ARMY TM 10-8340-224-13
AIR FORCE TO 35E5-6-1
NAVY NAVFAC–P-337.A
2-5. FRAME ASSEMBLY (CONT).
c.
Purlin Assembly.
NOTE
Ridge, eave and base purlins are
identical. Door sill purlin
differs only in design and is
found only with Extendable Door
Section,
Type III. Installation
procedure is identical.
Ensure that door sill purlin is
used with door section.
An 8–foot section of the frame
will be completed with five
purlins.
To add sections,
continue procedures until the
required number of frame sections
have been connected.
Alternate direction of ridge
purlin diagonal
support.
braces for added
(1)
Identify five purlins (1)
(2), eaves (3) and bases
(2)
Starting at the end arch,
(5) upright 8 feet apart
2-20
for installation at ridge
(4).
hold two arch assemblies
in kneeling position.
