Chapter 7: Roof Assembly
Figure 7-11 Location of purlins for a 72 ft (21.95 m) diameter bin
A
Location of purlin number 1 (CTR-0420)
C
Location of purlin number 3 (CTR-0422)
B
Location of purlin number 2 (CTR-0421)
D
Location of purlin number 4 (CTR-0136)
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Pneg-4072A 72 Ft Diameter 40-Series Bin