High Pressure Pumping Flashcards
Conventional engines should not operate over 250 psi unless
Emergency conditions exist and ordered by the IC and you must use utility rope to secure supply line at bldg connection and apparatus.
What is considered high pressure pumping?
Operating at a discharge pressure over 250 psi
At what floor in a high rise BLDG would you have use high pressure pumping?
At the 31st floor you should be at 300 PSI
When going to use high pressure pumping if possible the apparatus should be how many supply lengths away from the FD connection?
1
When your going to use your rig for high pressure pumping you should be no more than how many supply lengths away from the FD connection
2
Can you supply 2 high pressure supply lines to a single Siamese?
No just one
When using the high pressure hoses they should be tethered and a safety zone established prior to operations. What is the safety zone?
Maintain 50 ft around working engine and supply hose
How many ECC’s are needed to operate pumper for high pressure ops?
2 ECCS one to operate pumps and the other to use HT
When using high pressure pumps and charging the stand pipe can we use the Preset on the rig
No increase pumps slowly
If other than first due to a fire in a high rise high pressure engine and third stage engines shall be positioned where?
At a hydrant in proximity to FD connection
Pressure over what requires 3rd stage pumping?
600 psi
Which engine is the preferred choice for discharge pressure over 500 psi
3 stage pumper
High pressure pumpers can pump at discharge pressures over _____ psi and up to ______ psi.
250/600
3rd stage engines can supply a maximum of _____ GPM up to ____ psi.
500gpm
700 psi
At what floor would 3rd stage engines RECOMENDED?
Floors 81-90