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>10°Roof Slope/Residential Applications C.H.I. ASCE 7-05 ASCE 7-10 Pressure(PSF)by Door Width Wind Zone Exp BMPH Exp BMPH B'x7' Tx 7' 10'x7' 12'x7' 14'x7' 15'x7' 2:16'x7' Zone 1 90 116 12.9/-14.7 _ 12.8/-14.5 12.7/-14.3 12.5/-14.1 12,4/-13.9 12.3/-13.8 12.3/-13.7 oFt&2:•. �s � .:.'".:p ye.:.1x5t_=Y __ 2.6:Of 1 _ '" ls:$Jt$79 gr..15i7-1?w1:. � 1 ._5 1Zf4°.._..: 2 3.'37.i ~'-_.1S.2�;I7.0•m4 1S: — - �L �a Zone 3 110 142 19.3/-21.9_ 19.1/-21.6 �19.0/-21.4 18.7/-21.0 18.S/-20.7 18.4/-20.6 18.3/-20.4 ;t..Zorie4 '4,�0 " 4 5 �0 2KEF i$'2L8. 2261255 _ 'x23%�SiO 2.2Of24: ',2 S'tl` 1$J2 3,.. Zones 130 168 27.0/-30.6 26.7/-30.2 26.5/-29.9 26.2/-293 25.9/-28.9 25.7/-28.7 25.6/-28.5 .s+-.w.. £�a-';P-',.•�--:-� _":- ,'+`�. r`a'^ +"•T '.'�4 ;�q_�-..+r/,w.. v,e'^t.•Fs-+r.+r•�^-- - ''T?40: �s�T81.-,,� �r-33 �355'°:� ° 31 ''--�..,-.'<30:$J=3?h7`;..�'.,;3,fl.4/:34.0 Y� r�$_�,tSPd133:5"R,::o_.1a4':$,-33:3':�;..'•29:7/,*3 �. Zone 7 150 194 35.9/-40.8 35.6/-40.2 4�35.3/-39.8 34.8/-39"1 34.4/-38.5 34.3/-38.2 34.1/-38.0 246 1g3 J zA3:$.". Zone 9 166 214 43.9/-49.8 43.6/-49.3 43.3/-48.7 42.7/-47.8 _42.2/-47.1 42.0/-46.8 41.8/-46.6 'the higher Exp B values applyto doors greater than 10'wide :510°Roof Slope/Commercial Applications C.H.I. ASCE 7-05 ASCE 7-10 Pressure(PSF)by Door Width Wind Zone Exp BMPH Exp BMPH 8'x8' 9'x8' 10'x8' 12'x8' 14'x8' 15'x8' 2:161x8' Zane 1 90 116 11.7/-13.3 11.6/-13.1 11.6/-13.0 11.4/-12,7 11.3/-12.6 11.2/-12.5 11.2/-12.4 t1 SZone,2�,W `.`�:.• 3Q0;-,a. .-:-•129�-u 24:5-164°,:;"'-'1•'4_9%16��'-w..'143/-16.'0_s'...:`24:ff/=15.7,''—i_�':13:9/�5.5�••:-�'�_13:8-13-4`°^.::`•`19 8].53';� Zone 3 110 u 142 17.5/-19.9 17.4/-19.6� 17.3/-19.4 17A119.0 16.8/-18.8 15.7/-18.6 16,7/-18.5 Zone 4• ry 120_ c.1S5 _ 20:9'-23 S 20:7/]3:3;;'' 20i5-231 20:3=22:7 20.17=22:3 ,i9 9-23 2: 19:8'22:1"w Zone 5 130 ~168 24.5/-27.7 24.3/-27.4 _Y 24.1/-27.1 23.8/-26.6 �23.5/-26.2 ry 23.4/-26.0 _23.3/-25.9 :.y,^ ---r .>2.'=..:...+r-.�++.-�.-rm«-., y»;..�- *•ems=o'w;-:-'^'"— _ Tone S - 140'u 181y;''Ys . :Z8:4f'32 2'_ ,m 28.2Js31:7: _,`.,28:w3l.4"_ y__'27.6f i57: 27.3j Zone 7 150 194 - 32.6/-36.9 4 32.3/-36.4_ 32.1%-36.0 31.7/-35.4 31.3/-34.9 31.1/-34.7 31.0/-34.5 ;_. y3Z.7/�36.5 ��' Zone 9 166 214j 39.8/-45.0 N 39.4/-44.4 39.1/-44.0 38,6/412 38.2I 42.5 38.0/42.3 37.8/-42.0 General Notes -Exp B values are to nearest miles-per-hour(MPH) ---Pressure values are pounds-per-square-foot(PSF) ----- Mean Roof Height(MRH)/Exposures(Exp) -..- -Positive pressure signifies pressure acting inward to the building MRH Exp B EXp C Exp D -Negative pressure signifies pressure acting outward from the building 15' _ 100% _ _ 90% _ 82% -Enclosed structure classification with 2'of the door In the end zone r-20'-`" •` _--��100%;;- •'� ; 8B r$0%: - - -60'x4d building size(larger buildings may require higher negative PSF) 25' 100% 86% 78% -30'Mean Roof Height(MRH),see chart for differing MRH and Exp values _ _.3Q'.,r` _ -.,:s:1Q0%;��: _ _'•;i84°fo`=_: - ';;�7i6,_ --=Greaie door heights require lower PSF values to meet same MPH 35' 97% 83% 76% . AVF 7_nc oozes _--- — 45' 9456 80% 74% —_ -Importance Factor of 1.00 80% 74% -Utilizes nominal/basic wind speeds 55 91% 79% 73% ASCE 7-10 notes These percentages reduce Exp B wind speeds to approximate MPH for mean roof .-Risk Catergory ti heights shown in MRH column. -Utilizes ultimate wind speeds Page 2 of 6