[Code of Federal Regulations]
[Title 46, Volume 2]
[Revised as of October 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 46CFR62.25-15]

[Page 301]
 
                           TITLE 46--SHIPPING
 
   CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED)
 
PART 62_VITAL SYSTEM AUTOMATION--Table of Contents
 
   Subpart 62.25_General Requirements for All Automated Vital Systems
 
Sec. 62.25-15  Safety control systems.

    (a) Minimum safety trip controls required for specific types of 
automated vital systems are listed in Table 62.35-50.

    Note: Safety control systems include automatic and manual safety 
trip controls and automatic safety limit controls.

    (b) Safety trip controls must not operate as a result of failure of 
the normal electrical power source unless it is determined to be the 
failsafe state.
    (c) Automatic operation of a safety control must be alarmed in the 
machinery spaces and at the cognizant remote control location.
    (d) Local manual safety trip controls must be provided for all main 
boilers, turbines, and internal combustion engines.
    (e) Automatic safety trip control systems must--
    (1) Be provided where there is an immediate danger that a failure 
will result in serious damage, complete breakdown, fire, or explosion;
    (2) Require manual reset prior to renewed operation of the 
equipment; and
    (3) Not be provided if safety limit controls provide a safe 
alternative and trip would result in loss of propulsion.