Grain Systems Tanks PNEG-257 - Manual (Page 28)

6. Sidewall Assembly
28 PNEG-257 12', 15', 18' and 21' Bulk Feed Tanks BFT and GHT Series
Sidewall Erection
12'-21' Bulk Feed Tank
12'-21' Diameter Bulk Feed Tanks are designed to be built vertically utilizing bin jacks or a crane of
adequate capacity. Before bolting the sidewall sheets together, check that you have the proper gauge
steel for the first ring. The higher gauge number denote the thinner materials. (Example, 20 gauge material
is thinner than 14 gauge.) In erecting all bulk feed tanks the thinnest material always goes on top, therefore
the first sidewall ring you assemble will be the top ring of the tank. Check the various gauges of the tank
with the color code chart and begin building accordingly. Remember, assemble the top ring first. Note ring
overlap detail as shown
in Figure 6B .
NOTE: See Page 27 for proper gauges and color code chart.
IMPORTANT: The number of rings shown for each tank size are maximums. (21' 45° and 15' 60° tanks
have a 6 ring maximum. 12' 60° tanks have a 7 ring maximum. The 12' 45°, 15' 45° and
18' 45° tanks have an 8 ring maximum.)
Figure 6B Ring Overlap Detail
Figure 6C Caulking Detail (For 12' tanks only.) Figure 6D Caulking Detail (For 15', 18' and 21' tanks.)