Code of Federal Regulations Title 46. Shipping § 46.95.05–3 Sample extraction smoke detection systems

(1) For sequential scanning systems under FSS Code, chapter 10, paragraph 2.1.2, a satisfactory overall response time will be achieved by limiting the maximum allowable interval to 2 minutes.

(2) Under the FSS Code, chapter 10, paragraph 2.2.2, fans of sufficient capacity to provide a satisfactory overall response time will signal an alarm within 3 minutes upon introduction of smoke at the most remote accumulator on a vehicle deck and within 5 minutes upon introduction of smoke at the most remote accumulator in container and general cargo holds.

(3) Means provided to isolate smoke accumulators from liquid or refrigerated cargoes must be to the satisfaction of the Commanding Officer of the U.S. Coast Guard Marine Safety Center.

(4) Notwithstanding anything to the contrary in FSS Code chapter 10, periodic testing of sample extraction smoke detection systems must be conducted as part of the annual inspection and include inspection of all piping, valves, controls and alarms, and by introduction of smoke into the accumulators.