(1) Drills for the operating of watertight doors, sidescuttles, valves and
closing mechanisms of scuppers, ash-chutes and rubbish-chutes shall take
place weekly. In ships in which the voyage exceeds one week in duration a
complete drill shall be held before leaving port, and others thereafter at
least once a week during the voyage.
(2) All watertight doors, both hinged and power operated, in watertight
bulkheads, in use at sea, shall be operated daily.
(3) The watertight doors and all mechanisms and indicators connected therewith,
all valves, the closing of which is necessary to make a compartment
watertight, and all valves the operation of which is necessary for damage
control cross connections shall be periodically inspected at sea at least
once a week.
(4) A record of all drills and inspections required by this regulation shall be
entered in the log-book with an explicit record of any defects which may be
disclosed.