46 C.F.R. § 62.25-1 General.
Title 46 - Shipping
(a) Vital systems that are automatically or remotely controlled must be provided with— (1) An effective primary control system; (2) A manual alternate control system; (3) A safety control system, if required by §62.25–15; (4) Instrumentation to monitor system parameters necessary for the safe and effective operation of the system; and (5) An alarm system if instrumentation is not continuously monitored or is inappropriate for detection of a failure or unsafe condition. (b) Automation systems or subsystems that control or monitor more than one safety control, interlock, or operating sequence must perform all assigned tasks continuously, i.e., the detection of unsafe conditions must not prevent control or monitoring of other conditions. (c) Vital control and alarm system consoles and similar enclosures that rely upon forced cooling for proper system operation must meet section 41.23.2 of the American Bureau of Shipping's “Rules for Building and Classing Steel Vessels.”
Title 46: Shipping
PART 62—VITAL SYSTEM AUTOMATION
Subpart 62.25—General Requirements for All Automated Vital Systems
§ 62.25-1 General.
