Grain Systems Bin Accessories PNEG-1859 - Manual (Page 52)

9. 2.66" Commercial Tank Roof Instructions
52 PNEG-1859 2.66" Corrugation 135' Diameter Tank with 50 PSF Snow Roof
Purlin Attachment to Roof Beams
(Refer to Figure 9H on Page 54 and Figure 9I on Page 55 detail B1-K1.)
Location B1
Attach two (2) purlin clips (CRP-6373) to each side of the beam at purlin location B1 using three (3)
1/2" x 1-1/2" bolt (S-3728) and nut (S-3729). Attach purlin (CRP-6370) to purlin clip (CRP-6373) using
four (4) 3/8" x 1-1/2" bolt (S-7928) and flange nut (S-9373).
Location C1
Attach four (4) purlin clips, two (2) CRP-6383 at the lower set of holes and two (2) CRP-6393 at the
upper set of holes using six (6) 5/8" x 2" bolts (S-4329) and nuts (S-4110). Attach purlin (CRP-6384) to
purlin clips (CRP-6383 and CRP-6393) using six (6) 3/4" x 2-3/4" bolts (S-8387), washers (S-866) and
nuts (S-234). NOTE: Upper purlin clip (CRP-6393) painted ochre. 3/4" x 2-3/4" Bolts (S-8387) must be
used for the C1 clip to purlin connection.
NOTE: Purlin (CRP-6384) is etched with “TOP”. Orientate “TOP” up.
Figure 9G C1 Purlin Orientation
Location D1
Attach two (2) purlin clips (CRP-6373) to each side of the beam at purlin location D1 using three (3)
1/2" x 1-1/2" bolt (S-3728) and nut (S-3729). Attach purlin (CRP-6374) to purlin clip (CRP-6373) using
four (4) 3/8" x 1-1/2" bolt (S-7928) and flange nut (S-9373).
Location E1
Attach two (2) purlin clips (CRP-6373) to each side of the beam at purlin location E1 using three (3)
1/2" x 1-1/2" bolt (S-3728) and nut (S-3729). Attach purlin (CRP-6453) to purlin clip (CRP-6373) using
four (4) 3/8" x 1-1/2" bolt (S-7928) and flange nut (S-9373).
Notice orientation of “Top” etching
in purlin.
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