On Monday April 11th at 1454 hours Rescue Box 15-1 was sounded for the roof collapse with subjects injured on Nicholas Hall Street at Richard Roberts Street in the Royal Oaks subdivision. RE153, E152, A159, B156, C15-1, and C15-2 responded with 14 personnel. Units arrived to find a house under construction with a partial roof collapse and two injured subjects. Both injured subjects were free of the collapse zone and all occupants were confirmed out of the collapsed area. There was no threat of secondary collapse. The assignment was held with Co. 15 and the EMS units. The injured subjects were treated and transported to local hospitals with non-life threatening injuries. Chief 15-1 held the Command. Units cleared at 1530 hours.