A steam blanket lay-up shall be monitored at what frequency by the responsible watch stander?

In the context of maintaining a steam blanket lay-up, the correct frequency for monitoring is hourly. This is crucial because steam blankets are employed to maintain a certain temperature and pressure in the system, preventing condensation and protecting equipment from corrosion and other damage that can arise from moisture.

Hourly monitoring ensures that any discrepancies or issues are identified and addressed promptly, minimizing the risk of equipment malfunction. This frequency allows for a balance between maintaining effective oversight and managing personnel workload.

More frequent checks, such as every 30 minutes, could be deemed excessive for many standard operations, leading to unnecessary strain on resources, while less frequent monitoring (like every two hours or daily) may not provide the level of vigilance needed to protect complex systems that rely on precise temperature and pressure control. Thus, hourly monitoring strikes an appropriate balance in maintaining system integrity effectively.