Rollero Roof Collapse Truss

Greg jakubowski notes some of these tragedies and discusses the hazards and characteristics inherent in bowstring truss roof construction.

Rollero roof collapse truss.

Note that the gusset plate has completely fallen out and the truss system is held together by friction. It s no secret that the bowstring truss roof is a particularly tricky and dangerous construction element that has led to multiple tragedies within the fire service. This article describes and illustrates the different types of support that prevents roof sagging and wall bulging at buildings including definitions of collar ties rafter ties and structural ridge beams. On june 15 2003 a 39 year old male career lieutenant victim 1 and a 39 year old male career fire fighter victim 2 died while trying to exit a commercial structure following a partial collapse of the roof which was supported by lightweight metal trusses.

The failure to follow or observe these guiding principles has led to the collapse of many wood roof truss systems. However no component carries more potential for property damage or personal injury than the roof. Collar ties rafter ties tension beams structural ridge beams. Photo from the 1989 phoenix near miss collapse.

A phoenix skating rink caught fire monday night causing the roof to collapse according to phoenix fire department. The rollero family skating center near 75th avenue and indian school road. Some of these can support the roof and prevent ridge sagging and wall spreading. Fortunately no one was hurt when the wood frame came down off route 1 in attleboro.

A poorly performing foundation or failing exterior cladding can be inconvenient unsightly and expensive to repair or replace but a roof collapse can have devastating and long term consequences. Assessing a truss installer s knowledge and experience greatly aids in determining a cause of the truss collapse. Death in the line of duty a summary of a niosh fire fighter fatality investigation.