Code of Federal Regulations Title 46. Shipping § 46.27.203 What are the requirements for fire detection on towing vessels?

(1) Each detector, each control panel, and each fire alarm are approved under 46 CFR subpart 161.002 or listed by an independent testing laboratory;  except that, if you use an existing engine-room-monitoring system (with fire detection capability), each detector must be listed by a nationally recognized testing laboratory (NRTL), as defined in 46 CFR 161.002–2, for fire service;

(2) The system is installed, tested, and maintained in line with the manufacturer's design manual;

(3) The system is arranged and installed so a fire in the engine room automatically sets off alarms on a control panel at the operating station;

(4) The control panel includes—

(5) The system draws power from two sources, switchover from the primary source to the secondary source being either manual or automatic;

(6) The system serves no other purpose, unless it is an engine-room-monitoring system (with fire detection capability) installed on a vessel whose construction was contracted for before January 18, 2000;  and

(7) The system is certified by a registered professional engineer, or by a recognized classification society (under 46 CFR part 8), to comply with paragraphs (a) introductory text and (a)(1) through (a)(6) of this section.

(1) Components are listed by a nationally recognized testing laboratory (NRTL) as set forth in 29 CFR 1910.7, and is designed, installed, tested, and maintained in accordance with an appropriate industry standard and the manufacturer's specific guidance;  and

(2) The system and units remain functional as intended.