Category Archives: Engineered Structural Systems

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 […]

Smart and Intelligent Firefighting

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It’s not about NOT fighting fires, but rather fighting fires smarter.

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.

Building Construction for Today’s Fire Service

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Here’s the starting line-up of the New 2013 Buildingsonfire Training Programs and Seminars

Predictability and Performance Of Buildings and Today’s Fireground

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Understanding the building – its complexities in terms of anatomy, structural systems, materials, configuration, design, layout, systems, methods of construction, engineering and inherent features, limitations, challenges and risks – is fundamental for operational excellence on the fireground and firefighter safety.

Remembrance: FDNY and Buffalo(NY) Double LODD from Floor Collapse

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Take the time to revisit two Firefighter LODD incidents that both occurred in the month of August in 2006 and 2009 respectively. Both of these incidents involved a double firefighter line-of-duty death (LODD) and resulted from a floor collapse during the conduct of operations within the fire involved structures. There are numerous lessons learned and recommendations that can be considered and applied in organizations and agencies across the country, both large and small; career or volunteer.

Fire/EMS Safety, Health and Survival Week 2011: Day Five: Near-Misses, Maydays and Floor Collapses

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During the last quarter of 2010 and leading well into the second quarter of 2011 there has been a significant emerging trend developing in basement fires, compromised floor systems and assemblies leading to collapse and numerous near-miss events, close calls and unfortunatly, line of duty deaths during fire operations. If you’ve been paying attention to the various news and […]

Fire Behavior 101; Taking it to the Streets

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  Fire Behavior Fire Dynamics Fire Dynamics is the study of how chemistry, fire science, material science and the mechanical engineering disciplines of fluid mechanics and heat transfer interact to influence fire behavior. In other words, Fire Dynamics is the study of how fires start, spread and develop. But what exactly is a fire? Defining Fire Fire […]

Heavy Fire in 10,000 Square Foot Huntingtown (MD) Mega Mansion Injuring 9 Firefighters

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At 2356 hours on Saturday March 19, 2011, the Huntingtown Volunteer Fire Department was alerted for the reported Chimney Fire at 3380 Soper Road in Huntingtown. While en-route, firefighters received information that the owner was trying to extinguish the fire and believed it had spread to the attic. Units alerted were: Chief 6A (Montgomery), Chief […]

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Chris Naum

Welcome to Commandsafety.com. The authoratative and informational site that provides leading insights on fire service issues related to Building Construction, Command Risk Management and Firefighter Safety.

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The Tombs

The New Safety Formula: Bk = F2S

Without understanding the building-occupancy relationships and integrating; construction, occupancies, fire dynamics and fire behavior, risk, analysis, the art and science of firefighting, safety conscious work environment concepts and effective and well-informed incident command management, company level supervision and task level competencies…You are derelict and negligent and "not "everyone may be going home". Our current generation of buildings, construction and occupancies are not as predictable as past conventional construction; risk assessment, strategies and tactics must change to address these new rules of structural fire engagement. There is a need to gain the building construction knowledge and insights and to change and adjust operating profiles in order to safe guard companies, personnel and team compositions. It's all about understanding the building-occupancy relationships and the art and science of firefighting, Building Knowledge = Firefighter Safety (Bk=F2S)

Addressing Today’s Evolving Fireground

Lectures,Seminars and Training Programs

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Taking it to the Streets Radio

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  • The Newest radio show on FireFighter Netcast.com at Blogtalk Radio… Taking it to the Streets with Christopher Naum. On the Air Monthly on Firefighter Netcast.com. A Buildingsonfire.com Series and Firefighter Netcast.com Production. Advancing Firefighter Safety and Operational Integrity for the Fire Service through provocative insights and dynamic discussions dedicated to the Art and Science of Firefighting and the Traditions of the Fire Service.

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