NEBOSH CC Working at Height 1 — Questions and Answers
Question 1: Which regulations specifically govern working at height in the UK?
- Work at Height Regulations 2005 (Correct answer)
- Construction (Design and Management) Regulations 2015
- Health and Safety at Work etc. Act 1974
- Provision and Use of Work Equipment Regulations 1998
Correct answer: Work at Height Regulations 2005
The Work at Height Regulations 2005 (WAH Regulations) specifically govern all work at height in Great Britain. They apply to any work where there is a risk of a fall liable to cause personal injury, regardless of the height.
Question 2: What is the hierarchy of measures under the Work at Height Regulations 2005?
- Avoid working at height, prevent falls using collective measures, then mitigate consequences (Correct answer)
- Use PPE first, then collective measures
- Mitigate consequences first, then avoid working at height
- Personal fall arrest is the preferred control measure
Correct answer: Avoid working at height, prevent falls using collective measures, then mitigate consequences
The WAH Regulations hierarchy requires: first, avoid working at height where reasonably practicable; second, prevent falls with collective measures (such as scaffolding); third, mitigate the consequences of a fall (such as safety nets).
Question 3: What is the minimum height of a guard rail on a scaffold platform under UK regulations?
- 950mm (Correct answer)
- 750mm
- 1,200mm
- 1,000mm
Correct answer: 950mm
Under the Work at Height Regulations 2005 and BS EN standards, guard rails on scaffold platforms must be at least 950mm high. A mid-rail and toe board are also required to prevent falls and falling objects.
Question 4: What is a 'working platform' in the context of the Work at Height Regulations?
- Any platform used as a place of work or as a means of access to or egress from a place of work at height (Correct answer)
- Only a scaffold erected by a competent scaffolder
- Any elevated surface regardless of its purpose
- A platform used exclusively for storage at height
Correct answer: Any platform used as a place of work or as a means of access to or egress from a place of work at height
A working platform under the WAH Regulations includes any platform used as a place of work or as a means of access or egress. This covers scaffolding, mobile elevated work platforms, podium steps, and other platforms.
Question 5: What is the minimum width of a working platform on a scaffold?
- 600mm (Correct answer)
- 300mm
- 450mm
- 900mm
Correct answer: 600mm
Under the Work at Height Regulations 2005, a working platform from which a person could fall must be a minimum of 600mm wide to allow safe working and movement. Wider platforms are required for certain activities.
Question 6: Under the WAH Regulations, who must inspect a scaffold before it is used for the first time?
- A competent person (Correct answer)
- Any trained worker
- The Principal Contractor
- An HSE inspector
Correct answer: A competent person
Under the Work at Height Regulations 2005, a working platform from which a person could fall must be inspected by a competent person before it is used for the first time and after any event that may have affected its stability.
Which regulations specifically govern working at height in the UK?