Grain Systems Tanks PNEG-1000 - Manual (Page 76)

76 PNEG-1000 2.66" Commercial Tank Stiffener and Sidewall
12. Stiffener Assembly (Outside Only)
2 Stiffeners per Sidewall Sheet
Commercial Stiffener Starting Location - 36' Diameter and Smaller
2.66'' 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 bolt except horizontal seam. 19 Gauge and
20 gauge sidewall sheet will bolt four (4) locations per sheet. 18 Gauge will bolt at eight (8) locations per
sheet. 17 Gauge and thicker sidewalls will bolt every 2.66".
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 12A.)
Figure 12A
Ref # Description Ref # Description
A Horizontal Seam D Odd Ring Bins
B 1 Ring Offset Stiffener (SS-7064) E Even Ring Bins
C 2 Ring Offset Stiffener (SS-7065 or SS-6982)