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NFPA 409 2022

NFPA 409 2022

$80.71

NFPA 409: Standard on Aircraft Hangars

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NFPA 2022
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Keep pace with rapidly changing aircraft hangar safety requirements by referencing the significantly updated NFPA 409, 2022 edition. There are safety considerations and hazards unique to aircraft hangars that must be accounted for to help protect lives and property. NFPA 409, Standard on Aircraft Hangars, provides the specifications and requirements for the construction and fire protection of buildings or structures intended to house aircraft. The standard covers all sizes and varieties of aircraft hangars utilized for storage, maintenance, and other applications. Content covers: Referenced publications and general and NFPA definitions Aircraft hangar group classifications Group I and II aircraft hangar construction Group I and II aircraft hangar protection Group III and IV aircraft hangars Paint hangar construction and fire protection Inspection, testing, and maintenance Special provisions for unfueled aircraft hangars The 2022 edition features extensive revisions to reflect cutting-edge engineering principles, the most current test data, and collected field experience. NFPA 409, Standard on Aircraft Hangars, is a vital resource for everyone from architects, designers, and engineers to contractors, installers, and facility and construction managers. The 2022 standard includes a variety of notable changes that may be relevant to your work and industry. Edits to this edition include: New provisions and updates to existing sections of NFPA 409 Added sections in Chapter 1 on application and retroactivity to allow for their use within the standard Several new definitions in Chapter 3 to provide further context for the technical changes made during this revision cycle Introduction of Chapter 4, Fire Protection Approaches, to allow for an evaluation of the fire risks and hazards for an aircraft hangar as found on a specific site New Chapter 5, Performance-Based Design Approach, to complement Chapter 4, permitting the use of a performance-based design for aircraft hangars based on specified criteria and a final approval performed by the authority having jurisdiction Added section in Chapter 6 on ignitable liquid drainage floor assemblies to permit the use of this protection method within specified hangars Revised Chapter 11 outline and new inspection, testing, and maintenance requirements that have applicability across several NFPA® documents Changes to other existing requirements, as well as updates pertaining to general organization and reference publications Access the criteria and guidance for better protecting aircraft hangars from the source you trust at NFPA.

PDF Catalog

PDF Pages PDF Title
11 Chapter 1 Administration
1.1 Scope.
1.2 Purpose.
1.3 Application.
1.4 Retroactivity.
1.5 Equivalency.
1.6 New Technology.
1.7 Units.
12 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.
13 3.3 General Definitions.
Chapter 4 Fire Protection Approaches
4.1 Fire Protection Approach.
14 4.2 Fire Risk Assessment.
Chapter 5 Performance-Based Design Approach
5.1 Performance-Based Design Approach.
5.2 Goals and Objectives.
15 5.3 Qualifications.
5.4 Independent Review.
5.5 Final Determination.
5.6 Maintenance of Performance-Based Design Approach.
5.7 Performance Criteria.
Chapter 6 Aircraft Hangar Groups
6.1 Aircraft Hangar Classification.
16 Chapter 7 Construction of Group I and Group II Aircraft Hangars
7.1 Defueled Aircraft.
7.2 Types of Construction.
7.3 Internal Separations.
7.4 Clear Space Distance Requirements Around Hangars.
7.5 Floors.
7.6 Roofs.
17 7.7 Primary Structural Steel Columns Supporting the Roof.
7.8 Doors.
7.9 Curtains.
7.10 Landing Gear Pits, Ducts, and Tunnels.
7.11 Exposed Interior Insulation.
18 7.12 Drainage of Aprons and Hangar Floors.
7.13 Heating and Ventilating.
19 7.14 Lighting and Electrical Systems.
7.15 Lightning Protection.
7.16 Grounding Facilities for Static Electricity.
7.17 Exit and Access Requirements.
7.18 Draft Curtains.
20 Chapter 8 Protection of Group I Aircraft Hangars
8.1 General.
8.2 Fire Protection Systems.
25 8.3 Wheeled and Portable Extinguishers.
8.4 Protection System Alarms.
Chapter 9 Protection of Group II Aircraft Hangars
9.1 General.
9.2 Closed-Head Water Sprinkler System for Aircraft Storage and Servicing Areas.
9.3 Foam Concentrate — General.
26 9.4 Low-Expansion Foam System.
9.5 High-Expansion Foam System.
27 9.6 Closed-Head Foam-Water Sprinkler System.
9.7 Detection and Actuation Systems.
9.8 Water Supply.
28 Chapter 10 Group III Aircraft Hangars
10.1 Construction.
10.2 Separation and Internal Subdivisions.
10.3 Heating and Ventilating.
29 10.4 Lighting and Electrical Systems.
10.5 Lightning Protection.
10.6 Grounding Facilities for Static Electricity.
10.7 Exit and Access Requirements.
10.8 Fire Protection for Group III Hangars.
Chapter 11 Group IV Aircraft Hangars
11.1 Construction.
30 11.2 Internal Separations.
11.3 Clear Space Distance Around Hangars.
11.4 Aprons and Floors.
11.5 Doors.
11.6 Curtains.
11.7 Landing Gear Pits, Ducts, and Tunnels.
11.8 Exposed Interior Insulation.
11.9 Drainage of Aprons and Hangar Floors.
11.10 Heating and Ventilating.
11.11 Lighting and Electrical Systems.
31 11.12 Grounding Facilities for Static Electricity.
11.13 Exit and Access Requirements.
11.14 Fire Protection for Membrane-Covered Rigid-Steel-Frame-Structure Hangars.
34 Chapter 12 Paint Hangars
12.1 Construction.
12.2 Fire Protection.
12.3 Ventilation.
35 12.4 Electrical Equipment.
12.5 Operations.
Chapter 13 Inspection, Testing, and Maintenance
13.1 Fire Protection Systems.
37 Chapter 14 Defueled Aircraft Hangars
14.1 General.
14.2 Construction.
14.3 Lighting and Electrical Systems.
14.4 Grounding Facilities for Static Electricity.
14.5 Protection of UnfueledDefueled Aircraft Hangars.
14.6 Spray Application of Flammable and Combustible Liquids.
38 14.7 Portable Extinguishers.
14.8 Protection System Alarms.
Annex A Explanatory Material
46 Annex B Building Construction Types
47 Annex C Type Qualification for Aircraft Hangar Radiant Energy–Sensing Fire Detectors and Controls
51 Annex D Informational References

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