Grain Systems Tanks PNEG-972 - Manual (Page 51)

9. Stiffener Instructions (Inside Stiffened Only)
PNEG-972 Construction Manual for 2.66" Corrugation 105' Diameter Tall Tanks (28 Rings and Taller) 51
Wind Ring Assembly
Figure 9R
1. To connect wind ring pipe to the stiffeners, attach with 3/8" x 1" bolts through the flange of the
stiffener. In some cases field drilling of wind ring locations may be required.
2. Attach wind ring pipe section to stiffener using two (2) 3/8" x 6" (S-7248) wind ring clamps.
3. Place pipes end to end without overlapping. Fasten together using two (2) wind ring couplers
and six (6) 3/8" x 1" flanged head bolts with flanged nuts. Couplers should be centered on the seam
of pipes.
Figure 9S