[Code of Federal Regulations]
[Title 33, Volume 2]
[Revised as of July 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 33CFR154.828]

[Page 320-321]
 
                TITLE 33--NAVIGATION AND NAVIGABLE WATERS
 
   CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED)
 
PART 154--FACILITIES TRANSFERRING OIL OR HAZARDOUS MATERIAL IN BULK--Table 
of Contents
 
                    Subpart E--Vapor Control Systems
 
Sec. 154.828  Vapor recovery and vapor destruction units.

    (a) The inlet to a vapor recovery unit which receives cargo vapor 
that has not been inerted, enriched, or diluted in accordance with Sec. 
154.824 of this subpart must be fitted with one of the following:

[[Page 321]]

    (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 Sec. 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]