9.2.1 Filling
and supply connections for liquid RAS operations are to be sited within
the boundary of the RAS station. Fuel oil system risers are to terminate
in the vicinity of the RAS dump area and are not to present a tripping
hazard or impede the use of stores handling machinery. Each filling
and supply connection is to be provided with an accessible isolating
valve located in close proximity to its associated. See also
Vol 3, Pt 1, Ch 5, 9.2 Filling and supply connections and arrangements 9.2.14.
9.2.2 As far
as practicable, separate filling and supply connections are to be
provided for each type of fluid that may be transferred. To reduce
the risk of inadvertent incorrect hose connection, the filling and
supply connections are to be of different types and separated as far
as possible from each other and distinct for for each type of liquid
to be transferred.
9.2.3 A strainer
unit, capable of being cleaned and a means of sampling incoming liquids,
is to be provided at each filling connection.
9.2.4 Each
filling and supply connection is to be provided with a permanently
attached notice identifying the fluid storage system(s) connected
to the filling and supply connection(s).
9.2.5 Filling
and supply connections and associated isolating valves are to be made
from ductile materials. Where ships are required to operate in cold
weather environments, materials of toughness greater than grade E
are to be used.
9.2.6 Filling
and supply connections are to be designed to allow an emergency breakaway
to take place safely, speedily and with a minimum effort from the
crew.
9.2.7 Filling
and supply arrangements for flammable/hazardous liquids are to be
designed to minimise the risk of static electricity build-up. The
piping arrangements within storage tanks are to have outlet ends configured
to reduce turbulence and foaming of the fuel. See
Vol 2, Pt 9, Ch 1, 2.4 Earthing and bonding for requirements
for control of static electricity.
9.2.8 The
control of filling and supply operations for each system that can
be used during RAS operations is to be capable of being carried out
from a designated Master Filling/Supply Control Station. Designated
Master Filling/Supply Control Stations are to be provided with:
-
Effective communication
equipment that permits communication with locations identified in
the engineering and safety justification.
-
Indication of
tank high level and overflow alarms.
-
Tank level/content
indication.
-
A clear visual
means of ascertaining the valve configuration of each filling/supply
system.
9.2.10 The
pipes for lubricating oil and fresh water transfer systems are to
be permanent to minimise the risk of contamination.
9.2.11 Lubricating
oil and fresh water transfer/ filling arrangements are to be provided
with a bulkhead filling connection positioned not less than 300 mm
above the weatherdeck to minimise the risk of sea-water ingress into
the system.
9.2.12 The
arrangements for transferring lubricating oils are to be such that
they permit the use of oil renovation systems whilst RAS operations
are being carried out.
9.2.13 Filling
and supply connection arrangements are to be designed as far as possible
to reduce the incidence of, or opportunity for dissimilar metal corrosion.
9.2.14 Where
ship design and arrangements permit, a dedicated compartment may be
provided in close proximity to the RAS station which can be accessed
from both port and starboard sides in which the commodity connection
points, isolation valves and hoses are housed. This reduces the likelihood
of dissimilar metal corrosion, negates the requirement for below deck
isolating valves, flush deck fittings and reduces the upper deck clutter
(radar cross-section) associated with stowing the hoses on the weather
deck.