PSAD

Question 1

who can authorise you to PSAD?
(Hint CHEPPSS)

Answer 1

Crossing Keeper
Hand signaller
Engineering supervisor
Pilot
Picot
Shunter
Signaller

Question 2

what must you do with the signaller before PSAD?

Answer 2

Reach clear understanding on what’s required
reason why
how far to go and any speed ?
call them back?

Question 3

what are you actions start to finish when making a psad movement?

Answer 3

must have authority
inform guard if dispatch against a red
reset DRA
press TPWS train stop override
pass signal
carry out instructions

Question 4

how fast should you go when psad and going over points? tunnel?

Answer 4

at caution unless told instructions and max 15 over points - 10mph tunnel

Question 5

when can you psad on own authority

Answer 5

on AB lines if you know the signaller is no longer present physically checked or called signaller ahead and the box is closed you can draw to the next home signal of the next box

Question 6

what are the different category’s of the 17 reasons?

Answer 6

defective equipment
movements
engineering
checking
clearing the line
pilot working

Question 7

read all 17 reasons to PSAD

Answer 7

1-Defective signal
2-Defective ERTMS
3-Defective Level Crossing equipment

4-Shunting purposes
5-Starting beyond signal
6-Isolated section passed so electric train can reach limiting point
7-Obstruction (a train in AB is to pass a SS due to obstruction infront of signaller box)
8-station access in emergency

9-engineering train to join or leave line under possession
10-engineering train may join or leave a protected zone
11-train to pass signal protecting a possession to access station/siding under SLW

12-examining the line (protected by signal in case it isn’t safe)
13-failed train removal from section (protected by signal)
14-Removing train of a runaway train (train that’s proceeded without authority of where train has divided
15-assisting a failed train

16-single line working applies
17-pilot working

Question 8

can you pass 2 signals at danger consecutive ?

Answer 8

yes

Question 9

what are the requirements of passing 2 signals at once?

Answer 9

TCB (double or multi track only)
the two signals have the same fault
no distant signal between the two signals
no TPWS at signal 2
line must have been examined and found clear up to and including the overlap at signal 3
signal 3 must be showing a proceed aspect

Question 10

what should you do if you see any position lights or shunting discs at danger when psad?

Answer 10

ignore unless told otherwise

Question 11

what speed would you go after passing signal 3 when passing 2 signals at danger ?

Answer 11

speed appropriate for aspect displayed by the next signal