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A TT ACHED & FREEST ANDING COVERS AND UTILITY SHEDS Allowable Roof Beam Spans for Carports, Patio Covers, Screen Rooms, and other Open Buildings with Solid Roofs Aluminum Alloy 6063 T~ 102 MPH 110 MPH 17# 1 Sq. Ft. 20# 1 Sq. Fl 2" x 3" x 0.050" Hollow Tilt g'-g" 'g'.{)" 8'.11" 8'.3" 8'-3" 7'.7" 7'.9" 7'.1" 7'.3" 6'-8" 6'.11" 6'-4" 6'.7" 6'.1" 6'-4" 5'.10"; 2" x 3" x 0.050 Hollow 11 '.1" 10'.3" 10'.2" g'-4" g'.S" 8'-8" 8'.9" 8'.1 " 8'.3" 7'-8" 7'.10" 7'-3" 7'~" 6'.11" 7'.2" 6'.7" Table 2,1.1: Wind Zone = Applied Load = Load Width 5' 6' 7' 8' g' 10' 11' 12' Load Width 5' 6- 7- s- g' 10' 11' 12' - .- --'~'fl!t'3;"'l!!'Ol"ll':.Y.~-. ." --- - - +-...".....- . . 120 MPH 23# I Sq_ Ft. 8'.5" 7'-8" 7'.1" 6'.8-' 6'.3" 5-.11 ,- 5'-8" 5'.5-' 9'.r S'.9-- 8'.1 ,- 7-.r 7'.,-- 6'.9-' 6 - -5"' 6-.2" 125 MPH 26111 Sq. Fl 7'.11" 7'.2" 6--8" 6-.3" 5'.11 ' 5.7" 5--4" 5-.1 " 8'.11 ,- 8'.2" 7'-7"' 7-.1-- 6-8'- 6-4-- 6'.1'- 5'.10'- SECTION 2 140 MPH 3211 I Sq_ Ft. 7'.1 " 6'-8" 6'.{)" 5'-8" 5'-4" S'.{)'- 4-.10'- 4'.r 8'-1" 7'.5" 6.10" 6'.5'- 6'.{)'- 5'.9-' 5'-8'- 5-.3" g'.11'- 8-11-- g.{)" 8".r 8'-4" 7'.r 7'.10'- 7'.1 ,- 7'.5" 6'-8" 7'.{)" 6'-4" 6'-8-' 6'.{)-- 6'.5" S'.g" 11'-1'- ~ 0- .{)'- , 0'.2'- 9--2" g , -5"' 8-8-- 8-.9-- t -11-- 8.3'- 7 --8" 7'.10'- 7'-1 " 7' -8'- 6'.9" r -2'- 6'-8'- , 1 '.9'- 10-.7'- , 0'-8'- g--8-- 9'.11'- 8.11-- 9.3'- 3--4'- 8.9'- 7.' 0-- 8-.3-- 7 --8'- 7' .11" 7-.1 ,- 7-.T 6.10'- 11'.2" 10'-4" 10'-4" 9'.7" 9'.8" 8'.11" 9'.2" 8'.5" 8'-8" 7'.11 " 8'-3" 7'.7" 7'-11" 7'-3" 2" x 4" x 0.050" Hollow 13'.9" 12'-8" 11'.10-- 12'.T 11'-7"' 10'.9-' 11'-7"' 10'-8" 9-.11-' 10'.10" 1 o '.{) " 9-4-- 10'.3" g'.S" 8--W' g'.g" 8'.11" 8"-4-' 9'.3" 8'-8" r.l1-' 8'.10" 8'.2" 7-8-- 2" x 4" x 0_038" x 0_100" Self Mating Beam 14'-8" 13'-4" 12'-8" 13'.3" 12'.2" 11'-4" 12'.3" 11'.3" 10'-8" 10'-7"' 9-.10-' g-.11" 9-T g'.S" 8-.10" g'.{)" 8 - s- 8'.7" 8-.1 ,- g' 10' 11' 12' Load Width 5- 6' 7- s- g- 10' 11' 12' Load Width 5- 6- 7- S' g- 10' 11' 12' W.3" g'.g-- g'-4" Example: For 2" x 4" x 0038" x 0100" Self-Mating Beam; Beam span between upnghts use load Width to enter table For 12' Roof Panel + 2' Overhang; Load Width = LW = 12' 1 2 + 2' OH = 8' ; Enter table on left at 8' read allowable span under reqUired load; Thusfor 100 M PH wind loadlllve load or 17 #/Sq Ft and Load Width = 8-.0- Max1mumBeamSpanfor2'-x4-'x0038"x0100'-= . '11"5" l Spans do nOllnclude length ofmee brace Add honzontalleng h ofmee brace to abo/e spanslClrtOlcl beam spans Lawrence E. Bennett, P.E. 0Vl. ENG#EER - DEYEL~ CONSU. T ANT P.o. BOX 4368, SOVT1-1 DA YTON.A, FL 3Z1Z1 TElEPl-iON: (00.4) 767.4 n 4 FAX (004) 767.6556 @ COPYRIGHT 1998 NOT TO BE REPRODUCED ,. WHOLE OR ,. PART WITHOUT TI-E WRITTEN PERt.ISSlON Of LAWRENCe E BEl'oIoETT, PE. SEAL PAGE 59