TM 5-809-6/AFM 88-3, Chap. 6
4-3. Other site structures
regarding impact factors appropriate for the speed at which
the structures are to be moved. Additional consideration will
a. Canopies and shelters.
be given to possible load increases which can result from
(1) Open canopies. Open canopies include
unenclosed
irregularities in alignment of the support system over which
roofed areas and one-, two-, and three-sided enclosures.
the structures will be moved, e.g., enforced displacements or
Design of such structures will be based on the specialized
variable support conditions.
loading considerations set forth in TM 5-809-1/AFM 88-3,
b. Light poles, flag poles, and sign supports. Design of
Chapter 1 or MIL-HDBK-1002/2 and American National
light poles, flag poles, and sign supports will be in accord-
Standards Institute (ANSI) A58.1.
ance with the special provisions for such structures set forth
(2) Mobile. Mobile canopies and shelters will be
in ANSI A58.1.
designed for the loads which would otherwise apply to
stationary structures of that type with additional provisions
4-2