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Code of Federal Regulations Title 46. Shipping § 46.182.480 Flammable vapor detection systems

Current as of January 02, 2025 | Updated by Findlaw Staff

(a) A flammable vapor detection system required by § 182.410(c) must meet UL 1110 (incorporated by reference;  see 46 CFR 175.600) or be approved by an independent laboratory.

(b) Procedures for checking the proper operation of a flammable vapor detection system must be posted at the primary operating station. The system must be self-monitoring and include a ground fault indication alarm.

(c) A flammable vapor detection system must be operational for 30 seconds prior to engine startup and continue sensing the entire time the engine is running.

(d) A flammable vapor detection system must provide a visual and audible alarm at the operating station.

(e) A sensor must be located above the expected bilge water level in the following locations:

(1) The lowest part of a machinery space;

(2) The lowest part of a space containing a fuel tank when separate from the machinery space;  and

(3) Any other location when required by the cognizant OCMI.

(f) A flammable vapor detection system must be installed so as to permit calibration in a vapor free atmosphere.

(g) Electrical connections, wiring, and components for a flammable vapor detection system must comply with Part 183 of this chapter.

(h) An operation and maintenance manual for the flammable vapor detection system must be kept onboard.

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Cite this article: FindLaw.com - Code of Federal Regulations Title 46. Shipping § 46.182.480 Flammable vapor detection systems - last updated January 02, 2025 | https://codes.findlaw.com/cfr/title-46-shipping/cfr-sect-46-182-480/

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