(1) Machinery space openings in position 1 or
2 shall be properly framed and efficiently enclosed by steel casings
of ample strength, and where the casings are not protected by other
structures their strength shall be specially considered. Access openings
in such casings shall be fitted with doors complying with the requirements
of Regulation 12 (1), the sills of
which shall be at least 600 millimetres (23½ inches) above
the deck if in position 1, and at least 380 millimetres (15 inches)
above the deck if in position 2. Other openings in such casings shall
be fitted with equivalent covers, permanently attached in their proper
positions.
(2) Coamings of any fiddley, funnel or machinery
space ventilator in an exposed position on the freeboard or superstructure
deck shall be as high above the deck as is reasonable and practicable.
Fiddley openings shall be fitted with strong covers of steel or other
equivalent material permanently attached in their proper positions
and capable of being secured weathertight.