Final answer:
The 4th due engine company on a box alarm is responsible for establishing water supply, stretching an attack line, providing backup and support, and assisting with ventilation and salvage operations.
Step-by-step explanation:
Responsibilities of the 4th Due Engine Company on a Box Alarm:
- Establish Water Supply: The 4th due engine company is responsible for connecting to a hydrant and establishing a continuous water supply to ensure a steady flow of water to the fire scene.
- Stretch Attack Line: They deploy and operate an attack line, making their way to the fire area to extinguish the flames.
- Provide Backup and Support: The 4th due engine company may provide backup to the first and second due companies, ensuring that there are enough resources available to effectively control and extinguish the fire.
- Assist with Ventilation and Salvage: They may assist in performing ventilation operations to clear smoke and improve visibility, as well as salvage operations to protect and preserve property.