On vessels required to have a final emergency power source by § 112.05-5(a) of this chapter, the following emergency lighting and power loads must be arranged so that they can be energized from the final emergency power source:
- (a) Each load under § 112.15-1.
- (b) The machinery, controls, and alarms for each passenger elevator.
(c) Each charging panel for:
- (1) Temporary emergency batteries;
- (2) Starting batteries for diesel engines or gas turbines that drive emergency generators; and
- (3) General alarm batteries.
- (d) One of the bilge pumps, if the emergency power source is its source of power to meet Part 56 of this chapter.
- (e) One of the fire pumps, if the emergency power source is its source of power to meet the requirements of the subchapter under which the vessel is certificated.
- (f) Each sprinkler system, water spray extinguishing system, or foam system pump.
- (g) If necessary, the lube oil pump for each propulsion turbine and reduction gear, propulsion diesel reduction gear, and ship's service generator turbine which needs external lubrication.
- (h) Each rudder angle indicator.
- (i) Each radio or global maritime distress and safety system (GMDSS) component.
- (j) Each radio direction finder, radar, gyrocompass, depth sounder, global positioning system (GPS), satellite navigation system (SATNAV), speed log, rate-of-turn indicator and propeller pitch indicator.
- (k) Each steering gear feeder, if required by part 58, subpart 58.25, of this chapter.
- (l) Each general emergency alarm flashing light required by § 113.25-10 of this chapter.
- (m) Each electric blow-out-preventer control system.
- (n) Any permanently installed diving equipment that is dependent upon the vessel's or drilling unit's power.
- (o) Each emergency generator starting compressor, as allowed by § 112.50-7(c)(3)(ii).
- (p) Each steering gear failure alarm required by part 113, subpart 113.43, of this chapter.
- (q) The ballast control system on each column-stabilized mobile offshore drilling unit.
- (r) Each vital system automation load required by part 62 of this chapter.
- (s) Motor-operated valves for each cargo oil and fuel oil system, if the emergency power source is the source of power to meet § 56.60(d) of this chapter.
- (t) Each ship's stabilizer wing, unless a separate source of emergency power is supplied.
- (u) Each indicator that shows the position of the stabilizer wings, if the emergency power source is its emergency source of power.
- (v) Each smoke extraction fan, not including smoke detector sampling, and carbon dioxide or clean agent exhaust fans for spaces.
[CGD 74-125A, 47 FR 15267, Apr. 8, 1982, as amended by CGD 94-108, 61 FR 28287, June 4, 1996; 61 FR 36787, July 12, 1996; USCG-2010-0759, 75 FR 60003, Sept. 29, 2010; USCG-2006-24797, 77 FR 33882, June 7, 2012]