Switch Pumps, Isolate, and Prepare for Blinding.

The flow diagram below shows the status of equipment and valves for a spared pump. P-3A is currently running but has been identified as needing repair. P-3B is currently in hot standby (not running, but ready to be started immediately). Your job is to switch pumps, isolate P-3A, and get P-3A ready for mechanical who will blind it.

The following guidance may help:


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