An elevated master stream device mounted at the tip of an aerial ladder is a ladder pipe.
Master streams are a useful weapon for fighting and putting out fires, particularly in defensive circumstances or when a safe distance must be maintained while pumping a lot of water.
Master streams, such as those attached to a truck or aerial equipment, have a capacity of 500 to 2,500 gpm at 100 psi. With a 100-psi nozzle, the water is moving at a rate of around 120 feet per second, or 80 miles per hour.
In attempts to put out fires or remove potential dangers like chimneys, we have witnessed the impact of using a master stream to push or knock over structures like walls or chimneys. Water pressure may be quite damaging.
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