Grain Systems Tanks PNEG-4042 - Manual (Page 87)

PNEG-4042 40 Series 42' and 48' Diameter Bins 87
13. Roof Stiffener Location and Detail
Three (3) Stiffeners per Sidewall Sheet Commercial Stiffener
Starting Location - 42' Diameter to 48' Diameter 2.66" Reverse
Corrugation Outside Stiffener Only
Figure 13A
Ref # Description
A Splice Plate
B 1 Ring Top Stiffener
C 2 Ring Top Stiffener
D Horizontal Seam
E 2 Ring Standard Stiffener
For sidewall to stiffener connections, use 3/8" x 1" bin
bolt except horizontal seam. Stiffeners will bolt every 8".
NOTE: Splice plate and laminated stiffener to
sidewall connections, use 3/8" x 1-1/2" bin bolts.
Odd ring bins
Offset joints and 8 gauge splice plate 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. 3/8" Flange nuts used on all stiffener splice bolt connections.
Even ring bins