🔍 Key Concepts

• 46 CFR regulations for tank barges carrying Grade A flammable liquids • The fire and explosion hazards of air compressors near cargo vapors • Definition of enclosed spaces and spaces used for cargo handling, hose, and piping on tank barges

💭 Think About

• For each listed space, ask yourself: could leaked cargo vapors reasonably collect here and be ignited by an air compressor? • Think about why an air compressor might be especially dangerous around cargo systems compared to other machinery. • Consider whether the regulations tend to restrict compressors from just one specific cargo-related space or from any space where cargo vapors may be present.

✅ Before You Answer

• Check in 46 CFR Subchapter D (tank vessels) what it says about location of air compressors on tank barges carrying Grade A cargo. • Verify how the regulations treat cargo handling rooms, hose storage spaces, and enclosed spaces with cargo piping — are they each considered hazardous (explosive) locations? • Confirm whether the rule lists a single specific prohibited space or prohibits compressors in all such cargo-related enclosed spaces.