Laserfiche WebLink
<br />SECTION 2 <br /> <br />A TT ACHED & FREESTANDING 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 />Wind Load = 102 MPH 110 MPH 1---120MPH-----12-SMPH - 140 MPH <br />==-Applied L~~d-;--=_-r!7 #/5 . Ft. 20 #/5 . Ft.l23~(~~Ft,~~~~f#7s~q. Ft 32 #/Sq. Ft. _ <br />M~xl!TI.lJ!1l____H__ --L-_ Allowable Roof Area In 5ql!.~r~_ FElet for Various Loads on Post <br />HElig_ht .L9~clJI.!~_t:l.~___L 2" x 2" x 0.044" Hollow Ext!:!J~J<?rt.()r <br />7'-4" _ _ _~-'-Q?~,___~___J21 __103__ _ 1 90 <br />8'-7" 1-'-~48__L__~____--+----. ..77 ____ ~ 67 <br />9'-10" 1,?04 ?_1_ ____, _J)/) 52 <br />11'-1" 903 53 45 39 <br />------- ---'---_.._- .-..---.-.-----..----.------.- ------- - <br />H~ht _ Load in Lbs '_ 2" x 3" x 0.050" Hollow Extrusion or <br />-- -- 8'-2" ---2:~~E>-=------ - - _1.?[--- -,- -13[ 119 105 86 <br />9'-6" 2,502 147 125 109 96 78 <br />10'-11" 1,596 --94-------'---80' 69 61 50 <br />12'-3" 1:1'97 .-'70 ----60- 52 46 37 <br />:u --Heig~,_: -Lo'a-d in'[t>S-r3'-'-X 2';~x-o.oi(l" Hollo\\,_E_x}rus)on - Aluminuf!lAI/oy 6063 T-6 <br />8'-2" . 3,408 . 200 ' 170 I 148 131 107 <br />n -9'-6"" -2:556-- - -;- --1S0-u-~ ---128'- - 111 98 80 <br />-- ... --- -- ._--~-----._..'t..__.. -------------.....--t-----..- --- - - t' <br />10'-11" 1,988 i 117 : 99 : 86 76 62 <br />--=--i?'-3~_ __~:= 1A91---i--aa----T----=.=r5-==I 65 ; 57 47 <br />Height .. Load in Lbs I 3" x 3" x 0.040" Roll Formed - Aluminum Alloy 3105 H-14 <br /> <br />~~--~~~:~:~--~----~t~---l- ~~~-F- ~19fL,~Ju~-1;~'----~: . -~~ --. ~~ <br /> <br />. -- -------- ----- ~--- ------------,'-------------- ~_. - <br /> <br />----+;~~~:: i -~'~~---___i-n-~~--+--~~-----r- -~~ ; l~ ~; <br />~~~~;6;1 : 10~:~gt13" 1~XO~O"~~~FOnnfd. ~'rum AIIO;;r" H-14 '8~J <br /> <br />14'-8;'-2:106 ---'1'- -{24---r--10SH- u_ 91 81 66 <br />16'-6" 168-. 61 <br />. .~. <. ''';;.\.:~.I.,...,?:; > :' _~,' ,,:'" <br /> <br />79 <br />60 <br />46 <br />35 <br /> <br />65 <br />48 <br />38 <br />28 <br /> <br />- j <br /> <br /> <br />"-, <br /> <br />15'-10" <br />17'-10" <br /> <br />-----3.408 <br />2,556 <br />1 ,988 <br />. j~~L_:J~__ <br /> <br />131 <br />98 <br />76 <br />57 <br /> <br />107 <br />80 <br />62 <br />47 <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' = 1', 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 # / 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 />aV1 ENO#EER - OIEVELCA.ENT CONSU. T ANT <br />P.O_ BOX 4368, SOUTH DAYTONA, FL 32121 <br />T'El..EPHClN: (9004) 787 - ~ n ~ <br />FAX (9004) 787-11558 <br /> <br />SEAL <br /> <br />PAGE <br /> <br />62 <br /> <br />@ COPYRIGHT 1998 <br />NOT TO BE REPRODUCED N WHOlE OR N PART wm-tOUT nf WRITTEN PERMISSION OF LAWRENCE E. ElEN'EfT, P.E. <br />