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<br />SECTION 2 <br /> <br />A TT ACHED & FREEST ANDING COVERS AND UTILITY SHEDS <br /> <br />Table 2.2.1: Allowable Attributable Roof Area per Post for Carports, <br />Patio Covers, and other Open Buildings - ALUMINUM POSTS <br /> <br />--------------------------------. --------- <br />Aluminum Post <br />~_~~~iiidLoaEL<~_ __~102MPH I 110MPH I 120M~H ~ 1~I~?-H~- 140MPH <br />~ _~__ ~~~ LO~E_= ~ _~ __~ 7 #/Sq. Ft. I 20 #/Sq. Ft. t~3 #/~Et~" _~~ #/Sq. Ft. ~2 #/Sq. Ft. <br />Maximull! ~ _ _~u AI!owable RoolArea in S~~~ _E~et for Various Loads on Post <br />Height Load in Lbs 2" x 2" x 0.044" Hollow Extrusion or <br />7'-4" - -2,064 -+---- 121 103 ~~-~-90~ <br />8'.7"-1,548~~-91---~,-;,n-- +~- 67 <br />9',10" 1:204 -71- -~--60~--~ ~. 52 <br />-- --. <br />11 ',1" 903 53 45 39 <br />.-.-- --._- ------.-.-..- ._------~_._+..._.. -_._._- - <br />H!l~~t L~~d lr:!d!-!>~ 2" ~~x_ 0.050" Hol~~w Extrusion or <br />8'.2" 2,7~6~ 1~~~ 1~? 119 <br />9'.6" 2,502 147 125 109 <br />10',11" 1,596 94~ ~~u-~~8() 69 <br />- -------- - - <br />12'.3" 1,197 70 60 52 46 37 <br />___lieight _~~ ~oa~~lndLbi=rj.'ja.~~x-o.oio.-,H~flo~ ~x1i~s!~n. AlurTlinum Alloy 6063 T-6 <br />8'-2"3,~01:l~ ~ ~~ _?Q~----L ___1?9_ ~ 148 131 107 <br />9'.6" 2,556. 150 ! 128 I 111 . 98 80 <br />16;~11"~~ -1,988- -- +~-11i~u+- ~ 99-- r '86 . 76 62 <br />_~__~2~~:t~~=_ ~-1:49(===88- 1--75 ~-=-=L~~~~5- ~_ _ ~ __ _ 57 47 <br />~!l~hJ___1J.:oad in Lb~~" x 3" x 0.040" Roll Formed - Alum~~IEt~!0~~1:l~1~ <br />;n~~~>_:_ -~~1~-~--J~-~~~ + ~~~ _J___;~4_~_~_l -- ~~ _ ,-, <br />13'.4" . _ ~})~~~_~~=~~=-82=~=J~~-=69~=:r~==](L- +- 53 <br />15'.0" 1,042' 61 . 52 '45 40 <br />Height Load-(n Lbs-r3'~x3;;x6i6()"RoITForrll~~d-~ Aiuminum Alloy 3105 H-14 <br />--(1'_0" ~- -),~06--~ =~:~-:-~i?----~=r:-:-J~q _~J:u-- -157 -138 <br />12'.10" 2,700 159 135! 117 104 <br />~ -- -_._- -j--- ----~-.-_..----t...-. - _.~.._--_...... <br />14'.8" 2,100 124 I 105 91 81 <br />16'.6" <br /> <br />79 <br />60 <br />46 <br />35 <br /> <br />65 <br />48 <br />38 <br />28 <br /> <br />105 <br />96 <br />61 <br /> <br />86 <br />78 <br />50 <br /> <br />74 <br />56 <br />43 <br />33 <br /> <br />113 <br />84 <br />66 <br /> <br /> <br />Example: <br />Find Roof Area Needed; Area = 'A'; Post Spacing ='S'; Structure Projection = 'W': <br />A = S x (W/2 + O.H,); If'S' = 7', W = 12', and O,H, = 2' then: 'Area' = 56 Sq. Ft. <br />For a 10'.11" post and 120 m.p,h. wind load or 23 # I Sq. Ft. post choices are: <br />1) 2" x 3" x 0.044" Hollow Extrusion <br />2) All post sizes listed below the 2" x 3" x 0,044" Hollow Section <br />Note: <br />Where job conditions dictate a post height of 10' in a 120 MPH wind zone, a 3" x 3" Roll Formed <br />COULD NOT BE used because when it is more than 10' tall it can only support 39 SF of roof, On the <br />other hand, a 3" x 3" Fluted Post with a post height of 10'. 7" can support an area of 128 square feet of <br />area, Thus, design must satisfy both height and area requirements. <br /> <br />Lawrence E. Bennett, P.E. <br />C/YI. ENO/IoEER ' 0EVEL0PltENT COHSU. T ANT <br />P,O. BOX 4368, SOVTli DAYTONA, FL 32121 <br />TEl..EPHOf\E (9Q.4) 787, 4 n 4 <br />FAX (9Q.4) 787,8556 <br /> <br />SEAL <br /> <br />PAGE <br /> <br />62 <br /> <br />@ COPYRIGHT 1998 <br />NOT TO BE REPRODUCED N WHOU: OR N PART WTTHOUT nt:: WRITTEN PERIdSSlON OF LAWRENCE E. ElE/'oIoETT, P.E. <br />