40.3 PROTECTION OF TRACK WORK AT AUTOMATIC INTERLOCKING
– RULE 40.3
When the foreman is in pos-
session of other protection
encompassing all routes
within the interlocking limits,
protection as per Rule 840.3
is not required. Track work
may be performed within
the limits of an automatic
interlocked railway crossing
at grade after protection has
been provided as follows:
(a) Permission must be obtained from the RTC of both railways
(where applicable).
(b) After permission has been obtained and before any track work
is started, the foreman must open the box marked “switches”, open
the knife switch and must wait five minutes or such greater time as
may be posted in the box. The switch must be left open until track
work is completed.
(c) In addition, a visible indicator marked “40.3 Protection” or spe-
cial lock must be secured to the box marked “switches” to indicate
that track work is ongoing.
(d) After track work is completed the RTC of both railways (where
applicable) must be notified.
842. PLANNED PROTECTION – RULE 42
(a) When protection is required, the request must be in writing and
on the prescribed form. When protection has been provided, the
track and time limits must be confirmed in writing prior to the fore-
man named in the GBO arranging for the display of the prescribed
flags as follows;
Maintenance flags - 10
MRH-Dec 2014
