12
Revision date: 01.01.20
GROWSPAN
™
ROUND PREMIUM EXTRA TALL HIGH TUNNELS
Inside of
Shelter
Outside of
Shelter
Rafter
Ground
Post
3. Secure the leg pipes to the
ground posts top hole
using
5/16" x 2-1/2" machine bolts and nuts as shown below.
FRAME ASSEMBLY (CONTINUED)
4. Assemble the center support by inserting the swaged
end of one 99" pipe into the non-drilled end of the 82"
pipe and secure the joint with a Tek screw.
5. Once the support is assembled, place the drilled end
over the first center ground post and slide the upper
end into the combo socket fitting at the top of the end
rafter.
NOTE:
It may be necessary to align the socket fitting
with the center support during these steps.
6. With the upper end of the support in the socket fitting,
align the drilled holes in the center support with the
holes in the ground post and secure using the 5/16"
bolts (FAG336B) and nuts (FALB02B).
7. Once the support is anchored to the ground post,
secure it to the socket fitting at the top of the rafter
using an Allen wrench and the set screw.
DO NOT SECURE THE SOCKET FITTING TO THE
RAFTER AT THIS TIME.
End Rafter
1.90" Purlin
Center Support
ATTENTION:
Do not allow the center support pipe
to extend into the opening that remains for the upper
purlin.
8. Place the first interior rafter assembly (with QH1404
band clamps) into a second set of ground posts.
Secure the leg pipes to the ground posts as previously
described.
9. Assemble another center support and secure the
support to the first interior rafter.
10. Position two (2) cross connectors near the top of the
interior rafter assembly.
11. Take two (2) swaged 75" purlin sections and insert
each through each end clamp on the end rafter and
through the cross connectors on the interior (or second)
rafter.
12. Insert one (1) swaged 99" purlin into the coupler at the
top of the end rafter
and through the coupler on the
second rafter as shown.
Correct
Incorrect
13. Verify that both rafters are plumb and properly spaced
(6' on center).
6'
on-center
131S075
190S099
131S075
