CFR > Title 46 - Shipping > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER O—CERTAIN BULK DANGEROUS CARGOES (parts 150 to 155) > PART 154—SAFETY STANDARDS FOR SELF-PROPELLED VESSELS CARRYING BULK LIQUEFIED GASES > SUBPART C—Design, Construction and Equipment (§154.170 to §154.1440) > 154.355—Bow and stern loading piping.

154.355—Bow and stern loading piping.

(a) Bow and stern loading piping must:
(1) Meet § 154.310 ;
(2) Be installed in an area away from the accommodation, service, or control space on type IG hulls;
(3) Be clearly marked;
(4) Be segregated from the cargo piping by a removable spool piece in the cargo area or by at least two shut-off valves in the cargo area that have means of locking to meet § 154.1870(a) ;
(5) Have a means for checking for cargo vapor between the two valves under paragraph (a)(4) of this section;
(6) Have fixed inert gas purging lines; and
(7) Have fixed vent lines for purging with inert gas to meet § 154.1870(b).
(b) Entrances, forced or natural ventilation intakes, exhausts, and other openings to accommodation, service, or control spaces that face the bow or stern loading area must meet § 154.330.