Grain Systems PNEG-1510 - Manual (Page 39)

8. Installation
PNEG-1510 Top Dry 24', 30' and 36' Manual Batch 39
Purlin Installation
24' Intermediate Purlin
Counting up from the lower end of the rafter, on the underneath side, the angle purlins bolt in the third hole
using 5/16" x 3/4" bin bolts. The angle is to be bolted to the underneath side of the rafters, joining rafter to
rafter, with the angle interior angle facing the center of the bin. Tighten all bolts.
(See Figure 8B.)
Figure 8B