
Chapter 4: Installing Winding Bin Stairs (Intermediate to Eave)
Installing the Stair Sections (Intermediate Platform to Eave
Platform)
1. Align the bottom end of the first 5-step stair section (AA) to the handrail post (49) and the inside
stringer support (48) and secure using flange bolts (2) and flange nuts (3).
NOTE:
Hand-tighten the flange bolts (2).
Figure 4-2
Installing the first 5–step stair section
2
5/16 x 3/4 in. flange bolt (S-6606)
49
Bin stair handrail post (WBS-0004)
3
5/16 in. flange nut (S-3611)
AA
First 5–step stair section
48
Inside stinger support (WBS-0088)
PNEG-2077
TopDry – Platforms and Bin Stairs
41