At 1245hrs companies 1 and 5 were dispatched to 94 Olivia Street in Derby for a working structure fire with one occupant possibly trapped on the number 3 floor. Upon arrival the crew of Tower 7 was quickly put to work by Derby command, laddering the roof of the structure and performing a search on the number 2 floor.  Crews performed ventilation, rescue, and overhaul operations while on scene. The fire was knocked down within 15 minutes and crews performed extensive overhaul.