Final answer:
The 1st due engine company's responsibilities upon arriving at the scene of a reported fire include search and rescue, fire suppression, and situation assessment and reporting.
Step-by-step explanation:
Upon arriving at the scene of a reported fire, the 1st due engine company has several responsibilities:
Search and rescue: They search burning buildings to locate fire victims and rescue them from burning buildings, accident sites, or water hazards. They may administer first aid and CPR to injured persons.
Fire suppression: They dress with equipment such as fire-resistant clothing and breathing apparatus to control and extinguish the fire.
Situation assessment and reporting: They assess the fire and the situation and report conditions to their superiors to receive instructions, often using two-way radios.