Wildland Ch 12 - Water Supplies and Operations Flashcards
What do you do to a dry hydrant before drafting from it?
Flow into it to dislodge anything in the strainer
Lightweight, single jacket, and collapsible attack hose
Forestry fire hose
Used to take advantage of flowing water that is above the fire
Gravity sock
Portable pumps can supply what gpm
500
Each pump operates independently and the flow is dependent on individual pump ratings
Staged setup
What are the three portable pump flow setups
Staged, parallel, and series
pump configurations utilized to increase the volume of water
parallel setup
dual pump effort used when increasing pressure
Series setup
Discharge from one pump is hooked into intake of another
series
Pump to discharge hose lay
Simple hoselay
What are the two most common types of wildland hoselays
simple and progressive
designed to quickly and continuously move water from the anchor point to the fire without having to shut off water at the pump
Progressive hoselay
Water or water and soil together to extinguish burning materials
Wet mop up
Science of water in motion and at rest
Hydraulics
What is the initial mop up depth
50ft