The technique of using a fire engine's pump to create a vacuum, allowing atmospheric pressure to push water from a static source like a pond, pool, or portable tank up through hard suction hose. It is essential in rural firefighting where municipal fire hydrants are not available. A successful draft requires an airtight seal in the pump and hose connections.
Heard on the job
We'll be drafting from the retention pond at the end of the driveway to supply the attack engine.
Insider tip
If you lose your prime while drafting, check the hard suction connections first; even a tiny air leak will ruin the vacuum.