PTS Flashcards
What constitutes a green walking route?
Safe walking route, no pts or high vis required
What constitutes a yellow walking route?
Hazardous walking route potentially near the line. PPE required (high vis and safety boots)
What constitutes a red walking route?
Dangerous walking route, very high risk area. PTS & full PPE required these walking routes will be associated with high levels of danger such as the maintenance sheds
What do we need when going on the line?
•Correct PPE (high vis, safety shoes etc)
•obey all warning signs and indicators
•look and listen for approaching trains
•raise 1 arm to acknowledge on coming trains
•speed of oncoming trains
•names of track and direction of travel
What makes up a rail track
•rail head
•ballast
•sleeper
•fishplate
•Pandrol clip
•chair or base plate
How are two running rails made up?
Cess, 4ft, 6ft, 4ft, cess
How are 4 running rails made up?
Cess, 4ft, 6ft, 4ft, 10ft, 4ft, 6ft,4ft, Cess
What is the 5 and 10 second rule?
•every 5 seconds look up for oncoming trains
•must be able to reach a point of safety within 10 seconds
How far away should equipment be placed away from the running line?
2 meters
When walking with another person on the line how far apart should you be?
20 meters
If you need to walk close to each other who will need to be present
A c.o.s.s, a M.o.m or S.w.L
How far should stabled train be apart for you to cross between them?
50ft or 15M
What does the term “eat dirt” mean?
You are between 2 running line and trains are approaching.
You must lie down in the 6ft immediately with all lose items underneath you
What are the different signage colours used and what do they mean?
• RED- you must not do this unless in an emergency
•Yellow- identifies a hazard
•Blue-mandatory instruction or information
What does the limited clearance sign mean? And what does it look like
No position of safety for the length of the structure
It’s depicted by a sign with 2 red and 2 white squares
What does the no refuge sign mean and what does it look like?
No refuge means no no position of safety on this side of the track however they may be positions of safety on the opposite track
Its depicted by a sign made up of 2 white and 2 blue squares
What does the no refuge sign mean and what does it look like?
No refuge means no no position of safety on this side of the track however they may be positions of safety on the opposite track
Its depicted by a sign made up of 2 white and 2 blue squares
Where would you find a refuge?
On a viaduct, in a tunnel on a parapit, built into and embankment
What does SPT stand for
Signal post telephone
What sign would indicate a signal post telephone
A white sign with black diagonal lines
What does a line side telephone look like
White sign with a black x
What does a line side telephone sign look like
White sign with a black x
What does a level crossing telephone look like
A yellow box with a black telephone on
Where would you find a line side telephone
On a platform
Where would you find a level crossing telephone
On a level crossing
What is the safe distance from the running line if the line speed is below 101 MPH
1.25 m or 4 foot
What is the safe distance from the running line if the line speed is above 101MPH
2m or 6.6ft
When are you on or near the line
When within 3 meters of the tracks
What voltage is OLE
25,000v AC
How far away should we stay from
How far away should we stay from OLE
2.75m or 9ft
What voltage does third rail use
750v DC
What makes up an OLE structure
Along track conductor
Catenary
Dropped
Contact
Red bond
What are the different types of OLE structure over lines
• one track- cantilever
•two tracks- head span
•three tracks or more- portal
How far away should we place dets from a train in an emergency situation?
1 & 1/4 mile on the opposite running line
When would I put dets down before the 1-1/4 mile?
If you find any of the 4 Teas or a sugar
What are the 4 teas & a sugar
•Tunnel
•Train approaching
•trailing junction
•Telephone SPT
•Signal box
What is on a Gantry ID plate
•The letters will denote the route
•the top number will represent the mileage
•the bottom number represents the gantry number
How far apart are mile markers
Every 1/4 of a mile
How many yards in a chain
22 yards
How many chains in a mile
80 chains
