Exam Question

**(a) Precautions for changing over a centrifugal ballast pump from ballast/deballast mode to fire pump mode.**
When a centrifugal pump serves a dual purpose as both a ballast/deballast pump and a fire pump, its changeover procedure requires stringent precautions to ensure safety, prevent contamination, maintain system integrity, and guarantee immediate readiness of the fire-fighting system. The following specific precautions would be taken:
* **Prior to Changeover – Planning and Risk Assessment:**
* **Consult Ship's SMS Procedures:** Always refer to the ship's Safety Management System (SMS) for the approved pump changeover procedures, including Permits-to-Work (PTW) requirements and Job Hazard Analysis (JHA).