Working at Heights Travel Restraint Systems 1 — Questions and Answers
Question 1: What is the primary purpose of a travel restraint system when working at heights?
- To arrest a fall if a worker slips from the surface
- To prevent a worker from reaching a fall hazard zone (Correct answer)
- To provide cushioning in the event of a fall
- To secure tools and equipment at height
Correct answer: To prevent a worker from reaching a fall hazard zone
A travel restraint system prevents the worker from reaching the point where a fall could occur, rather than arresting a fall once it begins.
Question 2: How does a travel restraint system fundamentally differ from a fall arrest system?
- Travel restraint uses a shorter lanyard than fall arrest
- Travel restraint prevents reaching the fall zone; fall arrest stops a fall in progress (Correct answer)
- Travel restraint requires a higher-rated anchor point than fall arrest
- Travel restraint does not require the worker to wear a harness
Correct answer: Travel restraint prevents reaching the fall zone; fall arrest stops a fall in progress
Travel restraint stops the worker before they can reach the fall edge, while fall arrest activates only after a fall has begun.
Question 3: What factor primarily determines the maximum allowable lanyard length in a travel restraint system?
- The worker's body weight and size
- The height of the work surface above the ground
- The distance from the anchor point to the fall hazard edge (Correct answer)
- The type of full-body harness being worn
Correct answer: The distance from the anchor point to the fall hazard edge
The lanyard must be short enough to prevent the worker from reaching the fall edge when connected to the anchor point.
Question 4: What is the minimum static strength typically required for a travel restraint anchor point under Australian standards?
- 6 kN (Correct answer)
- 10 kN
- 12 kN
- 15 kN
Correct answer: 6 kN
Travel restraint anchor points must withstand a minimum of 6 kN static force under AS/NZS 1891.4, as no fall arrest forces are generated in a correctly used travel restraint system.
Question 5: In a travel restraint system, which component physically limits how far the worker can move toward the fall edge?
- The harness chest strap
- The lanyard (Correct answer)
- The anchor sling or connector
- The dorsal D-ring
Correct answer: The lanyard
The lanyard connects the harness to the anchor and its length determines the worker's maximum reach toward the fall hazard.
Question 6: If a travel restraint lanyard cannot be adjusted to prevent a worker from reaching the fall edge, what is the most appropriate action?
- Allow the worker to proceed with caution and awareness
- Attach a secondary lanyard to act as a backup measure
- Reposition the anchor or use an alternative fall protection system (Correct answer)
- Mark the hazard zone with tape and rely on worker vigilance
Correct answer: Reposition the anchor or use an alternative fall protection system
If travel restraint cannot be achieved with the current setup, the anchor must be repositioned or an appropriate alternative fall protection system such as fall arrest or edge protection must be used.
Question 7: Under RIIWHS204E, who carries primary responsibility for ensuring a travel restraint system is correctly configured before use?
- The site safety officer alone
- The equipment manufacturer's representative
- The competent worker using the system, supported by site supervision (Correct answer)
- The project manager or principal contractor
Correct answer: The competent worker using the system, supported by site supervision
Under WHS legislation and RIIWHS204E, the worker must be competent and is responsible for correctly using and checking their fall protection equipment before use.
Working at Heights Travel Restraint Systems 1
What is the primary purpose of a travel restraint system when working at heights?