🔍 Key Concepts

• Small passenger vessel construction requirements in 46 CFR (look at parts covering hull and machinery spaces) • Purpose of machinery and fuel tank space separation (fire safety and containment of vapors) • Difference between machinery/fuel spaces and accommodation spaces

💭 Think About

• Ask yourself: Is the regulation mainly concerned with keeping machinery spaces apart from each other, or keeping them safely separated from where passengers and crew live/sleep? • Consider what types of bulkheads are typically required to stop fire and fuel vapors from spreading—are they usually continuous/watertight, or can they be non-continuous? • Think about which option, if applied in real life, would best protect passengers from fuel leaks and engine‑room fires.

✅ Before You Answer

• Verify in 46 CFR for small passenger vessels whether the rule mentions separation from accommodation spaces specifically • Check whether the regulation calls for watertight and/or vapor tight bulkheads as a protective barrier • Eliminate any choice that would obviously weaken fire or vapor protection between hazardous spaces and accommodations