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.~ I' " ii 'I I' i! 'j I ,I :i ~ ~ ~ I ~ . .--- 52 MAXIMUM ROOF BEAM SPANS IN DeCIMAL FEET SCREEN ROOF I SCREEN WALLS WIND 110 MPH DEFLECTION L/60 EXAMPLE: POOL ENCLOSURE 8 ' WALL <--------1 COLUMN USED ,----> ROOF (F) (G) (H) (I) (J) (K) (L) (M) (N) BEAM SPACING 2x3 2x3 2x4 2x4 2x4 2x6 2x7 2x8 2x9 USED PB SMS PB SMS 5MB 5MB 5MB 5MB 5MB 4'-0" 18.42 19.08 19.25 19.25 19.25 19.25 19.25 19.25 19.25 (H) 5'-0" 17.08 17.58 17.75 17.75 17.75 17.75 17.75 17.75 17.75 2x4 6'-0" 18.08 16.58 16.75 16.58 16.75 16.75 16.75 16.75 16.75 PB 7' -0" 15.25 15.58 15.75 15.75 15.75 15.75 15.75 15.75 15.75 8'-0" 14.58 14.92 15.08 15.08 15.08 15.08 15.08 15.08 15.08 9'-0" 13.92 14.42 14.42 14.42 14.42 14.42 14.42 14.42 14.42 4'-0' 21.08 21.75 21.92 21.75 23.42 23.42 23.42 23,42 23.42 (J) 5'-0" 20.08 20.08 20.25 20.08 21.58 21.58 21.58 21.58 21.58 2x4 6'-0" 18.42 18.75 18.92 18.92 20.25 20.25 20.25 20.25 20.25 5MB 7'-0" 17.42 17.92 17.92 17.92 19.08 19.08 19.08 19.08 19.08 I 8'-0" 16,75 17.08 17.08 17.08 18.25 18.25 18.25 18.25 18.25 9'-0" 16.08 16.42 16.42 16.42 17.42 17.42 17.42 17.42 17.42 4'-0" 28.08 28.58 28.75 28.58 29.92 31.92 31.92 31.92 31.92 (K) 5'-0" 26.08 26.42 26.58 26.58 27.58 29.25 29.25 29.25 29.25 2X6 6'-0" 24.58 24.92 24.92 24.92 25.92 27.42 27.42 27.42 27.42 5MB 7'-0" 23.25 23.58 23.75 23.58 24.42' 25.92 25.92 25.92 25.92 8'.0" 22.25 22.58 22.58 22.58 23.42. .' 24.58 24.58 24.58 24.58 9'-0" 21.42 21.58 21.75 21.75 22.42 23.58 23.58 23.58 23.58 4'-0" 31.58 32.08 32.08 32.08 33.08 34.92 35.92 35.92 35.92 (L) 5'-0" 29.42 29.58 29.75 29.75 30.58 32.25 33.08 33.08 33.08 2x7 6'-0" 27.58 27.92 27.92 27.92 28. 75~ 30.08' . 30.92 30.92 30.92 5MB 7' -0" 26.25 26.42 26.58 26.58 27~25 28.42 29.25 29.25 29.25 8'-0" 25.08 25.25 25.42 25.42 26.08 27.08 27.75 27.75 27.75 9'-0" 23.92 24.25 24.25 24.25 24.92 26.08 26.58 26.58 26.58 4'-0" 38.25 38.58 38.58 38.58 39.42 40.92 41.75 44.25 44.25 (M) 5'-0" 35.42 35.75 35.75 35.75 36.58 37.75 38.58 40.75 40.75 2x8 6'-0" 33.42 33.58 33.75 33.58 34.25 35.42 36.08 37.92 37.92 5MB 7'-0" 31.75 31.92 31.92 31.92 32.58 33.58 34.08 35.92 35.92 8'-0" 30.25 30.58 30.58 30.58 31.08 32.08 32.58 34.08 34.08 9'-0" 29.08 29.25 29.42 29.42 29.92 30.75 31.25 32.75 32.75 4'-0" 41.92 42.25 42.25 42.25 43.08 44.42 45.08 47.42 48.42 (N) 5'-0" 38.92 39.08 39.25 39.08 39.92 41.08 41. 75 43.58 44.58 2x9 6'-0" 36.58 36.75 36.92 36.75 37.42 38.42 39.08 40.75 41.58 5MB 7' -0" 34.92 34.92 34.92 34.92 35.58 36.42 . 36.92 38.58 39.25 8'-0" 33.25 33.42 33.42 33.42 33.92 34.75 35.25 36.75 37.42 9'-0" 31.92 32.08 32.08 32.08 32.58 '" 33.42 33.92 35.08 35.75 IN " TERPOLATION BETWEEN VALUES IS PERMISSIBLE I . ~ ALUMINUM STRUCTUII.ES MASTER PLAN ENGWRING, K. @ COPYitlCHT AL, INC. 1994 l,r;,: l (~1V!30 l:t311n::> . ~1:'; G)rlV38 Y.3 dn:> 310N'9' rlO1V SLO' x .Z S dl1:> Y.3 0 SM3l:t:>S .. x 0 l Z I S-'UV JL3IQ VDOSV::dI OJL tdI3LLLnO I