.40 _ 60 ft 32.0 psf ; 40.7 psf 1.14 48.5 -1.10 -1.40 70 ft 27.0 psf � 54.1 psf 1.17 50.1 -0.90 -1.80 80 ft 27.8 psf � 55.6 psf 1.21 51.5 -0.90 -1.80 _ - 90-ft__ -28.5 psf :;- 57.0 psf 1.24 52.8 - =0.90 -1.80 --- --. . _ -- --- - - ' - - - - --- - �100 ft- -" -`29:1 psf ; -58:3 psf- 1.27' 54.0 -0.90 -1.80 - - 110 ft � 29.7 psf ; 59.5 psf 1.29 55.1 -0.90 -1.80 120 ft . _ .30.3 psf. .�"._60.6.psf _ .-.. 1.32 56.1 __ -0.90 -1.80 130 ft - --30.8 psf :- 61.6 psf 1.34 57.0 -0.90 -1.80 • - - _140ft-=- ��31:3`psf -;-62:6-psf `�1:36 -- 57.9 =0.90 -1.80 -- " -� 150 ft�- - 31J psf ; 63:5-psf 1.38 58.8 -0.90 -1.80 _ _ _175 ft"_ 32.8 psf � 65.6 psf 1.42 60J -0.90 -1.80 - - � - 200_ft-- _ �-33:7 psf :__67:5 psf - _ 1.46 62.5 _ -0.90 -1.80 - 250 ft 35.3 psf ; 70.7 psf 1.53 65.5 -0.90 -1.80 - -- _ __ -_ -- - - Fage2 .