Height Safety

Question 1

what are the categories of work?

Answer 1

work restraint
work position
fall arrest

Question 2

explain fall factors

Answer 2

a measure of the severity of a fall

calculated by:

length of fall divided by length of rope or lanyard holding the fall

0m fall onto a 2m rope/lanyard = FF0

2m fall onto a 2m rope/lanyard = FF1

4m fall onto a 2m rope/lanyard = FF2

Question 3

what is the recommended strength of an anchor point?

Answer 3

3 times users mass
unquestionably sound

Question 4

how is a karabiner to be loaded?

Answer 4

across it’s major axis of length, they are not designed to load across their width and may fail

a maillon can be loaded in any direction

Question 5

what is the working at height hierarchy?

Answer 5

Avoid W@H where possible
prevent falls using safety gear
minimise falls using safety gear
mitigate injuries using safety gear

Question 6

how can you mitigate a fall?

Answer 6

raise anchor point
shorten length of lanyard
avoid the hazard/fall risk

Question 7

what are some hazards relating to confined spaces?

Answer 7

toxic atmosphere - poor ventilation (measure using honeywell gas detector)
biological agents
risk of electrocution
risk of injury
risk of falling from height into void
risk of drowning