8.2.1 A Recoverability operating concept shall be developed to define the functions and
systems required to operate following an incident. The type and magnitude of the
incidents to be survived are to be defined.
8.2.2 Sufficient systems and stored energy shall be provided following a damage incident to
support safe abandonment.
8.2.3 Sufficient systems may be provided to the extent required by the operating concept to
enable embarked persons to remain on board in the event of an incident. Submarine
functions shall be provided for the maximum time to rescue specified in the
operating concept with angles of heel and trim appropriate for emergency
operation.
- Atmosphere control to maintain support to life;
- Safety systems to support internal and external
communications;
- Safety systems to contain the current damage and manage
further incidents;
- Arrangements to enable movement of people to safe locations
and to support orderly evacuation and abandonment if the condition degrades due
to further incidents;
- Structural strength of internal structure giving due regard
to the post damage conditions specified;
- Maintain conditions for dangerous goods and embarked
equipment such that they remain in a safe state; and
- Habitability systems and supplies to maintain basic health
and sanitary conditions.
8.2.4 Where required, Post Damage Capability may provide for the following functions
following a defined damage type and extent:
- Safety systems to support situational awareness and
facilitate safe navigation and external communications;
- Stability and Controllability appropriate for safe
navigation;
- Propulsion to allow the submarine to move to a safe haven
within a suitable time based on the conditions specified; and
- Damage Control Stations to ensure adequate management of the
damage event and adequate operation, control and monitoring of the remaining
functions post damage.
8.2.5 Embarked persons are to be provided with suitable operator information for operation
in the damaged state.