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![]() TM 55-5811-900-14
CHAPTER 7
RAIL TRANSPORTABILITY GUIDANCE
Section I. GENERAL
7-1. Scope
7-2. Maximum Utilization of Railcars
This chapter provides rail transportability guidance for
Additional cargo, as approved by the activity offering the
movement of the Trailblazer/Tacjam system. It covers
system for transport, may be transported with the
significant technical and physical characteristics and
system.
safety precautions; prescribes the materials, and
provides guidance required to prepare, load, tie down,
and unload the system.
Section II. TRANSPORT ON CONUS RAILWAYS
7-3. General
b. The loads shown are based on the flatcar
The transportability guidance contained in this section is
minimum width of 9 feet 6 inches.
applicable when this system is transported on CONUS
railways. Consideration is given to single and multiple
NOTE
movements on the types of railcars normally used for
the movement of Army equipment. This system, when
A staggered nailing pattern will be used when
at reduced configuration, is transportable in accordance
lumber or laminated lumber is nailed to the
with the Association of American Railroads' Outline
floor of the railcar. Also, the nailing pattern for
Diagram for Single Loads, Without End Overhang, On
an upper piece of laminated lumber will be
Open Top Cars, as shown in both the Railway Line
adjusted as required so that nail for that piece
.Clearance Publication and the Official Railway
will not be driven through, onto, or beside a
Equipment Register.
nail in the lower piece of lumber.
7-4. Loading the Trailblazer/Tacjam System on
General-Purpose Flatcars
on various types of flatcars. Figures 7-3 and 7-4 show
tiedown details. Figures 7-5 and 7-6 show the tiedown
a. The trailer or carrier may be placed in the
of the shelters on typical CONUS flatcars. Figures 7-7
tiedown position on the railcar by a crane or may be
driven or towed, provided that a suitable ramp or bridge
typical CONUS flatcar. Figure 7-9 is a blocking detail
is available. For lifting diagrams, refer to chapter 6.
diagram for the trailer support unit. The following tables
are the bill of materials and application of materials for
securing the various components for rail transport:
Section III. TRANSPORT ON FOREIGN RAILWAYS
7-5. General
equipment. The system, when loaded on a suitable
railcar, can be transported in its reduced-height
The transportability guidance contained in this section is
configuration, with restrictions within European countries
applicable when the Trailblazer/Tacjam system is
that comply with the International Loading Gauge
transported on foreign railways. Consideration is given
(formerly Berne International); the majority of the
to single and multiple movements on the types of
countries in the Middle East; and South America,
railcars normally used for the movement of Army
Australia, India,
7-1
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