4.1.2 Equipment
used in made and fresh water systems is to be provided with local
control and monitoring arrangements.
4.1.3 Where
isolation of equipment or systems can be carried out, means of indicating
the status of isolation is to be provided at positions where the equipment
and system can be operated and monitored.
4.1.4 Instrumentation
to indicate the operational status of running and any standby equipment
is to be provided locally and at each control station.
4.1.5 All
pumps are to be provided with an indication of discharge pressure
and a low discharge pressure alarm at the control station.
4.1.6 Made
water plant instrumentation is to include, as a minimum, salinity
indication and high salinity alarm of the made water at the plant
and at each control station.
4.1.7 Arrangements
are to be made to automatically divert any made water that is above
the specified salinity limit from distribution into the made water
storage system.
4.1.8 Made
water systems using reverse osmosis plant are to be provided with
automatic means of chlorinating the made water downstream of the plant.
4.1.9 Calorifiers
are to be provided with a means of indicating and controlling the
outlet temperature of fresh water to distribution systems. Low and
high temperature alarms are to be provided in the hot water distribution
system at each control station.