182.530—Bilge high level alarms.
(a)
On a vessel of at least 7.9 meters (26 feet) in length, a visual and audible alarm must be provided at the operating station to indicate a high water level in each of the following normally unmanned spaces:
(2)
A machinery space bilge, bilge well, shaft alley bilge, or other spaces subject to flooding from sea water piping within the space; and
(3)
A space with a non-watertight closure, such as a space with a non-watertight hatch on the main deck.
(b)
Vessels constructed of wood must, in addition to paragraph (a), provide bilge level alarms in all watertight compartments except small buoyancy chambers.
(c)
A visual indicator must be provided at the operating station to indicate when any automatic bilge pump is operating.