NFPA 409: Standard on Aircraft Hangars, 2016 NFPA Standards are copyright of National Fire Protection Association (NFPA). The National Fire Protection Association (NFPA) 409: Standard on Aircraft Hangars is the primary standard for hangar fire protection and is referenced by the international building code (IBC), the international fire code (IFC), and state and local statutes, ordinances and regulations. Highlights of Art. There are four types of aircraft hangar groups which are classified as follows, per NFPA 409: Group I aircraft hangars shall have at least one of the following features and operating conditions: Group II aircraft hangars shall have both of the following features: Group III aircraft hangars may be either a row hangar with multiple units or an open bay hanger capable of housing multiple aircraft or a freestanding unit for a single aircraft. The automatic sprinkler system must be designed to provide 0.17 gpm/ft2 over the hydraulically most demanding 5,000 ft2. NFPA members and public sector officials may submit a question on an NFPA code or standard. NFPA 70: National Electrical Code (NEC) ... NFPA 409: Standard on Aircraft Hangars. Although NFPA 409 “Standard on Aircraft Hangars” is the most common standard for the protection of aircraft hangars, the U.S. Air Force ETL 02-15 is applicable to Air Force and Army facilities, whereas the UFC 4-211-01N addresses Navy and Marine Corps facilities. However, since planes are designed to fly, it is essential to minimize their maintenance time in the hangar and maximize their availability to fly. Group I aircraft hangars are those that have a hangar access door height of 28 feet or greater or a single fire area in excess of 40,0002ft. 3. NFPA® 409 Standard on Aircraft Hangars Handbook 2011 409 NFPA®, 1 Batterymarch Park, Quincy, MA 02169-7471, USA An International Codes and Standards Organization Aircraft Hangars NFPA 409 Group II › Aircraft access door height of 28’ or less › Single fire area not larger than 40,000 ft 2. NEC Requirements in Aircraft Hangars. Generally speaking, the fire protection options for fueled aircraft hangars… For Group II hangers, a closed-head, foam-water sprinkler system is also an option. At a cost that was initially estimated at more than $1 million, this will be classified as a “Class A” mishap by the Navy. AFPG offers simple and worry-free Life Safety compliance. NFPA 407, on the other hand requires outdoor fueling. NFPA 409 The stated purpose of NFPA 409 is: “1.2.1 The purpose of this standard is to provide a reasonable degree of protection from fire for life and property in aircraft hangars, based on sound engineering principles, test data, and field experience.” The standard accomplishes this purpose by first classifying aircraft hangars by size and For Group III hangars, fixed fire protection systems are not normally required, but ensure to check your locally adopted building codes. Aircraft Hangars NFPA 409 Group III › Aircraft access door height of 28’ or less. So, the aircraft fueling should be done outdoors. Generally speaking, the fire protection options for fueled aircraft hangars’ service and storage areas for Group I and II hangars are the following: When opting for a combination of automatic sprinkler protection and foam, automatic sprinkler systems for Group I hangars are to be designed for 0.17 gpm/ft2 over 15,000 ft2, whereas Group II hangars will utilize the same design density over 5,000 ft2. Aircraft Hangars NFPA 409 Group IV › Membrane-covered rigid, steel frame structure. Without warning, the airplane hangar fire suppression system is activatedand discharges its high-expansion fire-retardant foam onto the aircraft below. Our Location If you would like to learn more about aircraft hangar fire protection, contact one of our team members today! Bonds shall have a resistance reading of one ohm or less. 5.10 Aircraft Fuel Servicing Locations. NFPA 409, standard on Aircraft Hangars, requires the primary fire suppression agent for aircraft hangars to be foam. NFPA 409-2016 NFPA 409 Standard on Aircraft Hangars, 2016 edition. Its doubly important if the hangar/airport where your aircraft is located also follows NFPA … Group III hangars shall have both of the following features: Group IV aircraft hangars shall be a structure constructed of a membrane-covered rigid steel frame. Adopted in all 50 states, NFPA 70, National Electrical Code (NEC) is the benchmark for safe electrical design, installation, and inspection to protect people and property from electrical hazards. The NFPA 409 code standard has four different categories, based on the size of the structure: Group 1 - Aircraft bay exceeds 40,000 square feet with a hangar door taller than 28 feet. Standards for fire detection and suppression for aircraft hangars in the civil industry are coded under National Fire Protection Association (NFPA) 409, backed up by NFPA 410 dealing specifically with aircraft MRO facilities. A fleet of five Navy attack F/A-18s is undergoing maintenance and modifications in a hangar in north Florida. American Fire Protection Group has the qualified professionals and the proven experience to handle your aircraft hangar fire protection design, installation, and service needs. The regularly occurring maintenance activities provide several potential ignition sources. • NFPA 70B, Recommended Practice for Electrical Equipment Maintenance. Once the aircraft hangar classification group is determined, an appropriate fire protection system must be chosen. The maximum sprinkler system size shall not exceed 52,000ft². NFPA (National Fire Protection Agency) 409 - Standard for Aircraft Hangars states in each chapter that deals with the 4 types of Hangars: 8.6.1* Grounding facilities shall be provided for removal and control of static electrical accumulations on aircraft while aircraft are stored or are undergoing servicing in a hangar. NFPA and the NFPA logos are trademarks and service marks of NFPA. A steel building from General Steel is the most reliable solution for a private aircraft hangar. 513 of the 2017 National Electrical Code. When choosing a fire protection system for an aircraft hangar, the classification of the hangar must first be determined. Article 513 of the 2017 National Electrical Code (NEC) provides the requirements for aircraft hangars. Mark Lamendola. your high-value aircraft. Guide to Aircraft Hangar Classifications 1. • NFPA 409 Standard on Aircraft Hangars says, “Listed detection systems shall be acceptable in lieu of heat detection if approved by the authority having jurisdiction and installed in accordance with NFPA 72.” Chapter 17 of NFPA 72 is titled “Initiating Devices” and If there are hazardous operations such as fuel transfer, welding, torch cutting, spray painting, etc. • NFPA 70, National Electrical Code. Group IV aircraft hangars shall be a structure constructed of a membrane-covered rigid steel frame. Re: Aircraft Hangar IMO,the floor receptacles must be wired for Class 1 Division 1 location per the 2002 edition of NFPA 70, Section 500.5(B)(1). A combination of automatic sprinkler protection and an automatic low-level high-expansion foam system. Also, the airplanes themselves have large main bodies and wings, which create sizeable obstructions for many typical fire protection systems. For Group IV hangars with fueled aircraft, fire protection options for storage and service areas are either: For Groups I, II and IV hangars housing unfueled aircraft only, a wet pipe or single-interlock pre-action system may be employed. Article 513 covers any structure used for storing or servicing aircraft containing Class I (flammable) or Class II (combustible) liquids whose temperatures are above their flashpoints [513.1]. Code Changes for Aircraft Hangars [NFPA 409] Published on March 7, 2020 March 7, 2020 • 42 Likes • 3 Comments Major changes in the 2016 edition of NFPA 409 impact the design of fire protection systems in new Group I and Group II aircraft hangars. We’ll have a quote to you within 24 hours. From a fire protection standpoint, the aircraft hangars where these high-value airplanes are stored are unique facilities for several reasons. What is Behavior Based Safety and How Can It Save Lives? Protecting your prized asset is of the utmost importance, and steel construction offers the strength and design flexibility that ensures the safety and proper maintenance of your aircraft. The cause of activation remains undetermined. Terms of Use • NFPA 70 National Electrical Code has multiple references to NFPA 72. National Electrical Code Top Ten Tips: Article 513 -- Aircraft Hangers. The wide array of design choices and installation requirements must be carefully weighed to find the most cost-effective and code compliant system to protect. Grounding devices installed in floors are intended to serve as aircraft static and equipment grounding. NFPA 409 requires most modern general aviation hangars to have automatic foam fire suppression systems installed. Privacy Policy American Fire Protection Group is a subsidiary of APi Group, Inc. AFPG’s Parent Company, APi Group, Makes Four Acquisitions Worth $300M, AFPG Jackson’s Cory Fry Achieves NICET IV Certification, Listen Now: APi Group’s Building Great Leaders Podcast, An aircraft access door height over 28 ft (8.5m), A single fire area in excess of 40,000 ft, Provision for housing an aircraft with a tail height over 28 ft (8.5m), An aircraft access door height of 28 ft (8.5m) or less, Foam-water deluge system, with supplementary protection systems under single aircraft wing areas over 3000 ft. A combination of automatic sprinkler protection and an automatic low-level low-expansion foam system. 1.1.2 This standard applies only to buildings or structures used for aircraft storage, maintenance, or related activities. The Zone Classification System is offered as an alternative to the Class and Division system. Only in the updated 2016 Edition: Updated references Expanded … A single fire area of 30,000 ft 2 (3716 m 2) or less, and in accordance with the maximum single fire areas for each construction type as shown in NFPA 409, Table 4.1.3. Background. • NFPA 780, Standard for the Installation of Lightning Protection Systems. May 15, 2018. Code Changes for Aircraft Hangars [NFPA 409] Published on March 7, 2020 March 7, 2020 • 42 Likes • 3 Comments NFPA 409 Standard on Aircraft Hangars There typically will be a significant amount of flammable liquid aircraft fuel present. National Fire Protection Association (NFPA) 409 – Standard on Aircraft Hangars. NFPA 409 was defined to be the “standard that helps safeguard life and property through the requirements for the proper construction and fire protection of aircraft hangars used for aircraft storage, maintenance, or related activities.” Apply bonding for other facilities in accordance with NFPA 70 and NFPA 780. More Info. NEC Requirements in Aircraft Hangars. More Info. There are many other potential requirements for aircraft hangar fire protection systems including, but not limited to: Detailed fire protection system requirements are found in the NFPA 409 standard. Other uses within an aircraft hangar shall be protected in accordance with other applicable NFPA Standards.

Here are some highlights: Log in to view the full article. Aircraft hangar fire protection systems have numerous and often times complex code requirements. Aircraft hangars are commonly referred to as "glorified garages" for airplanes. Further s… Standards for fire detection and suppression for aircraft hangars in the civil industry are coded under National Fire Protection Association (NFPA) 409, backed up by NFPA 410 dealing specifically with aircraft MRO facilities. 2.3.3.2 AIRCRAFT HANGAR FLOORS. 5.10.2* Aircraft being fueled shall be positioned so that aircraft fuel system vents or fuel tank openings are not closer than 7.6 m (25 ft) to any terminal building, hangar, service building, or enclosed passenger concourse other than a loading walkway. NFPA 409, 16th Edition, July 14, 2015 - STANDARD ON AIRCRAFT HANGARS There is no abstract currently available for this document Insurance company requirements may also govern on a particular project. The National Fire Protection Association (NFPA) has strict standards for aircraft hangars, including NFPA 409. Group IV Hangars • Membrane Fabric – Flame resistance to NFPA 701 – Flame spread to NFPA 101, Class A • Limited to one story • Separation distance 75 Ft (no clusters) Group IV Fire Protection • Areas less that 12,000 Ft2 with hazardous operations must be sprinklered • Areas over 12,000 Ft2 for fueled aircraft must have a foam system National Electrical Code Top Ten Tips: Article 513 -- Aircraft Hangers. [F] 412.4.6 Fire suppression. Before securing any bond, ensure electrical continuity by removing any paint, oil, dirt, or rust on contact surfaces. Ensuring the reliability of NFPA 11 systems in aircraft hangars Damage caused from an accidental discharge in one of these occupancies can be costly, easily reaching into the millions. Schedule your service or inspection today! NFPA 409: Standard on Aircraft Hangars, 2016 NFPA Standards are copyright of National Fire Protection Association (NFPA). A revision of the same standard also looks the same, with some differences in wording. Here are some highlights: Log in to view the full article. NFPA (National Fire Protection Agency) 409 - Standard for Aircraft Hangars states in each chapter that deals with the 4 types of Hangars: 8.6.1* Grounding facilities shall be provided for removal and control of static electrical accumulations on aircraft while aircraft are stored or are undergoing servicing in a hangar. 8000 West 78th St. Suite 111, Edina, MN, Phone Number Once the aircraft hangar classification group is determined, an appropriate fire protection system must be chosen. NFPA Standards are reproduced with NFPA's permission by MADCAD.com. ©2021 American Fire Protection Group, Inc. All Rights Reserved. AFPG's Parent Company, APi Group, Makes Four Acquisitions Worth $300M, Simple and Worry-Free Life Safety Compliance. It is an Americanized version of the International Electrochemical Commission’s (IEC) Zone system which maintains the NEC wiring methods and protection techniques. Major changes in the 2016 edition of NFPA 409 impact the design of fire protection systems in new Group I and Group II aircraft hangars.. Revised based on sound engineering principles, the latest test data, and recent field experience, NFPA 409: Standard on Aircraft Hangars provides specifications for construction and fire protection of all types of aircraft hangars. In a design I have seen for an aircraft hangar, the floor recepts have been 400 Hz for maintenance and testing of … Most other standards follow the general format and content of NFPA 409, but often have slightly differing criteria. uninsulated. NFPA Standards are reproduced with NFPA's permission by MADCAD.com. Article 513 does not cover unfueled aircraft … NFPA 59A Standard for the Production, Storage, and Handling of Liquefied Natural Gas (LNG) says, “...the detection system shall be designed, installed and maintained in accordance with NFPA 72 National Fire Alarm Code.” NFPA 70 National Electrical Code has multiple references to NFPA 72. They can vary from simple "shade" structures that protect all or parts of the aircraft from the elements to complicated environmentally controlled maintenance facilities in which robots apply radar absorbing coatings. Our Location Article 513 does not cover unfueled aircraft … Guide to Hangar Classifications Provided by: www.TheCodeCoach.com *as defined in NFPA 409, Standard on Aircraft Hangars 2. NFPA 409 21 Group I Hangar Protection www.afpgusa.com OPTION 3 The hangar must contain a water sprinkler system (wet pipe or pre -action) and a high-expansion system to cover the entire hangar floor area. Article 513 of the 2017 National Electrical Code (NEC) provides the requirements for aircraft hangars. Current Edition: 2020 Article 513 covers any structure used for storing or servicing aircraft containing Class I (flammable) or Class II (combustible) liquids whose temperatures are above their flashpoints [513.1]. • NFPA 77, Recommended Practice on Static Electricity. For the purpose of this article, we will discuss NFPA 409 requirements. May 15, 2018. However, because NFPA 70 requires a maximum of 25 ohms resistance to ground for 3. 214-349-2221. Responses are provided by NFPA staff on an informal basis. These costs are related to damage to aircraft, foam resupply, removal of contaminant, cleanup and manpower, and the potential loss of future business. Mark Lamendola. The Armed Services have developed definitive designs for hangar f… Specific fire protection requirements are based on the hangar group as defined in NFPA 409. Work with a company has strong values and delivers exceptional results. Group I - II - III - IV Hangars are classified by groups: Groups I through III are classified by fire area and door height. 513 of the 2017 National Electrical Code. NFPA 70 NEC Zone Classification System. Draft Curtains are used in non-sprinklered, single-story buildings with high ceilings such as warehouses and manufacturing buildings. Group I - II - III - IV Hangars are classified by groups: Groups I through III are classified by fire area and door height. This recommended practice establishes minimum criteria to develop, implement, or evaluate a fire and emergency service organization (FESO) risk management program for effective risk identification, control, and financing. Aircraft hangars shall be provided with a fire suppression system designed in accordance with NFPA 409, based upon the classification for the hangar … © National Fire Protection Association (NFPA) 2021. NFPA 409 (Standard on Aircraft Hangars) prescribes the use of Draft Curtains, and the resulting minimum smoke compartment areas created. Highlights of Art. NFPA 409: Standard on Aircraft Hangars PDF Handbook, 2011 Edition. Aircraft Hangars. 1.1 Scope. Today’s commercial and military aircraft are extremely expensive pieces of equipment. National Electrical Code® Adopted in all 50 states, NFPA 70, National Electrical Code (NEC) is the benchmark for safe electrical design, installation, and inspection to protect people and property from electrical hazards. Based on sound engineering principles, test data, and field experience, NFPA 409: Standard on Aircraft Hangars provides specifications for construction and fire protection of all types of aircraft hangars. 1.1 Scope. 8000 West 78th St. Suite 111, Edina, MN. Guide to Aircraft Hangar Classifications 1. performed in a Group III hangar, the hangar would need to meet the fire protection requirements of a Group II aircraft hangar. Guide to Hangar Classifications Provided by: www.TheCodeCoach.com *as defined in NFPA 409, Standard on Aircraft Hangars 2. Sort: Displaying 1 - 2 of 2 results: NFPA 409: Standard on Aircraft Hangars. 1.1.1 This standard contains the minimum requirements for the proper construction of aircraft hangars and protection of aircraft hangars from fire. A static grounding system conforming to NFPA 77 is suitable for dissipation of any aircraft static electricity to ground. Access 300+ codes online including the most current requirements and previous editions, © National Fire Protection Association (NFPA) 2021, National Fire Codes® Subscription Service, The value of Standards Development Organizations, Alternative Fuel Vehicles Safety Training, Spanish-language seminars in Latin America and Spain, Safety in living and entertainment spaces. NFPA and the NFPA logos are trademarks and service marks of NFPA. NFPA® 409 Standard on Aircraft Hangars Handbook 2011 409 NFPA®, 1 Batterymarch Park, Quincy, MA 02169-7471, USA An International Codes and Standards Organization

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