NFPA 805, Performance-Based Standard for Fire Protection for Light Water Reactor Electric Generating Plants

NFPA^® 805 Performance-Based Standard for Fire Protection for Light Water Reactor Electric Generating Plants, 2020 Edition

Chapter 1 Administration

1.1 Scope.
1.2 Purpose.
1.3 Goals.
1.4 Performance Objectives.
1.5 Performance Criteria.
1.6 Equivalency.
1.7 Code of Record.

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 Methodology

4.1 Intent.
4.2 General Approach.
4.3 Assumptions.
4.4 Engineering Analyses.
4.5 Evaluating the Damage Threshold.
4.6 Monitoring.
4.7 Program Documentation, Configuration Control, and Quality.

Chapter 5 Fundamental Fire Protection Program and Design Elements

5.1 General.
5.2 Fire Protection Plan.
5.3 Prevention.
5.4 Industrial Fire Brigade.
5.5 Water Supply.
5.6 Standpipe and Hose Stations.
5.7 Fire Extinguishers.
5.8 Fire Alarm and Detection Systems.
5.9 Automatic and Manual Water-Based Fire Suppression Systems.
5.10 Gaseous Fire Suppression Systems.
5.11 Passive Fire Protection Features.

Chapter 6 Determination of Fire Protection Systems and Features

6.1 Methodology.
6.2 Nuclear Safety.
6.3 Radiation Release.
6.4 Life Safety.
6.5 Plant Damage/Business Interruption.

Chapter 7 Fire Protection During Decommissioning and Permanent Shutdown

7.1 Intent.
7.2 Fire Protection Plan.
7.3 Maintaining Fire Protection Capability.

Annex A Explanatory Material
Annex B Nuclear Safety Analysis
Annex C Application of Fire Modeling in Nuclear Power Plant Fire Hazard Assessments
Annex D Use of Fire PSA Methods in NFPA 805
Annex E Deterministic Approach — Plant Damage/Business Interruption
Annex F Informational References

2015 Edition

Develop superior fire protection schemes for light water reactor electric generators with the performance-based rules in NFPA 805.

Safeguard the public, plant personnel, the facility, and the environment from a nuclear plant fire and its potential effect on safe reactor operations with the up-to-date guidance in NFPA 805, Performance-Based Standard for Fire Protection for Light Water Reactor Electric Generating Plants. Used in the United States and internationally, this Standard specifies the minimum fire protection requirements for existing light water nuclear power plants during all phases of plant operation, including shutdown, degraded conditions, and decommissioning.

NFPA 805's performance-based methods address fundamental fire protection programs, design elements, and nuclear safety and fire protection during decommissioning and permanent shutdown.

The Standard's major objectives include:

• Nuclear safety
• Radioactive release
• Life safety
• Plant damage/business interruption

Changes in the 2015 edition of NFPA 805:

• Clarification of the allowance of wood in the power block will help avoid licensee/operator misunderstandings that could compromise fire safety.
• Adherence to the 2015 NFPA 805 in conjunction with applicable regulatory documents allows for a smoother transition to the performance-based Standard.

Update now for provisions that help you provide state-of-the-art fire protection for light water reactors. (Print, 65 pp., 2015)

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