Grain Systems Tanks PNEG-1000 - Manual (Page 78)

12. Stiffener Assembly (Outside Only)
78 PNEG-1000 2.66" Commercial Tank Stiffener and Sidewall
3 Stiffeners per Sidewall Sheet (Continued)
Commercial Stiffener Starting Location - 42' to 105' Diameter
2.66'' Reverse Corrugation Outside Stiffener Only
NOTE: Certain tanks may be stiffened to the eave. Refer to the tank gauge layout sheet to determine if
this is the case for the bin.
For sidewall to stiffener connections, use 3/8" x 1" bin bolts except horizontal seam. Stiffener will bolt
every 8".
NOTE: Splice plate and laminated stiffener to sidewall connections use 3/8" x 1-1/2" bin bolts.
Offset joints and 8 gauge splice plated joints use 3/8" x 1" hex flanged head bolts. All other stiffener
joints use 3/8" x 1-1/2" hex flanged head bolts. Flanged nuts are used on the nut side of all stiffened joint
connections.
(See Figure 12C.)
Figure 12C
Ref # Description Ref # Description
A Horizontal Seam D Odd Ring Bins
B 1 Ring Offset Stiffener (SS-7064) E Even Ring Bins
C Top Stiffener (One Per Sidewall Sheet) (SS-7066)