1. Triage and protect
Control active water, protect finishes, and identify whether the need is urgent.
2. Diagnose
Review fixture behavior, pressure, drainage, venting, accessible pipe materials, and previous work.
3. Define the scope
A written scope should identify repair boundaries, access, finish restoration, permits, testing, and exclusions.
4. Complete and test
Work should be supported, accessible where appropriate, and tested under realistic conditions before closeout.