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.
Rollero roof collapse truss.
Section 802 10 4 of the 2006 international residential code.
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 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.
However no component carries more potential for property damage or personal injury than the roof.
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 integrity of each element of a building is critical to its stability.
Death in the line of duty a summary of a niosh fire fighter fatality investigation.
The roof trusses on a church building under construction collapsed friday briefly trapping three people and injuring a total of six.
Photo from the 1989 phoenix near miss collapse.
The failure to follow or observe these guiding principles has led to the collapse of many wood roof truss systems.
Note that the gusset plate has completely fallen out and the truss system is held together by friction.
Fortunately no one was hurt when the wood frame came down off route 1 in attleboro.
A phoenix skating rink caught fire monday night causing the roof to collapse according to phoenix fire department.
Greg jakubowski notes some of these tragedies and discusses the hazards and characteristics inherent in bowstring truss roof construction.