NFPA® 221 Standard for High Challenge Fire Walls, Fire Walls, and Fire Barrier Walls 2012 Edition

Chapter 1 Administration
1.1 Scope
1.2 Purpose
1.3 Application
1.4 Retroactivity
1.5 Equivalency
1.6 Units
Chapter 2 Referenced Publications
2.1 General
2.2 NFPA Publications
2.3 Other Publications. (Reserved)
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 General Requirements
4.1 Scope
4.2 Design Loads
4.3 Fire Resistance Ratings
4.4 Ducts and Air-Transfer Openings
4.5 Double Wall Assemblies
4.6 Impact Damage
4.7 Joints
4.8 Opening Protectives
4.9 Penetrations
Chapter 5 High Challenge Fire Walls
5.1 Scope
5.2 Structural Stability
5.3 Cantilevered HC Fire Walls
5.4 Tied HC Fire Walls
5.5 Double HC Fire Walls
5.6 HC Fire Walls at Elevation Differences
5.7 Clearance
5.8 Opening Protectives
5.9 Penetrations in HC Fire Walls
5.10 Ducts and Air Transfer Openings
5.11 High-Hazard Materials
5.12 Parapets
5.13 Roof Surface Protection
5.14 Roof Structures
5.15 Roof Penetrations
5.16 Horizontal Continuity
Chapter 6 Fire Walls
6.1 Scope
6.2 Structural Stability
6.3 Cantilevered Fire Walls
6.4 Tied Fire Walls
6.5 Double Fire Walls
6.6 Fire Wall Termination
6.7 Fire Walls with Elevation Differences
6.8 Clearance
6.9 Horizontal Continuity
6.10 Opening Protectives
Chapter 7 Fire Barrier Walls
7.1 Scope
7.2 Continuity
7.3 Opening Protectives
Annex A Explanatory Material
Annex B Informational References
Index