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SECTION 2 ATTACHED & .FREESTANDING COVERS AND UTILITY SHEDS PAGE Table 2.2.1: Allowable Attributable Roof Area per Post for Carports, Patio Covers, and other Open Buildings - ALUMINUM POSTS 1- .-.. ..---Wlnd=~~:~~~~-- ~'02 M~~~~1'20~MPH @2~~PH~~ll;~~~~i .-.~=~A~ll~~=~~~~. ==-- 17 tis~~o ,,~.!- _~3 tIIj.9. Ft:-_2f;_#lSq~Err!2~#lSq~ Ff~1 _ ._ f!~~.!'~_ . _.___ _ _ _ AII~wabl. R~of A~~.!n ~~.!.I!t_~~et for Y~_r!~lIsLoll~_S_()!,P()8t .. j tI.,!19!'lt ___~ ~~!d -'!,_L~d_ 2" x ~~x Gi" Ho'low_~~()!I_~__~ _ .. _ __ _____ _ : . __r....."_ __1_____.~!~________J_~1____ _1.~___ ...I___.~O___. )..79 :.. 65 ..~ 8'-7" J..1.~8.1... ~L__l__J?'_____ __67 _: 60 ; 48 : 9'-10" ,- 1,204 I 71 i 60 52 46 38. .. ..-.. ..! ... - -- ,- .- ...- "_.-..' --+- - - 11'-1" .. r 903 . 53 45 39 35 28 :_ Jt~l_ghL_ L()~dd}~= ~~ . - ;=_~-"_~_ ~:!C= o.O~~:. _Ho'~~w E~truslon or i 8'-2" 2,736: 161 . 137 119 105 86 . .. .___...__..d_......_ -- .----.----t. -... .... _d --- !. .--. d. -. t 9'-6" 2,502 I 147 ! 125 109' 96 78 1~~:~;i" _ _ ~ __--~~itt~:~-~~t=-=.-~-~= _~T~>=~~=:-r:-~ ::~~ nn--~: ----:~ - - . , ~~~~-. :-:--; ____!i!'g~~ ___ _ Lo.t!LnJJ~~ ~~'Jc~~..!C_o.ot~:Jt~!'~!"_Extr.ulllon .:-~'.u_rn!!'lJ-'!1.Alloy 6063 T-6 .... ~~~i~.~~.~~!~1~~ ~...tt~--E~i_-I;-:.-~~_=tj.._....[.. ...! ....1 ___l:!tt~ll~L__ LoaC!~Lbs 3" x 3" x 0,04.0" R!'JL~.!!'!~!t. ~!~mhlum ~"'~.~..10!. H-J~__. . ----.-1 ....._.10':lJ"_.~ _..2,38!._ ~Q 11!._._.~ .--"" f 92_.._.~ 74 11'-8" 1,786 105 89 78 69 --- 56-----' ~==-I!~:_:=l! ---.!~-~~- --~~=- -~[=:~~~ ~=___=6()___ ___. 53~-=~--_--:- 43 - -- --j ___.15'-0:.______ ___ 1,~~____ ___EJ1._.___ ___ 5~ __45 __ __40 .. i 33 ! ___ H~I.9_h_L__. ,d.b~d__'!'_I:_b~ 3" x ~~ 0.060" R~I_~_o~e<!_. ~,~~!.'!1l1Tl,_~~y3105 H.1_~ _. . : l~;~.J:tm--.r~!.J..:!!-I~~~ I. .~~ !. ~3 : 16'-6" 1,575 93' 79 68 61 49 I - H.'gl)~ ,Loadln Lbs ., 3" x 3" xo,O~O" F'llted Hollow Extrusion. Aluminum 6063 T -6 1._1~'-19"._ ,_.. 3,4()8.. I. 200 _ I 170 . 148 131, 107 . 1~:1~:1~":j.:jilt:t.A~~j5i.. f..:.... ~'... ..! ..... .!;J .. .;~ ..J Example: Find Roof Area Needed; Area = 'A'; Post Spacing ='S'; Structure Projection = W'; A = S x (W/2 + O_H.); If'S' = 7', W = 12', and O.H. = 2' then: 'Area' = 56 Sq. Ft. For a 10'-11" poll and 120 m.p.h. wind load or 23 # / Sq. Ft. post choices are: 1) 2" x 3" x 0.044" Hollow Extrusion 2) All post sizes listed below .the 2" x 3" x 0.044" Hollow Section Note: Where job conditions dictate a post height of 10'In a 120 MPH wind zone, a 3" x 3" Roll Formed COULD NOT BE used because when It Is more than 10' tall It can only support 39 SF of roof. On the other hand, a 3" x 3" Fluted Post WIth a post height of 10'. 7" can support an area of 128 square feet of area. Thus, design mutt ..tllly both height end area requirements. Lawrence E. Bemett. P.E. ow........ ~.GIlMILTANr P.o. IlOX ....1lOU1'H DAYTCIM, PI. MIlt , TIUJIttClNI! (tCM) 717-4774 FAX (104) 717._ SEAL 62 @ COPYRIBHT 1888 NOT to IE .u ..JDUCED .. WHCU! OR .. PART WrTHOUT ne WRTTEN PS-...,.. OF LAWIBCE E. BENNETT. P.E.