I concur with everything you said and the alarm requirements are very
explicit regarding on supervision IF a component is present. Where
does the IBC say you have to have a water flow switch on EVERY floor
of a hi-rise?
Roland
On Jan 13, 2011, at 12:28 PM, Jim Davidson wrote:
In the IBC (2006 Edition) paragraph 903.4 "Sprinkler system
monitoring and alarms", states;
All valves controlling the water supply for automatic sprinkler
systems, pumps, tanks, water levels and temperatures, critical air
pressures and water-flow switches on all sprinkler systems shall be
electrically supervised. And paragraph 903.4.1 Signals, requires that;
Alarm, supervisory and trouble signals shall be distinctly different
and automatically transmitted to an approved central station, remote
supervising station or proprietary supervising station as defined in
NFPA 72 or, when approved by the fire code official, shall sound an
audible signal at a constantly attended location.
Paragraph 903.4.3 "Floor control valves" states that;
Approved supervised indicating control valves shall be provided at
the point of connection to the riser on each floor in high-rise
buildings.
The IBC does require the supervision of fire sprinkler systems
especially where IBC sprinkler trade off are used in the design of
the building.
Have a fire safe day.
Jim Davidson
Davidson Associates
Fire Protection * Medical Gas * Code Consulting
302-994-9500 Fax:302-234-1781
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