Grain Systems Tanks PNEG-083 - Manual (Page 14)

3. 75' Roof Erection
14 PNEG-083 75' Roof Assembly
Figure 3D
Intermediate “Z” collar short section bolt the first short
section to the roof beam over which the ladder is to
be placed. Bolt to the beam through the fourth (4 th )
slot as shown below. Refer to roof sheet layout
on Page 18 concerning ladder placement.