The complexities of plug changing are truly underestimated:
- pre-job site visit to assess the task - "P1ss Poor Planning Promotes P1ss Poor Performance"
- create work plan - H&S, impacted services, access routes, risk assessment etc
- ensure selected operatives are properly trained and check certification
- travel to site ensuring that nominated driver is cleared to carry goods and people
- change plug following agreed plug changing procedure
- independent inspect and test to ensure task completed satisfactorily
- return to base
A single plug failure across the entire railway network causing damage or injury would result in law suits, public enquiries, possible £m in damages, managers and workers fired or retrained.
Easy to understand why it needs a full crew cab to take on so onerous a task!
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