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// CODE SNIPPET

2201.3.19 Levels of Impact

Performance Code for Buildings and Facilities 2012 of South Holland, IL > 22 Hazardous Materials > 2201 Hazardous Materials > 2201.3 Performance Requirements > 2201.3.19 Levels of Impact
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Levels of impact related to injuries to persons, damage to processes, structure, contents and to the environment shall comply with the requirements of Section 304 for design performance levels.

2201.3.19.1 General

Magnitudes of design events shall reflect the ignition, spill or release, growth and spread potential of hazardous materials that can be reasonably expected to impact buildings and facilities as designed or constructed.

2201.3.19.2 Design Hazardous Materials Release or Reaction Events

Magnitudes of design events are described in terms of the potential effects given the proposed design, arrangement, construction, furnishing and use of a building or facility.

2201.3.19.3 Range of Event Sizes

Magnitudes of design events shall be defined as small, medium, large and very large, where the quantification of the design event is a function of building or facility use and associated performance group.

2201.3.19.4 Engineering Analysis of Potential Event Scenarios

Quantification of the magnitudes of design events shall be based on engineering analyses of potential scenarios that can be expected to impact a building or facility through its intended life. For each design scenario considered, the analyses shall include the ignitability, reactivity, spill or release potential, the peak release rate, the rate of continued release and expected incident growth, the overall quantity, the toxicity, chemical state and other specific hazards of the material and its impacts on people and property. The physical characteristics and ventilation of the space or area and adjoining spaces or areas shall also be considered.

2201.3.19.5 Design Parameters

Multiple scenarios, ranging from small to very large design events, must be considered to ensure that associated levels of tolerable damage are not exceeded as appropriate to the performance group.

2201.3.19.6 Factors in Determining Design Events Scenarios

The use of the room or area of event and adjoining spaces, in terms of occupant risk, property protection and community welfare (importance) factors, shall be considered in the development of design scenarios.

2201.3.19.7 Justification

Justification of the magnitudes of design events shall be part of the analysis prepared by the design professional.

Related Code Sections


2201.3.19 Hazardous Materials, Levels of Impact
Levels of impact related to injuries to persons, damage to processes, structure, contents and to the environment shall comply with the requirements ...
Performance Code for Buildings and Facilities 2012 of South Holland, IL > 22 Hazardous Materials > 2201 Hazardous Materials > 2201.3 Performance Requirements > 2201.3.19 Levels of Impact
304.2 Design Performance Levels, Level of Impact
There are four design performance levels defined in terms of tolerable limits of impact to the building or facility, its contents and its occupants ...
Performance Code for Buildings and Facilities 2012 of South Holland, IL > 3 Design Performance Levels > 304 Maximum Level of Damage to Be Tolerated > 304.2 Level of Impact
2201.3.19.1 Hazardous Materials, General
expected to impact buildings and facilities as designed or constructed ...
Performance Code for Buildings and Facilities 2012 of South Holland, IL > 22 Hazardous Materials > 2201 Hazardous Materials > 2201.3 Performance Requirements > 2201.3.19 Levels of Impact > 2201.3.19.1 General
2201.3.19.2 Hazardous Materials, Design Hazardous Materials Release or Reaction Events
Magnitudes of design events are described in terms of the potential effects given the proposed design, arrangement, construction, furnishing and use ...
Performance Code for Buildings and Facilities 2012 of South Holland, IL > 22 Hazardous Materials > 2201 Hazardous Materials > 2201.3 Performance Requirements > 2201.3.19 Levels of Impact > 2201.3.19.2 Design Hazardous Materials Release or Reaction Events
2201.3.19.3 Hazardous Materials, Range of Event Sizes
Magnitudes of design events shall be defined as small, medium, large and very large, where the quantification of the design event is a function ...
Performance Code for Buildings and Facilities 2012 of South Holland, IL > 22 Hazardous Materials > 2201 Hazardous Materials > 2201.3 Performance Requirements > 2201.3.19 Levels of Impact > 2201.3.19.3 Range of Event Sizes
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