2.1.1 Arrangements
shall be provided for the supply of electrical power sufficient to
supply the required services and habitability during:
-
All operational
conditions;
-
Irrespective of
the direction of the propulsion shaft rotation;
-
Without any recourse
to the emergency source of electrical power.
2.1.2 System design intent shall provide for sufficient electrical power to
supply Mobility systems, Ship Type systems, and habitable conditions in the event of
loss or unavailability of any one generating set.
2.1.4 No electrical
equipment shall be put into use where its strength and capability
may be exceeded in such a way as to give rise to danger or affect
essential safety functions.
2.1.5 Where
applicable, facilities to safely connect shore side electrical power
shall be provided.
2.1.6 Means
shall be provided to ensure that the propulsion machinery can be brought
into operation following the loss of all means of electrical power
generation using only sources of stored electrical power and without
external aid.
2.1.7 Arrangements
for the safe installation, use and maintenance of energy storage devices
shall be provided.
2.1.8 In the
event of failure of the main source of electrical power, a means to
supply sufficient electricity to ensure the operation of all services
essential for safety in an emergency shall be provided within a specified
time and for a duration accepted by the Naval Administration.
2.1.9 Where
no emergency generator is fitted, following the loss of a space due
to fire or flooding, or loss of adjacent compartments, sufficient
electrical power to supply services essential for safety in an emergency
is to be available.
2.1.10 For
essential safety functions for which an interruption to supply is
unacceptable, transitional electrical supplies with sufficient capacity
and duration accepted by the Naval Administration shall be provided.