What was the most beneficial sewage and water system that you designed?

Question: What was the most beneficial sewage and water system that you designed?
- Keywords:
  design,
  sewage,
  water system
Asked by Alexa to Rhys on 13 Mar 2018.
- Rhys Edwards answered on 13 Mar 2018:
  
  I haven’t designed a sewage and water system and it’s not something I’d usually do as a Naval Architect.

Question: What was the most beneficial sewage and water system that you designed?