Check and bleed nozzle before entering
By Mark van der Feyst
When an interior fire attack is warranted, having a proper water flow and nozzle pattern is the start of an operation that will go well. Accomplished this by checking and bleeding off the nozzle. This will exhaust the air that is being pushed in the hose line as the water from the apparatus is being discharged to the nozzle.
This also allows you to check the nozzle pattern and the line's flow rate prior to entering. Having the correct nozzle pattern will ensure knockdown of the fire as opposed to creating steam and upsetting the thermal balance. If inadequate volume and pressure are discovered at the door, this can be fixed quickly either by removing kinks or increasing the pump pressure.
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