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
Index