Grain Systems Tanks PNEG-1000 - Manual (Page 71)

11. Stiffener Instruction (Outside Stiffened)
PNEG-1000 2.66" Commercial Tank Stiffener and Sidewall 71
Stiffener to Sidewall Connections 3 Post Tanks
NOTE: Use the dimensioned holes for stiffener to sidewall connections on 3 post tanks.
Figure 11L
NOTE: Some locations in the lower regions of the tank utilize close punched sheets where the stiffener
will attach more frequently.
Ref # Description
A Horizontal Seam Clearance Holes
B 2 Ring Offset Stiffener (The same hole locations are used
for 14 gauge and 15 gauge 2 ring stiffener (SS-7065).)
C 2 Ring Standard Stiffener