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Passenger
ships must have an automatic sprinkler and alarm system in all control
stations, accommodation and service spaces, including corridors and stairways.
Spaces having little or no risk need not be fitted with an automatic sprinkler
system. [CO2 room, toilets etc.].
A
number of sprinkler heads are supplied with water under pressure, the system
being initially charged with fresh water to avoid corrosion. The system should
provide a minimum water flow of 5 l/m2/min
and the heads should provide complete cover. The pressure tank should provide one-minute supply without the pump and
have a volume of at least twice this amount. The pump should be dedicated to the sprinkler system only.
A
visual and audible alarm should be given automatically indicating which section
is affected; each section must have means of testing the alarm. A pump running
alarm is normally fitted.
The
system is provided with a shore connection and is connected to the fire main by
a lockable S.D.N.R. valve, normally closed. System pressures 5.5 to 8.5 bar.
A manual system
replaces the section valves with remote / manual operated valves and the pipes
between this valve and the sprinklers are empty. Operation is by opening the
required valve. There must be a separate fire detection system, which can be
arranged on a ‘double knock’ operation so that two fire detector heads in alarm
in any section will automatically open the required valve
4 comments:
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A fire water pump is a critical component of a building's fire protection system. It is designed to provide water flow and pressure to sprinkler systems, hydrants, and other firefighting equipment in the event of a fire. Visit Fire Pump Room Installation
The information about oil cooling was quite interesting because temperature problems are sometimes mistaken for other mechanical issues. When hydraulic oil becomes too hot, the machine may show reduced performance, slower movement, or inconsistent operation. Instead of immediately blaming the pump or another component, checking the cooling system can be a sensible first step. A water oil cooler can help manage heat when the system generates more heat than the existing cooling arrangement can remove. However, I think regular temperature monitoring is just as important as installing the cooler itself. It provides useful information about how the machine behaves under different loads. If temperatures gradually increase over time, that could also indicate a developing maintenance issue such as restricted flow or dirty heat-transfer surfaces.
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