1 Single hold cargo ships other than bulk carriers
constructed before 1 January 2007 shall comply with the requirements
of this regulation not later than 31 December 2009.
2 Ships having a length (L) of less
than 80 m, or 100 m if constructed before 1 July 1998, and a single
cargo hold below the freeboard deck or cargo holds below the freeboard
deck which are not separated by at least one bulkhead made watertight
up to that deck, shall be fitted in such space or spaces with water
level detectorsfootnote.
3 The water level detectors required by paragraph
2 shall:
-
.1 give an audible and visual alarm at the navigation
bridge when the water level above the inner bottom in the cargo hold
reaches a height of not less than 0.3 m, and another when such level
reaches not more than 15% of the mean depth of the cargo hold; and
-
.2 be fitted at the aft end of the hold, or above
its lowest part where the inner bottom is not parallel to the designed
waterline. Where webs or partial watertight bulkheads are fitted above
the inner bottom, Administrations may require the fitting of additional
detectors.
4 The water level detectors required by paragraph
2 need not be fitted in ships complying with regulation XII/12, or in ships having watertight side compartments
each side of the cargo hold length extending vertically at least from
inner bottom to freeboard deck.