WebThis pumper may be of smaller capacity due to its ability to use the acquired energy of previous pumpers in the relay. Fire attack pumper Pumping apparatus located at the fire scene that receives water from the relay and is responsible for supplying the attack lines and appliances required for fire suppression. Hose tenders WebJul 1, 2014 · Keeping with the 500-gpm flow, how far can a department move 500 gpm in four- and five-inch LDH set up in a relay pump operation based on supply hose with an operating pressure of 185 psi? A four-inch LDH relay will flow 500 gpm 3,700 feet while the five-inch relay will go a whopping 9,200 feet.

Relay pumping - Firehouse Forums - Firefighting Discussion

WebRelay Pumping & Water Shuttle Training - YouTube 0:00 / 1:34 Relay Pumping & Water Shuttle Training 3,083 views Jun 4, 2024 Turlock Fire conducting training on Relay … WebDec 17, 2010 · There are several methods firefighters use to supply these pumpers. The use of multiple supply lines is one method; this is almost a must when each pumper is moving large amounts of water. But what... reagan class carrier

Relay Pumping Operations Firehouse

WebMar 30, 2006 · 1.2 Stages - a pump with one impeller is a one-stage pump and a pump with two impellers is a two-stage pump. A two-stage pump can be thought of as two separate pumps built into a single casing. The FDNY uses 2-stage pumpers and 3-stage pumpers (high-pressure). 1.3 Volume - the amount of water the pump can discharge. WebOct 23, 2003 · The rationale for relay pumping is that due to friction loss in long lays, you technically do not get the water supply that you need. Relay pumping boosts the … how to take screenshot on ipad no home button