Ch13 Relay pumping operations Flashcards
the pumper connected to the water supply at the beginning of the relay operation
source pumper
a pumper or pumpers connected within the relay that receives water from the source pumper or another relay pumper
relay pumper aka in-line pumper
pumper located at the fire scene that will be receiving water from the relay and supplying attack lines and appliances as needed for fire suppression
attack pumper
blank are intended to enhance firefighter safety and reduce the possibility of damage to the pump and discharge hoselines caused by water hammer
intake pressure relief valves aka relay relief valves
blank involves flowing a predetermined volume of water for the maximum distance that it can be pumped through particular hose lay
maximum distance relay method
this relay method provides the maximum flow available from a particular relay setup by using a constant pressure in the system
constant pressure relay method