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<br /> i MAXIMUM ROOF BEAM SPANS I
<br /> IN DECIMAL FEET :
<br /> SCREEN ROOF I SCREEN WALLS EXAMPLE:
<br /> WIND 110 MPH DEFLECTION W60 POOL ENCLOSURE
<br /> < -.-..-.-.-. [ COLUMN USED )--.-.----- >
<br /> 8 ' WALL
<br /> ROOF (F) (G) (H) (I) (J) (K) (L) . (M) (N)
<br /> 2x3 - 2x4 2x4 2)(6 2x7 2x8., 2x9
<br /> BEAM SPACING 2)(3 2x4
<br /> USED PB SMS PB SMS 5MB 5MB 5MB 5MB 5MB
<br /> 4.0' 18.42 19,08 1925 19,25 19,25 1925 1925 1925 1925
<br /> (H) 5.0' 17,08 17,58 17,75 17,75 17,75 1775 17,75 17,75 17.75
<br /> 2x4 6'.0' 16,08 16,58 16,75 16,58 16,75 1675 16,75 1675 1675 ' ?
<br /> !
<br /> PB 7'.0' 1525 15,58 15.75 15,75 15,75 15,75 15,75 15,75 1575
<br /> 8'.0' 14,58 14,92 15.08 15,08 15,08 1508 1508 1508 15,08
<br /> 9'.0' 1392 14.42 14.42 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 23.4 2 23,42 2342 23.4 2
<br /> (J) 5'-0' 20.08 20,08 20,25 20,08 21,58 21,58 21,58 21,58 2 \58
<br /> 2)(4 6'.0' 18.42 18,75 18,92 18,92 20.25 20,25 20,25 2025 2025
<br /> 5MB 7'-0. 17.42 ..17,92 17,92 17,92 19.08 19,08 19,08 19,08 19,08
<br /> \ 8'.0' 16,75 17,08 17,08 17,08 18,25 18,25 1825 18,25 1825 "
<br /> 9'.0' 16,08 16.42 16.42 16.42 17.42 17.42 17.42 17,42 17.42 -~
<br /> 4'.0' 28,08 28.58 28,75 28,58 29,92 31,92 31,92 3192 31,92 :
<br /> (K) 5'.0' 2608 26.42 26,58 26,58 27,58 2925 2925 2925 2925
<br /> 2X6 6'-0' 24,58 24,92 24,92 24,92 25,92 27,42 27.42 27.42 2742 ,
<br /> \ 5MB 7'.0. 23,25 23,58 23.75 23,58. 24.42 25,92 25,92 2592 25 92 '1
<br /> 8'.0' 22,25 22,58 22,58 22,58 23.4 2 24,58 24,58 24,58 24 58 ,
<br /> 9.0. 21.42 21,58 21,75 21,75 22.4 2 2358 23,58 235e 2358
<br /> \ 4'.0' 31,58 3208 32,08 3208 33,08 3492 3592 3592 3592
<br /> (L) 5'-0' 29.4 2 29,58 29,75 29,75 30,58 3225 3308 3308 33,08
<br /> 2)(7 6'-0. 27,58 27,92 27,92 27,92 28,75 30,08 30,92 30,92 3092
<br /> 5MB 7'-0' .26,25 26.4 2 26,58 26,58 27,25 28.42 2925 2925 2925
<br /> I 8'.0. 25,08 25,25 25.42 25.4 2 26,08 27,08 2775 2775 2775
<br /> 9'.0' 23,92 24,25 24,25 2425 2492 2608 2658 2658 2658
<br /> , 4'.0' 38,25 38,58 38,58 38,58 39.42 40,92 41,75 44,25 4425
<br /> \ (M) 5'.0. 35.4 2 35,75 35,75 35,75 36,58 37,75 3858 4075 40,75
<br /> 2x8 6'-0' 33.42 33,58 33,75 33.58 34.25 35.4 2 36,08 37,92 3792 c,
<br /> , ".
<br /> I 5MB 31,7' 31,92 33,58 35,92 a
<br /> 7'-0. I 31,92 31,92 32,58 34,08 3592 .'
<br /> , ~
<br /> 8'.0' 30,25 30,58 30,58 30,58 31,08 32,08 32,58 34,08 3408 ~;
<br /> 9'.0. 2908 29,25 29.42 29.42 29,92 30,75 31,25 3275 3275
<br /> 4'.0. 41,92 42,25 42.25 42,25 43,08 44,42 4508 47,42 4842 --
<br /> _. . (N) 5'.0' 39,08 44 58
<br /> 38,92 39,25 39,08 39,92 4108 41,75 4358 .
<br /> , 2x9 6'.0' 36,56 36,75 36,92 36,75 37.42 38.42 39,08 40,75 41,58
<br /> 5MB 7'.0' 34,92 34,92 34,92 34,92 35,58 36,42 3692 3858 3925
<br /> I 8'.0. 33,25 33.4 2 33.4Z, 33.4 2 33,92 3475 3525 36,75 37,42
<br /> - .
<br /> I 9'.0. 31,92 32,08 32,08 3208 32,58 33.4 2 3392 3508 3575
<br /> INTERPOLATION BETWEEN VALUES IS PERMISSIBLE
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<br /> I, ~ALUMINUM STRUCTURES MASTER PLAN
<br /> \ 52 ~ ENGlt-l:ERING, INC. @ COPYRIGHT AL, INC, \994
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