NFPA® 409 Standard on Aircraft Hangars 2011 Edition

Chapter 1 Administration
1.1 Scope
1.2 Purpose
1.3 Equivalency
1.4 New Technology
1.5 Units
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 Aircraft Hangar Groups
4.1 Aircraft Hangar Classification
Chapter 5 Construction of Group I and Group II Aircraft Hangars
5.1 Types of Construction
5.2 Internal Separations
5.3 Clear Space Distance Requirements Around Hangars
5.4 Floors
5.5 Roofs
5.6 Primary Structural Steel Columns Supporting the Roof
5.7 Doors
5.8 Curtains
5.9 Landing Gear Pits, Ducts, and Tunnels
5.10 Exposed Interior Insulation
5.11 Drainage of Aprons and Hangar Floors
5.12 Heating and Ventilating
5.13 Lighting and Electrical Systems
5.14 Lightning Protection
5.15 Grounding Facilities for Static Electricity
5.16 Exit and Access Requirements
5.17 Draft Curtains
Chapter 6 Protection of Group I Aircraft Hangars
6.1 General
6.2 Fire Protection Systems
6.3 Wheeled and Portable Extinguishers
6.4 Protection System Alarms
Chapter 7 Protection of Group II Aircraft Hangars
7.1 General
7.2 Closed-Head Water Sprinkler System for Aircraft Storage and Servicing Areas
7.3 Foam Concentrate General
7.4 Low-Expansion Foam System
7.5 High-Expansion Foam System
7.6 Closed-Head Foam-Water Sprinkler System
7.7 Detection and Actuation Systems
7.8 Water Supply
Chapter 8 Group III Aircraft Hangars
8.1 Construction
8.2 Separation and Internal Subdivisions
8.3 Hangar Building Clusters
8.4 Heating and Ventilating
8.5 Lighting and Electrical Systems
8.6 Lightning Protection
8.7 Grounding Facilities for Static Electricity
8.8 Exit and Access Requirements
8.9 Fire Protection for Group III Hangars
Chapter 9 Group IV Aircraft Hangars
9.1 Construction
9.2 Internal Separations
9.3 Clear Space Distance Around Hangars
9.4 Aprons and Floors
9.5 Doors
9.6 Curtains
9.7 Landing Gear Pits, Ducts, and Tunnels
9.8 Exposed Interior Insulation
9.9 Drainage of Aprons and Hangar Floors
9.10 Heating and Ventilating
9.11 Lighting and Electrical Systems
9.12 Grounding Facilities for Static Electricity
9.13 Exit and Access Requirements
9.14 Fire Protection for Membrane-Covered Rigid-Steel-Frame-Structure Hangars
Chapter 10 Paint Hangars
10.1 Construction
10.2 Fire Protection
10.3 Ventilation
10.4 Electrical Equipment
10.5 Operations
Chapter 11 Periodic Inspection and Testing
11.1 Fire Protection Systems
Chapter 12 Unfueled Aircraft Hangars
12.1 General
12.2 Construction
12.3 Lighting and Electrical Systems
12.4 Grounding Facilities for Static Electricity
12.5 Protection of Unfueled Aircraft Hangars
12.6 Spray Application of Flammable and Combustible Liquids
12.7 Portable Extinguishers
12.8 Protection System Alarms
Annex A Explanatory Material
Annex B Building Construction Types
Annex C Informational References
Index