the main difference between fire control and fire suppression is related to the fire sprinkler systems impact on the fires heat release rate. the three principal causes of fire sprinkler system failures identified in nfpa 13e are a closed control valve, inadequate water supply for the system and occupancy changes that render the installed system unsuitable. this is not a hard and fast rule however, since the fire may have already operated more sprinkler heads than the available water supply can support, making the system ineffective.
when the system is turned back on the available water supply may not cover the operated heads leading to ineffective water application and a fire that is no longer controlled. the fire department can also have a negative impact on the water supply to a fire sprinkler system. utilizing more water from the supply than accounted for has the potential to reduce the sprinkler system effectiveness, eliminating its ability to control the fire, resulting in fire growth and the need for more water. check out nfpa 13e to help your department identify the recommended training and operations for those responding to emergencies involving activated fire sprinkler systems.
based on this information, he can opt for a second or third alarm to bring more material and personnel onto the scene. basic information personnel should have is what hazards exist in their response area, the nature of these hazards, the amounts of the hazards, and their locations. a great part of this information should also be included in the sprinkler training program.
the sprinkler heads are fitted into the piping at calculated distances and may be in an upright or suspended position or along walls or over doors in a side-wall situation. the fire system pumps must be capable of supplying the hydraulically calculated demands of a determined number of activated sprinklers and supply adequate flow to a determined number of handlines. the location(s) of fdcs must be indicated in the file and visually indicated on the building. the basic operations to be performed by the ic, commanders, and firefighters when responding to a confirmed fire in a sprinkler-protected property are the following: this sequence of operations is basic and should be adapted to each fire department’s specific needs and requirements.
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