USCG Exam PracticePumps, valves, and piping systems
According to 46 CFR Part 56, which of the following piping systems on a mobile offshore drilling unit is exempt from full compliance with Part 56 requirements?
- A. Fire main piping systems
- ✓ Industrial systems, which must instead meet subpart 58.60Correct
- C. Bilge and ballast piping systems
- D. Fuel oil service and transfer piping systems
Why B is correct
46 CFR §56.01-1(c) specifically states that piping for industrial systems on mobile offshore drilling units need not fully comply with Part 56 but must meet subpart 58.60. Fire main, bilge, ballast, and fuel oil systems are not granted this exemption.
Cited:46 CFR §56.01-1