Grain Systems Tanks PNEG-4075 - Manual (Page 112)

Chapter 7: Roof Assembly
Figure 7-34 Securing the overlapping upper and lower panels
A Lower roof panel (CTR-0265) D 5/16-18 x 1 flange bolt with sealing washer (S-
10260)
C Upper roof panel (CTR-0264) E 5/16 in. flange nut (S-3611)
14.Working in a clockwise direction, repeat the procedure to continue installing all the lower roof panels
and the upper roof panels onto the A-frames.
15.Field drill holes (B) into the roof panels (A) through holes in the top flange of the purlins (D). Fasten
the panels and the purlins securely using 5/16 in. bolts.
112 Pneg-4075 75 Ft Diameter 40-Series Bin