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[F] 1701.3.15.3 Engineering Analyses of Potential Fire Scenarios
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Quantification of the magnitudes of design fire events shall be based on engineering analyses of potential fire scenarios that can be expected to impact a building through its intended life. For each design fire scenario considered, the analyses shall include the ignitability of the first item, the peak heat release rate of the item first ignited, the rate of heat release and expected fire growth, and the overall fuel load, geometry, and ventilation of the space and adjoining spaces.
When determining (assigning) the magnitude of a design fire event, the physical properties of the fire and its effluents shall only be considered in terms of how they impact the levels of tolerable damage. The magnitude of the fire event is not required to be characterized solely on the basis of the physical size of the fire in terms of its heat release and smoke production rates.
Multiple design fire scenarios, ranging from small to very large design fire events, shall be considered to ensure that associated levels of tolerable damage are not exceeded as appropriate to the performance group.
The development of design fire scenarios shall consider the use of the room of fire origin and adjoining spaces, in terms of impact on occupant, property and community welfare.
Justification of the magnitudes of design fire events and design fire scenarios shall be part of the analysis prepared by the registered design professional and shall take into consideration the reasonableness, frequency and severity of the design fire event and design fire scenarios.
Design fires and fire scenarios shall be chosen to provide appropriate factors of safety to provide adequate performance by accounting for the following factors:
- Effects of uncertainties arising from construction activities.
- Variations in the properties of materials and the characteristics of the site.
- Accuracy limitations inherent in the methods used to predict the fire safety of the building.
- Variations in the conditions of facilities, systems, contents and occupants.
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Performance Code for Buildings and Facilities 2018 of South Holland > 17 Fire Impact Management > 1701 Fire Impact Management > 1701.3 Performance Requirements > 1701.3.15 Magnitude of Fire Event > 1701.3.15.3 Engineering Analyses of Potential Fire Scenarios
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Performance Code for Buildings and Facilities 2012 of South Holland > 17 Fire Impact Management > 1701 Fire Impact Management > 1701.3 Performance Requirements > 1701.3.15 Magnitude of Fire Event > 1701.3.15.3 Engineering Analyses of Potential Fire Scenarios > 1701.3.15.3.2 Design Parameters
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Performance Code for Buildings and Facilities 2018 of South Holland > 17 Fire Impact Management > 1701 Fire Impact Management > 1701.3 Performance Requirements > 1701.3.15 Magnitude of Fire Event > 1701.3.15.3 Engineering Analyses of Potential Fire Scenarios > 1701.3.15.3.5 Safety Factors
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Design fires and fire scenarios shall be chosen to provide appropriate factors of safety to provide adequate performance by accounting ...
Performance Code for Buildings and Facilities 2012 of South Holland > 17 Fire Impact Management > 1701 Fire Impact Management > 1701.3 Performance Requirements > 1701.3.15 Magnitude of Fire Event > 1701.3.15.3 Engineering Analyses of Potential Fire Scenarios > 1701.3.15.3.5 Safety Factors