Grain Systems Tanks PNEG-4072 - Manual (Page 80)

Chapter 7: Roof Assembly
Figure 7-9 Supplier quick link
A Purlin C Supplier quick link
B Temperature cable bracket (CTR-0013)
Attachment Locations of Purlins to Rafters
Purlins are horizontal members between the rafters that give support to the roof structure. The length of
the purlin determines its location on the A-frame assembly.
The following reference depicts a completely assembled A-frame roof rafter section with X-bracing
installed. For more information, see the following sections:
Assembling Purlin Number 1, page 89 , Assem-
bling Purlin Number 2, page 86 , Assembling Purlin Number 3, page 84 , and Assembling Purlin Number 4,
page 82 .
80 Pneg-4072 72 Ft Diameter 40-Series Bin