1.) Open holes in a walkable grid lift lines hang through.
View attachment 4844
[file]Image:IMG_0916.JPG|thumb[/file]
2. As above, but specifically a pair of I-beams 6"-12" apart and parallel to the center line, on the gridiron to hold a lineset's loft blocks. One set of beams per lift line.
View attachment 4844
[file]Image:IMG_0916.JPG|thumb[/file]
2. As above, but specifically a pair of I-beams 6"-12" apart and parallel to the center line, on the gridiron to hold a lineset's loft blocks. One set of beams per lift line.