How would you define Design for Operability?

Design for Operability focuses on ensuring that a system can be maintained, operated, and modified efficiently while still ensuring safety and reliability. The correct choice emphasizes the ability to keep a system functioning safely and reliably, which aligns with the core principles of operability. This involves not just the design of the system but also how users interact with it and how it can be adapted or maintained over time to withstand operational stresses.

This perspective integrates various factors, including user interface design, ease of access for maintenance, the predictability of the system's behavior during operation, and the resources needed for effective management. By focusing on operability, organizations can minimize downtime and operational risks, ultimately leading to better system performance and an enhanced safety profile.

In contrast, the other choices relate to components of operational management but do not encapsulate the full scope of Design for Operability. Maintenance and repair capability, safety regulation audits, and employee training do contribute to overall reliability and safety but do not capture the comprehensive design philosophy aimed at sustaining safe and reliable operations.