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i <br /> I <br /> >10°Roof Slope/Residential Applications <br /> C.H.I. ASCE 7-05 ASCE 7-10 Pressure(PSF)by Door Width, <br /> Wind Zone ExpIBMPH ExpBMPH 8'xT 9'x7' 10'x7' 12'x7' 14' 7' 15'x7' 21ii x7' <br /> 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 <br /> 'Zone 2 1 100 _ 15.7/-17.7 ', 15:5/-17A' 15:3/-17.1 _ 15:2/-17A <br /> W Zone 3 �10 4� 10.3/-21.n 10 1 _216 o nr�� lE. /-21^ 19.5/-2L 7 1&.4/-20.5 1S3/-20.4 <br /> �- . / 1 ,-21.4 7 <br /> Zone 4�? t12t7, 155'� 23 0%20.1 .' 22.8/ZS 8 22 6/25 5 _ ZZ:3/-E .O 22.OJ-24.6 2f9/-Z4:5. Zi.S/-24.3`� <br /> (lHO-ne <br /> one 5 -r1-330�- 168 27.0/30.6 _26.7J_30 2 26 5 29 9 26.21-293 25.9/-28.9-�25.7-28.7 25.6'-S <br /> one 6.~ 140.. 181'.; - s 31.3/-35.5 3L.0 35:1'+ ..;30:51-34:7 '.::":30.4/-34;0` _ 30.0%33.5 24 8/-333 _`-,2)X,,-33.1�; <br /> 7� 150 1194 35 9140 8 35.6140 2 35.3/39.8 34.809.1 39.1 34.4/-38-.5 34 3/-38.2 34.1/-38A_ <br /> 2^v /'Z.^.b 33 3.3' 3 3/w»:.._.._'.,W`....a_.'",�'%,.`.•`�'=_.a:.�.�t)';""" - �3�..2/.3.0. +39 017 3S, <br /> l+~�Zone 9 I 166M +f- 214 �i 43.9/-49.8 43.6/-49.3 43.3/-48.7 42.7/-47.8 42.2J-47.1 42.0/-46.8 41.8/-46.6 <br /> 'the higher Exp B values apply to doors greater than SO'wide <br /> :910*Roof Slope/Commercial Applications <br /> C.H.I. ASCE 7-05 ASCE 7-10 Pressure(PSF)by Door Width <br /> Wind Zone ExpBMPH Exp BMPH 8,x8, VIS' 10'x8, 12'x8' 14'x8' 15'x8' z16'x8' <br /> 'Zone 1 90 116 11.*13.3 _ 11.6/-13.1 11.6/-13.0 i1.4/42.7_ _ 11.3/-12.6 11.2j-12.5 11_.2j-12.4 <br /> Zone 2: _ 1_00 M_ 129'-' 14.51-16.4 w 14.4/-15:2, w,14.3�16.0' ,>�14.1/-15.7 13.9/-15.5A 13.8/-15,4 H _Zone 3 _ W �110_ 142 17.5/-19.9 17.4�/-19.6 17.3/-19.4 17.01-19.0 16.8%18.8 `16.7/-18.6 16.7/-18.5_ <br /> Zone 4 120 155 -' 20 9/73 5 20.71T233 20.5/-23.? 20 3/2a 7 00 0J-_22.3 19.9/-22.2. AS/-22.1 <br /> Zone 5 130 168 _24 5/27 7 24 3/-27.4 24.11-27.1 23 8/26 6 23 5/-26.2 23.4/-26 0 233/-25.9 <br /> Zone b ._ �140 181 �LL 28 4/32 2-:u 28.2I-31:7 4 18 u/,31.4__;V - 27 b/i0 8 Zi j-30.4 Z7.iJ-30.2 ..w27.0%-30.�1T <br /> Zone 7 150 194 _ 32 6/-36.9 32.3136 4 321/-36 0 3L7/-35.4 313/-34.9 311/-34.7 31_%34.5_ <br /> L199;� I _34 8.8 � 34A/38 3_33.7['37 9 .,;:,33:3/-37 2� "32.9/36:7 �317/-365 32.6/-36.2. <br /> Zone 9 I�166 yl 214 I 39.8/45.0 39.4J-04.4 39.1/-44.0 38.6/-43.2 38.2/-42.5 38.0%42.3 37.8/42.0�� <br /> General Notes <br /> -Exp B values areto nearest miles-per-hour(MPH) ' <br /> -PreiFnreval.w,c are pmmdFper-square-fnnt(PSF) Mean Roof Height(MRHI/Exposures(Exnl <br /> -Positive pressure signifies pressure acting inward to the building MRH UP B Exp C Exp 0 <br /> Negative pressuresignlfies�ressure acting outward from the bu!Iding 15' _ _ 10WG _ 90% 82% <br /> -Enclosed structure dass!fi tlon with 2'of the door in the end zone -20 b ^�_�"8Boo '�T'80•�" <br /> -60'x40'building size jlarge i buildings may require higher negative PSF) 25' 100'!0 86% 78%� <br /> -30'Mean R Height(MRH),see chart for differing MRH and Exp va!uK <br /> -Greater door heights requlrle lower PSF values to meet same MPH - 35 97% 83% 76% <br /> ASCE7-05notes 45' _ 94% 80% 74% <br /> -Importance Factor of 1.00 A50' p92°rb 80 74% emu{ <br /> -U!!Il=n_eni nM/ha<_!c xInd speeds � � 55 ry� 915C 79%% 73% <br /> 60' 90'ia, :78ro 73% <br /> ASCE 7-10 notes - These percentages reduce Exp B wind speeds to approximate MPH for <br /> mean ouf <br /> -Risk Catergory 11 heights shown in MRH column. <br /> -Utilizes ultimate wind spee s <br />