Bell Law and Legal Definition

According to 46 CFR 197.204 [Title 46 – Shipping; Chapter I -- Coast Guard, Department of Homeland Security; Subchapter V -- Marine Occupational Safety and Health Standards; Part 197 -- General Provisions; Subpart B -- Commerical Diving Operations; General], bell means “a compartment either at ambient pressure (open bell) or pressurized (closed bell) that allows the diver to be transported to and from the underwater work site, allows the diver access to the surrounding environment, and is capable of being used as a refuge during diving operations.”