TM 5-628/AFR 91-44
maintenance is required to maintain this condition
any condition which would warrant a restriction
level, and repair work will generally be only minor.
beyond normal operating practices or a suspension
(2) 10 mph--Track has defects serious
in operations. The BCE shall notify the Base Traffic
enough to make it unsuitable for operations greater
Management Officer (TMO) verbally and in writing
than 10 mph, essentially "normal yard speed". Track
of any condition requiring train operations to be
at this condition level would be considered "margin-
restricted beyond normal operating practices or
al".
suspended.
(3) Operations over restricted track. For
(3) 5 mph--Track has defects serious
enough to make it unsuitable for operations greater
locations `where operating restrictions have been
than 5 mph. Essentially, a train may be allowed to
imposed, the speed of the train or other on-track ve-
"crawl" over the track. This level is intended as a
hicle shall be reduced to the required level before
warning zone to indicate that the track is ap-
the first wheel reaches the defective area and not
proaching a condition that will require removal from
increased until the last wheel has passed the de-
service.
fective area.
(4) Removal of track restriction. A track re-
(4) No operation--Track has defects serious
enough to require removal from service. At this
striction may be removed after all defects resulting
level, the operation of trains over the track is gen-
in the restriction have been repaird. For Army track,
erally considered hazardous. Operations shall not be
the certified track inspector shall notify the DEH
allowed except as noted in paragraph 1-5d(5).
upon completion of the repairs. The DEH shall
c. Minimum required condition levels. The mini-
notify the ITO in writing that the restrictions have
mum required condition levels for Army and Air
been lifted. The restriction shall not be considered
Force track are:
removed until the ITO recevies written notification
of removal from the DEH. For Air Force track, the
Track
track inspector shall notify the BCE upon
Category
Minimum Required Condition Level
completion of the repairs. The BCE shall notify the
A
Full compliance
TMO in writing that the restrictions have been
lifted. The restriction shall not be considered
B
10mph
removed until the TMO receives written notification
of removal from the BCE.
C
Maintenance as per chapter 16 of these standards
(5) Track removed from service. Any
For Army track these minimum required condition
portion of track where conditions fall below the
levels are established by AR 420--72.
minimum operable track condition (track condition
d. Operating restrictions.
is at the No Operation level) shall be closed to
(1) These standards establish minimum re-
operations until repairs are completed. However,
quired condition levels for Army and Air Force
such track may be used under written permit from
track and also identify track conditions requiring
the DEH (BCE) and in the presence of a certified
restriction or suspension of train operations. It is
track inspector. During operations over the closed
intended that a track inspector apply the required
portion of track the certified track inspector shall
restriction or suspension immediately upon discov-
have visual contact with the train operator at all
ery of the substandard condition, and that the track
times and be prepared to signal the train crew to
be repaired to meet the appropriate condition level
stop.
as soon as practical.
(6) Any deficiency in Category A track
(2) Notification of track restriction. For
requiring the track to be removed from service
Army track, the certified track inspector shall notify
should be corrected within 30 days of discovery.
both the train operating personnel and the Director
e. Judgment of the certified track inspector shall
of Engineering and Housing (DEH) immediately
govern. A certified track inspector shall have the
upon the discovery of any condition which would
authority to impose operating restrictions beyond
warrant a restriction beyond normal operating
the minimum required in these standards when
practices or a suspension in operations. The DEH
conditions warrant.
shall notify the Installation Transportation Officer
f. Defective conditions not addressed in these
(ITO) verbally and in writing of any condition
standards. Defective conditions or combinations of
requiring train operations to be restricted beyond
conditions may be found which are not directly ad-
normal operating practices or suspended. For Air
dressed in these standards. In such cases, a certified
Force track, the track inspector shall notify both the
track inspector shall exercise judgment in applying
train operating personnel and the Base Civil
an appropriate operating restriction.
Engineer (BCE) immediately upon the discovery of
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