Rollero Roof Collapse Truss

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.

Rollero roof collapse truss.

The rollero family skating center near 75th avenue and indian school road. The roof trusses on a church building under construction collapsed friday briefly trapping three people and injuring a total of six. A phoenix skating rink caught fire monday night causing the roof to collapse according to phoenix fire department. 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. 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. The integrity of each element of a building is critical to its stability. Assessing a truss installer s knowledge and experience greatly aids in determining a cause of the truss collapse.

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. Some of these can support the roof and prevent ridge sagging and wall spreading. Section 802 10 4 of the 2006 international residential code.

Note that the gusset plate has completely fallen out and the truss system is held together by friction. Collar ties rafter ties tension beams structural ridge beams. Photo from the 1989 phoenix near miss collapse.