(a) Each hold space, void space, cofferdam, and spaces containing cargo piping must have:
(1) A fixed mechanical ventilation system; or
(2) A fixed ducting system that has a portable blower that meets § 154.1205(i) and (j).
(b) A portable blower in any personnel access opening must not reduce the area of that opening so that the opening does not meet § 154.340.
source: CGD 74-289, 44 FR 26009, May 3, 1979, unless otherwise noted.
cite as: 46 CFR 154.1210