33 C.F.R. § 154.828 Vapor recovery and vapor destruction units.
Title 33 - Navigation and Navigable Waters
(a) The inlet to a vapor recovery unit which receives cargo vapor that has not been inerted, enriched, or diluted in accordance with §154.824 of this subpart must be fitted with one of the following: (1) A detonation arrester; (2) A flame arrester; or (3) An explosion suppression system acceptable to the Commandant (G-MSO). (b) The inlet to a vapor destruction unit must: (1) Have a liquid seal; and (2) Have two quick-closing stop valves installed in the vapor line. (c) A vapor destruction unit must: (1) Not be within 30 meters (98.8 ft.) of any tank vessel berth or mooring at the facility; (2) Have a flame arrester or detonation arrester fitted in the vapor line; and (3) Alarm and shut down when a flame is detected on the flame arrester or detonation arrester. (d) When a vapor destruction unit shuts down or has a flame-out condition the vapor destruction unit control system must: (1) Close the quick-closing stop valves required by paragraph (b)(2) of this section; and (2) Close the remotely operated cargo vapor shutoff valve required by §154.810(a) of this subpart. [CGD 88–102, 55 FR 25429, June 21, 1990, as amended by CGD 96–026, 61 FR 33666, June 28, 1996]
Title 33: Navigation and Navigable Waters
PART 154—FACILITIES TRANSFERRING OIL OR HAZARDOUS MATERIAL IN BULK
Subpart E—Vapor Control Systems
§ 154.828 Vapor recovery and vapor destruction units.
