How many washdown zones are throughout the ship?

• A. 6
• B. 9
• C. 12
• D. 15

Answer: (C)

Washdown zones are designated areas on a ship where cleaning and decontamination efforts are organized, with separate hose connections and drainage paths to prevent cross-contamination and to make maintenance efficient. Having twelve zones provides enough coverage to span all the major spaces on the vessel—ensuring every area gets cleaned without crowding a single zone with too much activity. Fewer zones would leave larger areas unmanageable or require cross-zone washing, while more zones would add unnecessary plumbing and coordination complexity. Twelve zones strike a balance, making the washdown process thorough and easy to manage.