Engine Company, Firefighting

Gated Wyes: Not for Standpipe System Operations

Issue 10 and Volume 172.

By ANTHONY ROWETT JR. Is the gated wye a part of your high-rise hose pack? If it is, reevaluate your standpipe operation equipment selection and your overall standpipe operation tactics. The last thing you want to happen is to get 50, 75, or 100 feet or more down a hallway just to have an unexpected reduction in your flow rate or, worse, a complete loss of water. This will happen when the second hoseline is connected to the other discharge outlet of the gated wye and charged or the valve handle controlling the outlet of the gated wye to which your hoseline is connected is accidentally closed. Preplanning: Include the Hose Stretch When the second hoseline is charged and placed into operation, the initial hoseline will experience a reduction in its flow rate as the gated wye divides the available water supply between the two hoselines. The National Fire Protection…

Subscribe to unlock this content

Subscribe Now