Final answer:
The primary purpose of the 1st due engine company during a basement fire is to extinguish the fire safely and effectively, ensure firefighter and occupant safety through a thorough risk assessment, and to communicate and coordinate with other units for a successful resolution.
Step-by-step explanation:
The primary purpose of the 1st due engine company on a known basement fire is to safely and effectively extinguish the fire. This involves a systematic approach that includes securing a water supply, stretching an appropriate attack line, and coordinating ventilation to remove heat and smoke.
Due to the challenges associated with basement fires, such as limited access and heightened risks of structural collapse, it is also crucial for the first due engine to perform a rapid but thorough risk assessment to ensure the safety of both the firefighting team and any building occupants.
Furthermore, the 1st due engine must also communicate effectively with other arriving units, such as the second engine and ladder companies, to ensure a coordinated attack and search and rescue efforts if necessary. Teamwork and clear communication are essential to managing the inherent risks and successfully resolving the incident.