What is defined as having two pumpers connected independently to the same fire hydrant?

Dual pumping refers to the operation in which two pumpers are connected to the same fire hydrant independently. This technique is often utilized in firefighting scenarios to maximize water flow and pressure during an emergency response. By having two separate pumpers drawing from the same source, firefighters can achieve greater reach and volume of water, which is particularly beneficial in situations that require significant firefighting resources.

This method allows for a more efficient use of apparatus and personnel, as each pumper can operate independently while still benefiting from the shared water supply. It enhances operational effectiveness, especially in large-scale incidents where multiple lines of attack may be needed simultaneously.

In contrast, terms such as single pumping, sequential pumping, and combined pumping do not accurately describe the arrangement where two pumpers operate concurrently from the same hydrant. Single pumping indicates one pumper operating alone. Sequential pumping usually involves successive operations where one pumper lays down lines and others follow in a specific order. Combined pumping typically refers to the collaborative efforts of pumpers not necessarily connected to the same hydrant, but rather coordinating their outputs. Thus, dual pumping is the most appropriate term for this scenario.