Weather

Question 1

Water over railhead
Once a track maintenance representative has inspected and certified the track, what is the maximum speed?

Answer 1

5km

Question 2

Water over railhead
If the water level is over 75mm above the rail can the track be passed?
If the water is moving?

Answer 2

No

Question 3

If water is below the railhead and not flowing, can it be passed?

Answer 3

Yes, but not more than 15km

Question 4

Of water was over the rail head, but has subsided to under it, can it be passed?
Speed?

Answer 4

Yes
At 15km until it has been inspected

Question 5

What can happen to the rail line in extreme heat?

Answer 5

Buckling
Overhead lowering
Rail breaking
Spot fires

Question 6

What is done if an object is observed tangled in the overhead?

Answer 6

Stop, call train controller
Drop pantograph to avoid damage

Question 7

What dangers are there in icy conditions?

Answer 7

Excessive arcing
Broken rails
Low adhesion when powering or braking