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!i II ~ i ~,':, \ ll! 1: r;; ~ i I ,I Ii i ~ I CARRIER BEAMS IN DECIMAL FEET SCREEN ROOF - SCREEN WALLS UP TO 130 MPH WIND SPEED. EXPOSURE C DEFLECTION U80 SPAN<=12' DEFLECTION U180 SPAN >12' SPAN OF CARRIER BEAM Wall Heiaht 13' 15' 1T 20' 20' 25' 25' 25' 25' 25' 25' (H) (J) 2x4 (K) (L) 2><6 (M) (N) (0) (P) DBL 2x7 (AS) DBL (AT) DBL Feet 2x4 PB 5MB 2x5 5MB 5MB 2x7 5MB 2x8 5MB 2x9 5MB 2x10 5MB 5MB 2x8SMB 2x9 5MB L 10 13.50 15.90 18.50 22,10 25.20 30.60 33.80 42.10 31,50 32,30 42,70 0 15 11.70 13.80 16.00 19.10 21.80 26.50 29.30 36.50 27.30 28.00 37.00 A 20 10.50 12.40 14.50 17.20 19.60 24.00 26.50 33.00 24.60 25.30 33.40 0 25 9.30 11.50 13.10 15.50 17.40 21.80 23.70 30.50 22.80 23.40 30.90 I 30 8.40 10.80 11.90 14.10 15.80 19.80 21.50 28.00 21.40 21.90 29.00 N 35 7.80 9.70 10.90 12,90 14,50 18.20 19.80 25.80 20.20 20.30 27.40 G 40 7.20 9.00 10.20 12.00 13,50 17.00 18.40 24.00 18.60 17.90 26.20 45 6.80 8.50 9.50 11.30 12.70 15.90 17.30 22.60 16.60 16.00 25.10 D 50 6.40 8.00 9.00 10.70 12.00 15.10 16.40 21.30 15.00 14.40 23.10 I 55 6.10 7.60 8.60 10.10 11,40 14.30 15.60 20.30 13.70 13.20 21.10 S 60 5.80 7.20 8.20 9.70 10.90 13.70 14.80 19.40 12.60 12.10 19.40 T 65 5.60 6.90 7.80 9.30 10.40 13.10 14.2C! 18.50 11.70 11.20 18,00 A 70 5.40 6.60 7.50 8.90 10.00 12,60 13.70 17.80 10.90 10.50 16.70 N 75 5.20 6.20 7.20 8,60 9.60 12.10 13.20 17.20 10.20 9.80 15.60 C 80 5.00 5.80 7.00 8.30 9.30 11.70 12.70 16.60 9.50 9.20 14.70 E 85 4.80 5.50 6.80 8.00 9.00 11.30 12.30 16.10 9.00 8.70 13.90 INTERPOLATION BETWEEN VALUES IS PERMISSIBLE. VALUES IN DECiMAl FEET. COLUMN SHALL BE SIZED FOR THE HEIGHT AND SHALL BE GREATER THAN OR EaUAL TO THE BEAM. MUL TlPL Y THE ALLOWABLE SPANS BY THE FOLLOWING FACTORS TO GET ALLOWABLE SPANS FOR DIFFERENT WlNDSPEEDS WIND SPEED FACTOR 140 0.95 (B) (B) '" '" '" e R e 'V (B) (A) CARRIER BAEAM ~ CB) ROOF BEAM CC) ROOF BEAM CB) CD) PURLIN LOADING D1STANCE:z B + C CB) SPAN OF CARRIER BEAM = LENGTH OF A e e '" EXAMPLE' R 1~ TO DETERMINE THE CORRECT SIZE FOR THE CARRIER (C) " ~ I.&J% CB) 0....<[ BEAM AT A HEIGHT OF 15' OR LESS, ESTABLISH THE ciQ!w TOTAL LOADING DISTANCE (10'+20'=30.0') AND THE SPAN (A) ~-~~ OF THE CARRIER BEAM no.o') AND THEN FIND <10.6') UNDER THE 2)(4 5MB AS THE SIZE. THEREFORE, A I I 2X4 5MB CARRIER BEAM ....ILL ....ORK IN THIS INSTANCE. 10' 20' I 30' PLAN VIEW' CBDU- , 3871 TANIANI lRAIl. SUITE E ~ ALUMINUM STRUCTURKS JlASTZR PLAN PORT OiARlOTTE. F\. 33952 PAGE 118 OF 266 PHONE: (941) 627-4901 ENGINEERItG, If<<:. , @ COPYRIGHT AI. DCINDRING, INC. 2002 FAX: (941) 624-2382 AL ENGINEERING. INC. F\.ORlDA UCENSE 17441 I I I ;; Ii ~! ,I I I I I I I I I I I i ,i " I. I I I I j, I I I' I I ,i I I I i ~