What is the purpose of a hand hose line system?

The purpose of a hand hose line system is primarily to supplement fixed fire protection systems. This means that while fixed systems like sprinklers or standpipes have established methods for delivering water to combat fires, a hand hose line system provides firefighters with the flexibility and mobility needed to target specific areas more directly.

Hand hose lines can be quickly deployed to address fire situations that may not be effectively managed by fixed systems alone. They can help contain or extinguish fires in a timely manner, especially in locations where access to the fire may be limited or where built-in systems may not provide sufficient coverage. This system is crucial in dynamic fire scenarios, allowing trained personnel to engage directly with the fire in a controlled and strategic manner.

The other options do not accurately reflect the primary function of a hand hose line system. For example, while a hand hose may contribute to a water supply supplemental to fixed systems, that is not its sole purpose.