Collapse of Burning Buildings - Truss Roof Collapse

In this five-part series Deputy Chief Vincent Dunn (Ret. FDNY) shares his experiences and knowledge about size-up, specific collapse types, patterns that occur, warning signs, and dangers inside as well as outside the structure. Each new DVD includes downloadable quiz questions for use on your PC, as well as new introductions by author Vincent Dunn. Discussion questions are presented at the end of the program.  Truss roofs are the cause of more deaths and serious injuries, and their use is increasing. Case studies, definitions and term, lightweight and timber trusses, construction features, conflicting size-ups, and safe operating procedures.  21 min./2004