15.1 On a vessel 8 m (26 feet) or more in length,
a visual and audible alarm shall be provided at the operating station
to indicate a high water level in each of the following normally unmanned
spaces:
-
.1 a space with a through-hull fitting below the
deepest load waterline, such as a lazarette;
-
.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.
15.2 Vessels constructed of wood shall, in addition
to IV/15.1, provide bilge level alarms in all watertight
compartments except buoyancy chambers of less than 0.25 m3.
15.3 A visual indicator shall be provided at the
operating station to indicate when any automatic bilge pump is operating.