Category Archives:

The Bowstring Truss

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All bowstring trusses are not created equal.

A Delicate Balance

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Light Weight construction has given way to Engineered Structural Systems (ESS) which in today’s evolving fireground, have an even more extensive array of performance, operational and integrity issues that affect a building’s performance under fire conditions.To unequivocally state that nothing has changed in buildings, occupancies, fire flow delivery rates and demands for increased proficiencies of […]

Engineered Structural Support (ESS) system: Been in the Field lately?

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Been in the field lately looking at your buildings under construction? Here’s a new look at a common Engineered Structural Support (ESS) system.

Eleven Minutes to Mayday; What You Need to Know

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The Colerain Township (OH) Fire and EMS Department under the leadership of Director and Chief G. Bruce Smith recently released its final report Investigation Analysis of the Squirrels nest Lane Firefighter Line of Duty Deaths related to the April 4, 2008 Double Line of Duty Death of a Captain and Firefighter.  This investigative analysis and report, although specific […]

Predictability of Occupancy Performance during Suppression Operations

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Our buildings have changed; the structural systems of support, the degree of compartmentation, the characteristics of materials and the magnitude of fire loading. The structural anatomy, predictability of building performance under fire conditions, structural integrity and the extreme fire behavior; accelerated growth rate and intensively levels typically encountered in buildings of modern construction during initial […]

Engineered Structural Systems- Hazards

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CNN recently presented an informative piece on the continuing trends in the design and use of engineered structural systems (ESS) . CNN correspondant Gerri Willis provides an informative and  insightful look at something the fire service knows all too well.  Here’s some additional information for you; According to the Wood Truss Council of America (WTCA), […]

Truss and Engineered Systems Placards

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The Aldridge-Benge Firefighter Safety Act of 2008 became law on December 13, 2009 after unanimously passing the Florida House and Senate in 2008. The new law is named in honor of two Orange County, Florida  Firefighters, Todd Aldridge and Mark Benge, who died in 1989 after the roof of a gift shop collapsed; the bill […]

The New Lexicon and Challenges

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Of the many issues affecting the Fire Service, the prevailing challenge that has a pronounced impact on operational safety is the assimilation of engineered structural systems (ESS) into mainstream building design and construction. The presence of engineered structural systems (ESS) are no longer considered to be an innocuous feature in a given building or occupancy; […]