
Chapter 3: Assembling the Tower
6. Assemble a catwalk diagonal (20) along with a catwalk lamination (21) to each side of the catwalk
support brackets (23) using 1/2" x 1-1/4" flange bolts (2) and 1/2" flange nuts (7).
NOTE:
a. Make sure to position the top flange (facing the support brackets) of the catwalk diagonal
(20) under the top flange of the catwalk lamination (21).
b. The catwalk lamination (21) is applicable only for 20K towers and not for 10K towers.
c. Install nuts (7) to the inside of the catwalk support brace (23) flanges.
7. Also assemble a catwalk support brace (22) between the catwalk diagonals (20) as shown using
1/2" x 1-1/4" flange bolts (2) and 1/2" flange nuts (7).
Figure 3-13
Installing the catwalk diagonals to the catwalk support braces
2
1/2" x 1-1/4" flange bolt (S-9062)
21
Catwalk lamination
7
1/2" flange nut (S-8506)
22
Catwalk support brace
20
Catwalk diagonal
23
Catwalk support bracket
PNEG-2328
Grain Bin Eave Towers (30' - 48' Bins)
21