Video by: lakeportfiretraining. Video info: Short clip of helmet cam footage from 4th due E-5012 A/O on a residential structure fire. 0400 Hours. Companies E-5011, T-5011, E-5012, and Auto Aid E-5511 responded to a reported 2 story wood frame residential structure with heavy fire showing throughout the second floor. Upon arrival E-5011 dumps the deck while a 2 1/2″ is stretched with E-5011 taking fire attack in the offensive mode under the Command of Chief 500.