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-z- <br /> CAse a Case B <br /> ; ; ; <br /> , ; <br /> � � � <br /> ; ; , <br /> � F ' ' F � <br /> F �1- O,.B 0..6 -►� <br /> � ; , llind <br /> iltnd � ' Rattgc <br /> \l'tnd I �4� <br /> Cf - Force Coefficient = 1.85 <br /> Rd - Reduction Factor (1- (1-E)�1.5) = 1.00 <br /> Kz = 0.95 <br /> Kzt = 1.00 <br /> Qz = 14.861 psf <br /> Wiad Preesure at Slevation 25 ft � 23.364 pef <br /> Notes: 1) Signs with openinge compriaing < 30t oE grosa axea axe coneidezed eolid <br /> aigna <br /> 2) Force CoefEiciente for solid signe with openinge shell be multiplied by Rd <br /> 3) Case C only appliea when Hs >. 2 <br /> Case C <br /> s s s s�t���� Ba��� s s s <br /> ���I`� I�1�� <br /> � F F � <br /> �1�ind F F F F F 1�ind <br /> Dietance from Cf Rz Kzt ph Wiad Preeaure 0 Dietance <br /> leadiag edge ft Force Coeff. psf pef <br /> --------'--"------------------'--'-'--'---"---'----"'---"-"--'--------' <br /> From 0 to 4.0 2.90 0.95 1.00 14.86 36.63 <br /> From 4.0 to 8.0 1.90 0.95 1.00 14.86 24.00 <br /> From 8.0 to 12.0 1.30 0.95 1.00 14 .86 16.42 <br /> From 12.0 to 16.0 1.10 0.95 1.00 14 .86 13.90 <br /> RdC - Reductioa Factor for Case C (1.B - 6 / Ht) = 1.00 <br /> Note: When 5 / Ht > 0.8 Ghen Cf must be multiplied by RdC. <br />