What is a common scenario involving two attack lines?

In firefighting operations, two attack lines are often utilized to maximize the effectiveness of water application during an incident. When two attack lines are connected to a larger supply line, it facilitates the delivery of sufficient water flow to combat the fire while allowing multiple members of the firefighting team to operate simultaneously. This approach is especially beneficial in situations where the fire is large or involves multiple entry points, as it ensures that the fire can be attacked from different angles, improving engagement and potentially allowing for more effective suppression.

Using two lines in conjunction with a larger line optimizes resource usage and enhances operational efficiency. It also provides options for different tactical approaches, such as one line focusing on protecting exposures while the other works on direct attack on the fire. This strategy is crucial for successful fire control and minimizing property damage or loss.