CLEARSPAN
™
STORAGE MASTER
10
Revision date: 05.08.19
9. At the lower end of the rafters, verify that the position of
the purlin is 6'' up from the finished grade.
FRAME ASSEMBLY (CONTINUED)
6"
Inside of
shelter
1/2''
10. Install the remaining cross connectors and purlin
sections. Verify that the rafter spacing is the on-center
spacing for the shelter and tighten the connectors.
48"
center-to-center
11. Continued adding rafters and purlins until the frame is
assembled.
NOTE:
Remember to add band clamps to the lower
purlins between the second and third rafter at the
remaining end of the frame for the installation of the
struts.
Each purlin assembly consists of seven (7) 1.315'' x
75'' (131S075) swaged pipes and one (1) 1.315'' x
73.5'' (131P0735) plain pipe.
12. Finish each purlin run using the plain, shorter pipe
(131P0735), and use the final end rafter to complete
the assembly.
NOTE:
If the last end rafter is plumb and the purlin
run extends beyond the end of the rafter, cut the last
section of purlin pipe to the required length.
Typically purlin pipes
do not
require cutting.
Verify that
the finished purlin run has the correct plain pipe before
cutting any pipe.
CAUTION:
To prevent cover damage, the ends of the
purlins should extend no more than ½'' past the end
clamp. The bolt side of the end clamps must go toward
the “inside'' of the shelter (the same side as the purlin)
as shown.
End Rafter
Leg
