NEBOSH Practice Test

What major failure occurred during the Piper Alpha disaster related to the Permit to Work system?

1. Insufficient personnel on-site

2. Unauthorized workers present

3. Two permits issued for the same task

4. Lack of defined responsibilities

The correct answer is: Two permits issued for the same task

The major failure during the Piper Alpha disaster related to the Permit to Work system is highlighted by the issuance of two permits for the same task. This critical mistake led to a dangerous situation where workers were potentially exposed to contradictory instructions and operational conditions. When multiple permits are issued for the same task, it becomes challenging to clearly communicate and manage safety measures effectively, which is essential in environments where hazardous operations are taking place. In the context of the Piper Alpha disaster, this failure created a scenario where one group of workers was unaware that another crew was conducting a task that could inadvertently affect their safety. Effective Permit to Work systems are designed to control specific tasks, ensuring that operations are coordinated, clear, and managed within a defined safety framework. The lack of coordination can lead to catastrophic outcomes, which was tragically demonstrated in this incident. Understanding the importance of a properly managed Permit to Work system can help prevent similar disasters by ensuring that tasks are clearly communicated, responsibilities are established, and safety measures are enforced.