Kinds
of Accidents
1.Train accidents
2.Yard accidents
3.Indicative accidents
4.Equipment failures
5.Unusual incidents
Classification
of Accidents
For statistical purpose Accidents are
classified in to classes A to R excluding I and O.
Consequential
Accidents
A – Collisions involving train carrying
passengers or trains not carrying passengers or collisions occurring in
shunting, yards, Loco yards and siding not involving a train.
B – Fire on trains.
C – Trains running in to road traffic and /or
traffic running into trains at level crossings at manned/unmanned LC gates.
D – Derailments of passenger trains or
non-passenger trains or derailments
occurring in shunting, marshalling yards and sidings.
E – Other train accidents like train running
over or against any obstruction including fixed structure.
Indicative
Accidents
F – Averted collision between trains carrying
passenger or between non passenger trains or between a train and an
obstruction.
G – Breach of Block Rules like train entering
a block section without ATP, Train received on a blocked line not constituting
an averted collision and train entering catch/ slip siding or sand hump at a
station.
H – Train passing signal at danger without
proper authority.
Equipment
Failure
J –
Failure of engine and rolling stock such as failure of tyres, wheels,
axles, or braking apparatus leading to detaching of rolling stock from the
train or poor brake power.
K – Failure of Permanent Way such as weld
failure, rail fracture, slack or rough
running or heavy lurch or failure of tunnel, bridge etc.
L – Failure of Electrical equipment such as
Pantograph entanglement, snapping or any damage to OHE wire requiring switching
of OHE for more than three minutes, No tension in OHE for more than three
minutes.
M – Failure of signaling and
Telecommunication such as failure of panel/RRI, Interlocking, Block
Instruments, Point machine etc, or failure of communication between stations
for more than 15 minutes.
Unusual
Incidents
N – Train Wrecking
or sabotage to trains.
P
-- Casualties such as person or persons falling out of a running train or
knocked down by a train.
Q
– Other incidents such as accidental or natural death, Murder or suicide in a
train, Robbery, theft etc and Fire or explosion within railway premises and
blockade to train service due to agitation.
R – Miscellaneous incidences such as train
running over cattle, Breaches, Floods resulting in interruption to traffic.