NFPA 556: Guide on Methods for Evaluating Fire Hazard to Occupants of Passenger Road Vehicles

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2012 NFPA 557
Prior Years Prior Editions of NFPA 557

First Edition! Use the 2012 NFPA 557 to assist in the determination of fire loads for use in calculations of the performance of structures in a fire.

The 2012 NFPA 557: Standard for Determination of Fire Loads for Use in Structural Fire Protection Design is a brand new document that provides a methodology for the determination of the fire load and fire load density to be used as the basis for the evaluation and design of the structural fire performance of a building.

Developed in response to a request on performance-based design initiatives in the area of fire loads, this Standard covers:

  • Design fundamentals
  • Development of fire loads
  • Occupancy-based fire load density
  • Survey method-based fire load density
  • Documentation, inspection, and maintenance

Five annexes provide additional clarification of requirements. A valuable tool for architects, designers, engineers, and researchers. (Softbound, Approx. 22 pp., 2012)

NFPA® 557 Standard for Determination of Fire Loads for Use in Structural Fire Protection Design 2012 Edition

Chapter 1 Administration
1.1 Scope
1.2 Purpose
1.3 Application
1.4 Equivalency
1.5 Units and Formulas
Chapter 2 Referenced Publications
2.1 General
2.2 NFPA Publications
2.3 Other Publications
2.4 References for Extracts in Mandatory Sections
Chapter 3 Definitions
3.1 General
3.2 NFPA Official Definitions
3.3 General Definitions
Chapter 4 Design Fundamentals
4.1 Methodology
4.2 Fire Load
4.3 Statistical Distribution of Fire Load
4.4 Frequency of Fire Initiations
4.5 Effectiveness of Fire Protection Features
Chapter 5 Development of Fire Loads
5.1 Types of Fire Loads
5.2 Defining the Compartment
5.3 Distributed Fire Loads
5.4 Localized Fire Loads
5.5 Frequency of Structurally Significant Fires
5.6 Approvals and Limitations
5.7 Application of the Frequencies of Structurally Significant Fires to Occupancies
Chapter 6 Occupancy-Based Fire Load Density
6.1 Fire Load Density
6.2 Design Fire Load Density
Chapter 7 Survey Method-Based Fire Load Density
7.1 Fire Load Density
7.2 Fire Load
7.3 Heats of Combustion
7.4 Methodology and Limitations
Chapter 8 Documentation, Inspection, and Maintenance
8.1 Documented Fire Load
8.2 Prior to Occupancy Change
8.3 Change in Occupancy
8.4 Repairs
8.5 Formal Review
Annex A Explanatory Material
Annex B Summary of Occupancy Based Fuel and Fire Load Survey Data
Annex C Guidance for Fuel or Fire Load Surveys (Special Facility and Occupancy Based)
Annex D Analyses of Structurally Significant Fires in Buildings with Selected Characteristics
Annex E Informational References