GSI Group PNEG-1451, Installation Manual

Page: 75 / 118

7. 4.00" Corrugation Farm Commercial Hopper Tanks (FCHT) 4-6 Rings
PNEG-1451 Ladder, Safety Cage and Platform for Hopper Tanks 75
Location of Field Drilled Holes for Eave Ladder Starter Brackets
The starter brackets must be located directly below the roof ladder (A). Before the starter brackets can be
installed, two (2) 3/8" holes must be drilled 4" below and directly in line with the top row of pre-punched
horizontal holes. The first hole, for the left hand starter bracket (B), must be located 9-3/8" from the center
of the stiffener to the center of the hole. The second hole, for the right hand bracket (C), must be located
18-3/4" from the center of the first hole.
Refer to Figure 7B for the proper location of the two (2) 3/8" field
drilled holes (B and C) required to install the starter brackets.
Figure 7B
Ref # Description
A Roof Ladder
B Field Drill 3/8" Hole for L.H. Starter Bracket
C Field Drill 3/8" Hole for R.H. Starter Bracket
D Manway Panel
E 28-1/8" Reference
F 32" Typical
G 56-1/4" Typical