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§153.235 Exceptions to cargo piping location restrictions.
Cargo piping must not be located in those areas from which a containment system is excluded by §§153.230(b), 153.231(b), and 153.234(b) unless the cargo piping:
(a) Drains back to the cargo tank under any heel or trim resulting from the damage specified in §172.135 of this chapter; and
(b) Enters the cargo tank above the liquid level for a full tank in any condition of heel or trim resulting from the damage specified in §172.135 of this chapter.
[CGD 73-96, 42 FR 49027, Sept. 26, 1977, as amended by CGD 79-023, 48 FR 51009, Nov. 4, 1983]