Element 4 personal track Safety

Question 1

What is the Voltage in the Overhead Wires?

Answer 1

25,000 volts. (25 kv

Question 2

What is the minimum safe distance that you should be from the Overhead Wire system?

Answer 2

9ft or cab floor level

Question 3

What are the three main types of Overhead Wire structures?

Answer 3

Cantilever Portal & Wire Head Span

Question 4

Which Overhead Wire Structure only spans one line

Answer 4

Cantilever

Question 5

Which Overhead Wire Structures spans more than one line?

Answer 5

Portal and Wire Head Span

Question 6

What is the Bottom Wire of the Overhead Wires known as?

Answer 6

Contact Wire

Question 7

What is the Top Wire of the Overhead Wires known as

Answer 7

Catinery Wire

Question 8

Which wire joins the Catinery to the Contact within the Overhead Wire System?

Answer 8

Dropper Wire

Question 9

What is the name of the Wire that runs along the side of the OHL Structures?

Answer 9

Along track Conductor

Question 10

Who controls the Overhead wire system?

Answer 10

Electrical Control Office

Question 11

How would you contact the ECO in an emergency, from either a BR Telephone or via the NRN?

Answer 11

Dial 176 on a BR Telephone

Question 12

What is the minimum position of safety where the line speed is 100 m.p.h. or less?

Answer 12

4ft

Question 13

What is the minimum position of safety where the line speed is over 100 m.p.h.

Answer 13

6ft 6ins

Question 14

When walking on or near the Running Line which direction should you walk?

Answer 14

Where possible it should be facing On Coming Traffic.

Question 15

What information does the Individual Structure Plate give you in Overhead Lines area?

Answer 15

Route, Miles from source and individual structure no.

Question 16

What does a Blue and White Chequered board denote?

Answer 16

No refuge at this location.

Question 17

Describe a Limited Clearance Board.

Answer 17

It comprises of Red & White cheques with the words Warning (in the top left-hand corner) and Limited Clearance (in the bottom right hand corner).

Question 18

How is a Lineside Telephone identified

Answer 18

On the telephone cabinet there will be a white plate with a black Saint Andrews cross.

Question 19

In an area where there are four tracks what do we call the space between both sets of tracks?

Answer 19

10ft.

Question 20

If you were caught in a area of Limited Clearance and you could not get to a position of safety what must you do?

Answer 20

Lie down in the 6ft, lower to the ground anything that you are carrying and tuck in any loose clothing.

Question 21

In a Two-Track layout what is the space between the tracks known as?

Answer 21

6ft

Question 22

What is the definition of on or near the Running Line?

Answer 22

Within 10ft (3 meters) of the nearest rail of any line or on the line itself.

Question 23

What is the definition of on the lineside?

Answer 23

Within the area between the railway boundary fencing and the point that is called ‘on or near the line’.

Question 24

If on the line side how would you acknowledge the audible warning from an approaching train?

Answer 24

Get to a position of safety and raise one arm above your head.

Question 25

When walking along the track where is normally the safest place to walk?

Answer 25

cess

Question 26

What do we call the space between the rail?

Answer 26

4ft

Question 27

When walking on or near the line, what must we be wearing?

Answer 27

High visibility clothing and safety shoes.

Question 28

What must we have on our possession when on or near the track?

Answer 28

Personal track safety certificate and Safety critical work identification card.