San Francisco Fire Code § 3511.2 Repairs on Vessels

An applicant for a permit to perform hot work on a vessel shall provide a copy of a Marine Chemist’s Certificate authorizing hot work with the permit application. If a permit is issued the permit holder shall post a copy of the Certificate in a conspicuous place near the gangway of the vessel under repair. The permit holder shall perform all work in accordance with NFPA 306, Control of Gas Hazards on Vessels. Hot work is prohibited while a vessel is fueling, loading or unloading hazardous materials, or when Class “A” or “B” explosives are on board or within 100 feet (30 480 mm) of the vessel.