Section 154.355 - Bow and stern loading piping(a) Bow and stern loading piping must:(2) Be installed in an area away from the accommodation, service, or control space on type IG hulls;(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 .