C’-MARKER BOARD: (SR15.09.02)
It is a yellow square board with a black letter ‘C’ painted on it. It is
placed in rear of vulnerable locations especially in monsoon season
where, due to rain- water, the track is likely to be affected, at places
where the river water has passed the danger level of the bridge and
where, in cuttings, there is a chance of boulders falling on the track.
At such places, this board is placed at a distance of 1200 M from
the spot.
The duty of ‘LP’ is to be extra vigilant and observe the signal of engineering patrolman and, if required, to proceed cautiously up to ‘T’-board and then accelerate. A series of ‘C’-boards shall be provided at intervals of 800mts, where the length between ‘C’- and ‘T’-board exceeds 1.6 km, so as to remind the ‘LP’ that the vulnerable length has not been passed completely.
T” BOARD
A termination board of the same description as the ―C‖ board but
bearing a letter ―T‖ in place of ―C‖ shall be fixed at a distance beyond
the vulnerable bridges and locations equal to the length of the longest
train running on the section.
On single line sections, the 1
st
and last boards may have the letter ―C‖ or
―T‖ painted on opposite faces so that no separate ―T‖ board need be
provided. Intermediate boards if any shall have the letter ―C‖ painted on
both faces.
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