USCG Exam PracticeEngine-room safety and hazardous materials
Under 46 CFR §111.106-3(j), which statement correctly describes the required arrangement for cargo pumping and piping systems?
- A. Cargo transfer pumps may pass through machinery spaces provided they are enclosed in a cofferdam
- ✓ Cargo pumping and piping systems must be arranged independently from all other systems, and cargo transfer pumps and piping must not be located in or pass through accommodation, service, or machinery spacesCorrect
- C. Cargo piping may pass through accommodation spaces if it is enclosed in a double-walled pipe with a vapor-tight annular space
- D. Sounding piping is exempt from the routing restriction provided it terminates at a remote reading gauge outside the accommodation space
Why B is correct
46 CFR §111.106-3(j) requires cargo pumping and piping systems to be arranged independently from all other systems, and expressly prohibits cargo transfer pumps and piping — including fill, discharge, vent, and sounding piping — from being located in or passing through any accommodation, service, or machinery spaces. No exemption is provided for sounding piping or double-walled arrangements in this section.
Cited:46 CFR §111.106-3