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SCREEN, ACRYLIC I VINYL, GLASS & MODULAR ROOMS SECTION 3 Table 3.1.1-120 Allowable Edge Beam Spans - Hollow Extrusions For Screen or Vinyl Rooms For 3 second wind gust at 120 MPH velocity; using design load of 23 #/SF (43 #/SF for Max. Cantilever) Aluminum Alloy 6063 T-G 2" x 2" x 0.044" 2" x 2" x 0.055" Load Max. Span 'L' / (bending 'b' or deflection 'd') Load Max. Span 'L' / (bending 'b' or deflection 'd1 Width (ft.) 1 & 2 Spar 3 Span 4 Span Max. Width (ft.) 1 & 2 Span 3 Span 4 Span Max. Cantilever Cantilever 5 4'.2- d 5'-1- b 4'~10- b 1'-0- d 5 4'.5- d 5'-6- d 5'-4- b 1'-1- d 6 3'-11- d 4'-?" b 4'-5- b 0'.110 d 6 4'-2- d 5'..{)- b 4'-10- b 1'..{)- d 7 3'-9- d 4'-3- b . 4'-1- b 0'-11- d 7 3'-110 d 4'-8- b 4'-60 b 0'.11- d 8 3'.7- d 3'-11" b 3'-10- b 0'-10" d 8 3'-9" d 4'-4- b 4'-2" b 0'-11" d 9 3'-4- b 3'-9- b 3'-8" b 0'-100 d 9 3'-8- d 4'-1- b 3'-11" b 0'-10" d 10 3'-2" b 3'-?" b 3'-5" b 0'-10- d 10 3'-6" b 3'-11- b 3'-9- b 0'-10- d 11 3'..{)- b 3'-5- b 3'-3- b O'.go d 11 3'-4- b 3'_go b 3'-?" b 0'-100 d 12 2'-11- b 3'-3- b 3'-2- b O'-g- d 12 3'-2- b 3'-7- b 3'-5- b 0'-10- d 3" x 2" x 0.045" 3" x 2" x 0.070" Load Max. Span 'L' / (bending 'b' or deflection 'd1 Load Max. Span 'L'/ (bending 'b' or deflection 'd') Width (ft.) 1 & 2 Span 3 Span 4 Span Max. Width (ft.) 1 & 2 Span 3 Span 4 Span Max. Cantilever Cantilever 5 4'.9" d 5'-10- d 5'-10- b 1'.2" d 5 5'-4' d 6'-7- d 6'-80 d 1'-3- d 6 4'-5" d 5'-6" d 5'-40 b 1'-1- d 6 4'-11- d 6'-2- d 6'-3- d 1'-2" d 7 4'-3" d 5'-1- b 4'-11- b 1'-0" d 7 4'.9" d 5'-10- d 5'-11- b 1'-2" d 8 4'..{)" d 4'-9- b 4'-7- b 0'.11- d 8 4'-6- d 5'-?" d 5'-6- b 1'-1- d 9 3'-11- d 4'-6" b 4'-4- b 0'-11- d 9 4'-4" d 5'-4- b 5'-2- b 1'-1" d 10 3'-9" d 4'-3" b 4'-2" b 0'-11- d 10 4'-3- d 5'-1- b 4'-11- b 1'..{)- d 11 3'.8- d 4'-1- b 3'-11" b 0'.10" d 11 4'.1- d 4'-10- b 4'.80 b 0'-110 d 12 3'-6- b 3'-11- b 3'-9" b 0'.10- d 12 3'.11- d 4'-8- b 4'-6- b 0'-11- d 2" x 3" x 0.045" 2" x 4" x 0.050" Load Max, Span 'L'/ (bending 'b' or deflection 'd') Load Max. Span 'L' / (bending 'b' or deflection 'd') Width (ft,) 1 & 2 Span 3 Span 4 Span Max. Width (ft.) 1 & 2 Spar 3 Span 4 Span Max. Cantilever Cantilever 5 5'-10" d 6'-10- b 6'-?" b 1'-5" d 5 7'.7" d 8'.8" b 8'-5- b 1'-10- d 6 5'-6- d 6'-3- b 6'-0" b 1'-4- d 6 7'.1- b 7'.11" b 7'-8- b 1'-9" d 7 5'-2- b 5'.9- b 5'.?" b 1'-3- d 7 6'.7" b 7'-4- b 7'-1- b 1'-8" d 8 4'.10' b 5'-5" b 5'.2- b 1'.2" d 8 6'-2" b 6'.11- b 6'.8- b 1'.?" d 9 4'.?" b 5'.1- b 4'.11- b 1'-2" d 9 5'.10- b 6'.6- b 6'.3- b 1'-6- d 10' 4'-4- b 4'-10" b 4'-80 b 1'.1- d 10 5'-6- b 6'-2- b 5'-11- b 1'.5- d 11 4'.1- b 4'.7" b 4'-5- b 1'-1- d 11 5'-3- b 5'.10- b 5'-80 b 1'-5- d 12 3'-11- b 4'-5" b 4'.3- b 1'-1- d 12 S'..{)" b S'-?" b 5'-5- b 1'-4- d Notes: 1, Above spans do not include length of knee brace, Add horizontal distance from upright to center of brace to beam connection to the above spans for total beam spans, 2, Spans may be interpolated, Lawrence E. Bennett, P.E. CIVIL, ENGINUR -DEVHOf'MENTCONSUI.TANT po. BOX 2143GB, SOUTH DAYTONA, FL 32121 TELEPHONE (3B6) 767-4774 FAX (3B6) 767-6556 @ COPYRIGHT 2003 NOT TO BE ~EPRODUCED IN WHOLE OR IN PART WITHOUT THE WRIITEN PERMISSION OF LAWRENCE E BENNEIT, P,E. PAGE 3,,29