NUMBERS

Question 1

Sentinel card
Red triangle

Answer 1

Must be accompanied on infrastructure

Question 2

Metal objects cannot be placed on rail or within … of signalling equipment and axle head counter

Answer 2

300mm (30cm, 1ft)

Question 3

Separated SSOW
Boundary: 3m
Size of group: any
SW needed?

Answer 3

No

Question 4

POS
2

Answer 4

• 0 - 100mph. 1.25m (4ft) from the nearest line
• 100 - 125mph. 2m (6ft 6) from the nearest line

Question 5

Lineside
2

Answer 5

• You are within the railway boundary but not on or near
  the line, and
• You can be seen by the driver of an approaching train
• You are not lineside if you are on a station platform

Question 6

Separated SSOW
Boundary: 2m
Size of group: = 2+
SW needed?

Answer 6

Yes

Question 7

Keep equipment and yourself … away from OLE

Answer 7

2.75 (9ft)

Question 8

Place three detonators on the line … apart

Answer 8

20m (65ft, 20yd)

Question 9

Sentinel card
Blue circle

Answer 9

Colour vision defect

Question 10

Fenced SSOW
Netting/tape
Train speed: 0-40mph
Distance b/ween fence + open line…

Answer 10

1.25 (4ft)

Question 11

After placing detonators, stand … away

Answer 11

30m (100ft, 30 yards)

Question 12

Lightweight tools must be kept…

Answer 12

2m (6ft 6) away from the line, despite the speed limit

Question 13

Fenced SSOW
Rigid barrier
Train speed: 41-125mph
Distance b/ween fence + open line…

Answer 13

1.25m (4ft)

Question 14

On/near lineside
4

Answer 14

• On the line
• You are within 3 metres (10 feet) of a line and there is no
  permanent fence or structure between you and the line
• You are doing engineering or technical work on a station
  platform within 1.25 metres (4 feet) of its edge
• You are not on or near the line when crossing at a level crossing

Question 15

Keep equipment and yourself … away from DCCR

Answer 15

30cm (1ft)

Question 16

Walk … towards approaching trains and place three detonators

Answer 16

2km (1 1/4 miles)

Question 17

Fenced SSOW
Rigid barrier
Train speed: 0-40mph
Distance b/ween fence + open line…

Answer 17

1.25m (4ft)

Question 18

Fenced SSOW
Netting/tape
Train speed: 0-40mph
Distance b/ween fence + open line…

Answer 18

1.25m (4ft)

Question 19

Separated SSOW
Boundary: 2m
Size of group: 1 or 2
SW needed?

Answer 19

No

Question 20

DCCR Voltage

Answer 20

650-750v

Question 21

OLE Voltage

Answer 21

25,000 AC v

Question 22

Sentinel card
Green square

Answer 22

Newly qualified PTS

Question 23

A COSS’s safety brief will include…
(7)

Answer 23

• nature and location of work
• access route and route to site
• limits of site and how they’re defined
• lines at site (speed limit, direction, open or blocked)
• best means of emergency communication
• hazards at site e.g. electrification equipment
• how you’re protected from trains

Question 24

What are the 8 SSOW?

Answer 24

1. Safeguarded
2. Fenced
3. Separated
4. Warning systems - Permanent
5. Warning systems - TOWS
6. Warning systems - Human Activated equipment
7. Warning Systems - Portable
8. Lookout warning

Question 25

What 5 things must you make sure of when using vehicles on/near the line?

Answer 25

● Switch on hazard warning lights
● In darkness or poor visibility use dipped headlights
● Not allow any part of the vehicle to come within2m (6ft 6in)
of any line
● Switch off all red lights when the vehicle is parked

● Turn the vehicle only at a suitable turning point and keep the
back of the vehicle furthest from the line

Question 26

When using a road vehicle on or near the line…

Answer 26

● You are the driver of the vehicle and are either a COSS/SWL
or IWA, or
● COSS/SWL must be present and has given permission for
the vehicle to be on or near the line