Grain Systems PNEG-1510 - Manual (Page 40)

8. Installation
40 PNEG-1510 Top Dry 24', 30' and 36' Manual Batch
30' Intermediate Purlin
The upper purlins are bolted using 5/16" x 1-1/4" bolts in the ninth hole counting up from the sidewall. The
middle purlins are bolted in the fourth hole counting up from the sidewall. Bolt purlins to rafters with interior
angle facing the center of the bin as shown
in Figure 8C .
Figure 8C