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<br /> <br /> -.._---------- <br /> MAXIMUM ROOF BEAM SPANS <br /> IN DECIMAL FEET <br /> SCREEN ROOF / SCREEN WALLS EXAMPLE <br /> WIND 110 MPH DEFLECTION Ll60 POOL ENCLOSU <br /> <-----1 COLUMN USED , --------- > <br /> 8 'WALL <br /> ROOF (F) (G) (H) (I) (J) (K) (L) r- <br /> BEAM SPACING 2x3 2x3 2x4 2x4 2x4 2x6 2x7 <br /> USED PB SMS PB SMS 5MB 5MB 5MB I <br /> 4'-0. 18.42 19.08 19.25 19.25 19.25 19.25 19.25 <br /> - <br /> (H) 5'-0' 17.08 17.58 17.75 17.75 17.75 17.75 17.75 <br /> 2x4 6'-0' 16.08 16.58 16.75 16.58 16.75 16.75 16.75 <br /> PB 7' -0' 15.25 15.58 15.75 15.75 15.75 15.75 15.75 <br /> 8'-0. 14.58 14.92 15.08 15.08 15.08 15.08 15.08 <br /> 9' -0" 13.92 14.42 14.42 14.42 14.42 14.42 14.42 <br /> 4'-0' 21.08 21.75 21. 92 21.75 23.42 23.42 23.42 <br /> (J) 5' -0" 20.08 20.08 20.25 20.08 21.58 21.58 21.58 <br /> 2x4 6'-0. 18.42 18.75 18.92 18.92 20.25 20.25 20.25 <br /> 5MB 7'-0" 17.42 17.92 17.92 17.92 19.08 19.08 19.08 <br /> 8'-0' 16.75 17.08 17.08 17.08 18.25 18.25 18.25 <br /> 9'-0' 16.08 16.42 16.42 16.42 17.42 17.42 17.42 <br /> 4'-0. 28.08 28.58 28.75 28.58 29.92 31.92 31.92 <br /> (K) 5'-0' 26.08 26.42 26.58 26.58 27.58 29.25 29.25 <br /> 2X6 6'-0' 24.58 24.92 24.92 24.92 25.92 27.42 27.42 <br /> 5MB 7'-0. 23.25 23.58 23.75 23.58 24.42 25.92 25.92 <br /> 8'-0' 22.25 22.58 22.58 22.58 23.42 24.58 24.58 <br />. 9'-0' 21.42 21.58 21.75 21.75 22.42 23.58 23.58 <br />. 4'-0' 31.58 32.08 32.08 32.08 33.08 34.92 35.92 <br />. (L) 5'-0' 29.42 29.58 29.75 29.75 30.58 32.25 33.08 <br /> 2x7 6'-0. 27.58 27.92 27.92 27.92 28.75 30.08 30.92 <br /> 5MB 7' -0. 26.25 26.42 26.58 26.58 27.25 28.42 29.25 <br /> 8'-0' 25.08 25.25 25.42 25.42 26.08 27.08 27.75 <br /> - <br /> 9'-0. 23.92 24.25 24.25 24.25 24.92 26.08 26.58 <br /> 4'-0' 38.25 38.58 38.58 38.58 39.42 40.92 41.75 <br /> (M) - <br /> 5'-0' 35.42 35.75 35.75 35.75 36.58 37.75 38.58 <br /> 2x8 6'-0. 33.42 33.58 33.75 33.58 34.25 35.42 36.08 <br /> 5MB 7' -0. 31.75 31.92 31.92 31.92 32.58 33.58 34.08 <br /> 8'-0. 30.25 30.58 30.58 30.58 31.08 32.08 32.58 <br /> 9'-0' 29.08 29.25 29.42 29.42 29.92 30.75 31.25 <br /> 4'-0' 41.92 42.25 42.25 42.25 43.08 44.42 45.08 <br /> (N) 5'-0' 38.92 39.08 39.25 39.08 39.92 41.08 41.75 <br /> 2x9 6'-0. 36.58 36.75 36.92 36.75 37.42 38.42 39.08 <br /> 5MB 7' -0' 34.92 34.92 34.92 34.92 35.58 36.42 . 36.92 <br /> 8'-0. 33.25 33.42 33.42 33.42 33.92 34.75 35.25 <br /> 9'-0' 31.92 32.08 32.08 32.08 32.58 33.42 33.92 <br /> INTERPOLATION BETWEEN VALUES IS PERMISSIBLE <br /> I 52 ~ALUMINUM STRUCTURES MASTER PLAN <br /> :;d ENGIIEERlNG, 1He. @ COPYRIGHT AL, INC. 1994 <br /> . --...- <br /> <br />--------._----~.--------- <br /> <br />--------------------.------- <br /> <br />RE <br /> <br />(M) \- (N) <br />2x8 2x9 <br />5MB 5MB <br /> <br />19.25 <br />17.75 <br />16.75 <br />.--- <br />15.75 <br />15.08 <br />1442 <br /> <br />19.25 <br />17.75 <br />16.75 <br />1575 <br />15.08 <br />14.42 <br /> <br />23.42 23.42 <br />21.58 21.58 <br />20.25 20.25 <br />19.08 19.08 <br />18.25 18.25 <br />17.42 17.42 <br />31.92 31.92 <br />29.25 29.25 <br />27.42 27.42 <br />25.92 25.92 <br />24.58 24.58 <br />23.58 2358 <br />35.92 35.92 <br />33.08 33.08 <br />30.92 ~JO.92 <br />29.25 29.25 <br />27.75 27.75 <br />26.58 2658 <br />.;4.25 4425 <br />40.75 40.75 <br />37.92 37.92 <br />35.92 35.92 <br />34.08 34.08 <br />32.75 32.75 <br />47.42 48.42 <br />43.58 44.58 <br />40.75 41.58 <br />38.58 39.25 <br />36.75 37.42 <br />35.08 35.75 <br /> <br />l~ <br />