|
|
Beam
Spacing
|
CAPACITY
(IN. LBS.)
|
3 x 1 5/8
(IU18) |
3 x 3
(IU24) |
3 x 3
(IU29) |
36" |
 19,380 Â
|
 28,800 Â
|
 35,500 Â
|
42" |
 18,100 Â
|
 27,200 Â
|
 33,600 Â
|
48" |
 16,700 Â
|
 25,300 Â
|
 31,100 Â
|
54" |
 15,300 Â
|
 23,200 Â
|
 28,600 Â
|
60" |
 13,800 Â
|
 21,100 Â
|
 26,000 Â
|
66" |
 12,300 Â
|
 19,000 Â
|
 23,400 Â
|
72" |
 10,900 Â
|
 16,900 Â
|
 20,800 Â
|
78" |
  9,500 Â
|
 14,900 Â
|
 **18,200 Â
|
84" |
  8,300 Â
|
 13,100 Â
|
**16,100 Â
|
90" |
  7,300 Â
|
 11,600 Â
|
 **14,200 Â
|
96" |
  6,500 Â
|
 10,300 Â
|
**12,700 Â
|
|