46 CFR 153.312
§ 153.312 Ventilation system standards.
United States · 46 CFR — Shipping · Status: effective
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- Citation
- 46 CFR 153.312, § 153.312 Ventilation system standards, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/228664
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Full text
A cargo handling space ventilation system must meet the following:
(a) A ventilation system exhaust duct must discharge no less than 10 m (approx. 32.8 ft) from openings into or ventilation intakes for, accommodation or service spaces.
(b) A ventilation system must not recycle vapors from ventilation discharges.
(c) Except for the space served by the ventilation duct, a ventilation duct must not pass through a machinery room, an accommodation space, or working spaces.
(d) A ventilation system must be operable from outside the space it ventilates.
(e) A ventilation system must be sized to change the air in the ventilated space at least 30 times per hour.
(f) A ventilation system must not allow air to stagnate in any part of a ventilated space.
(g) A ventilation system must be able to exhaust air from both above and below the deck plates of a ventilated space.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.