4.1.1 Equipment
used in Ship Type piping systems is to be provided with local and
remote control and monitoring arrangements.
4.1.3 Where isolation of Mobility systems or Ship Type systems is to be carried
out whether automatically or manually, indication of the status of isolation is to be
provided at each control station.
4.1.4 Indication
of the operational status of running and standby equipment is to be
provided for all Ship Type piping systems at each control station.
4.1.5 Alarms
are to be provided for compartments containing equipment for operation
of Ship Type piping systems in the event of:
-
A fire.
-
A high bilge alarm
level in any compartment that could be flooded by ingress of sea water
and situated below the damage control deck. Irrespective of the assignment
of the UMS notation, the bilge level detection system
and arrangements for automatically pumping out bilge wells, if applicable,
are to comply with Vol 2, Pt 10, Ch 1, 6.5 Displays.
4.1.6 Refrigeration
compressors for chilled water systems are to be provided with the
following instrumentation and automatic shutdowns:
-
Indication of
suction pressure (saturated temperature), including intermediate stage
when applicable.
-
Indication of
discharge pressure (saturated temperature), including intermediate
stage when applicable.
-
Indication of
lubricating oil pressure.
-
Indication of
cumulative running hours.
-
Automatic shutdown
in the event of low lubricating oil pressure.
-
Automatic shutdown
in the event of high discharge pressure which is to operate at a pressure
in excess of normal operating pressure but not greater than 0,9 of
the maximum working pressure.
-
Automatic shutdown
in the event of a low suction pressure.
4.1.7 Refrigerant
compressors greater than 25kW for chilled water systems are to be
provided with the following instrumentation in addition to that required
by Vol 2, Pt 7, Ch 5, 4.1 General 4.1.6:
-
Indication of
lubricating oil temperature.
-
Indication of
cooling water outlet temperature.
-
Indication of
suction and discharge temperatures.
4.1.8 Air
compressors are to be provided with the following instrumentation
and automatic shutdowns:
-
Indication of
discharge pressure and temperature.
-
Indication of
lubricating oil pressure and temperature.
-
Indication of
cooling water outlet temperature where applicable.
-
Indication of
cumulative running hours.
-
Automatic shutdown
in the event of low lubricating oil pressure.
-
Automatic shutdown
in the event of high discharge pressure.
4.1.9 Alarms
are to be initiated in the event of the following fault conditions
with the refrigerant compressors for cooling water systems and air
compressors:
-
High discharge
pressure.
-
Low suction pressure
(cooling compressors only).
-
Low oil pressure.
-
High discharge
temperature.
-
High oil temperature.
-
Motor shutdown.
4.1.10 Chilled
water systems are to be provided with the following alarms:
-
Failure of condenser
cooling water pumps.
-
High condenser
cooling water outlet temperature.
-
Failure of air
cooler fans associated with the operation of chilled water plant.
-
High and low
chilled water delivery temperatures.
4.1.11 All
pumps are to be provided with an indication of discharge pressure,
a low discharge pressure alarm and a motor shutdown alarm.