USCG Exam PracticeCargo gear and rigging
When conducting the biennial proof load test required by 46 CFR §28.885, at what angle must the boom or derrick be positioned when the proof load is applied?
- A. At the highest practicable angle to maximize the reach
- B. At a 45-degree angle to the centerline of the vessel
- ✓ At the lowest practicable angleCorrect
- D. Plumb vertical over the hatch centerline
Why C is correct
46 CFR §28.885(c) specifies that the proof load shall be lifted with the boom or derrick at the lowest practicable angle. After the load is lifted it must also be swung as far as possible in both directions.
Cited:46 CFR §28.885