Overview:
Attachment of the stretchers will provide additional
support to both ends of the cold frame since this is
where the most tension is placed.
Instructions
1. Using 20 33mm one bolt strap clamps, 21 42mm one-bolt
strap clamps, and 23 pivot caps, connect 10 10' tubes from the end
arcs to the appropriate platform posts as shown below.
10
10' tube (4)
20
21
23
33mm one bolt strap clamp (4)
40-42mm one bolt strap clamp (4)
pivot cap (8)