Grain Systems Tanks PNEG-4135 - Manual (Page 88)

Chapter 7: Roof Assembly
Figure 7-10 Supplier quick link
A Purlin C Supplier quick link
B Temperature cable bracket (CTR-0317)
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 105 ,
Assembling Purlin Number 2, page 103 , Assembling Purlin Number 3, page 101 , Assembling Purlin
Number 4, page 99 , Assembling Purlin Number 5, page 97 , Assembling Purlin Number 6, page 95 ,
Assembling Purlin Number 7, page 92 , and Assembling Purlin Number 8, page 91 .
88 Pneg-4135 135 Ft Diameter 40-Series Bin