aircraft paint hangar requirements

Many of the articles I write for ELECTRICAL CONTRACTOR originate as questions from people who read my columns or attend my workshops. Other uses within an aircraft hangar shall be protected in accordance with other applicable NFPA Standards.

The cause of activation remains undetermined. ArmorPoxy offers a variety of options to meet your airplane hangar flooring needs. 5 Heating is switched on once the doors are closed. Occupational Safety and Health Administration, Severe Storm and Flood Recovery Assistance, DIRECTOR, FEDERAL AGENCY PROGRAMS, OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION. Enclosure (3) defines the operations performed in each of the various level hangars. This accommodation allows the overall needed air … Requirements Determination. Could you direct us to thier point of contact? To add to the urgency, NAVFAC is also in the process of designing several new aircraft hangars. Paint hangars must be compliant with NFPA 33, NFPA 409, OSHA 1910.94 and OSHA 1910.107. The movement of such a large vehicle is a big challenge for the floor due to the extreme mechanical loads, even ‘light w… This is in response to your letter of March 14 requesting an interpretation of the Occupational Safety and Health Administration (OSHA) standard for the airflow rate required for a spray painting area. Paint Hangar for Wide-Body Aircraft To bolster its growth, SATYS (formerly STTS) invested in high-performance industrial facilities adapted to its requirements: two Airbus A330 and A350 paint hangars with access to planes and ground equipment, offices and, … There is no specific flow rate mentioned in either standard for spray areas, OSHA uses National Fire Protection Association Publication, NFPA 33, 1995 edition, (copy enclosed) Spray Application Using Flammable or Combustible Materials, paragraph 5-2, which requires that "each spray area be provided with mechanical ventilation that is capable of confining and removing vapors and mists to a safe location and is capable of confining and controlling combustible residues, dusts, and deposits. Over-Complication of Facility Requirements..... 17 D. MINIMUM REQUIREMENTS FOR SPECIFIC CORROSION CONTROL FACILITIES ... Aircraft Corrosion Control Paint Hangar ..... 17 3. Deputy Assistant Secretary of the Navy The use of a three-stage filtration system is mandatory and the filters must be in accordance with EPA Method 319. Surrounding working airfields and runways experience a large volume of aircraft traffic with large, low-to-the-ground engines with air intakes powerful enough to suck concrete and other aggregate from the ground and int… This depends on outside air temperature. As such, the spray areas must comply with the requirements of NFPA 33, 1995 edition for "Spray Application Using Flammable or Combustible Materials," and with subpart Z of 29 CFR 1910 for hazardous substances. Based on our phone conversation today, I understand that you are also working on this issue with the US Air Force. Spray areas appear to be covered under 29 CFR 1910.107, which does not specify a minimum design airflow rate. It is the top coat that gives a plane its shiny appearance. Full opening of the hangar, for instance the approximate side of the hangar door opening plus about 5 feet on the top and sides of the hangar reserved for maneuverability? Numerous technological advancements, shortened project schedule requirements, and increased regulatory oversight have made the management of a success-ful hangar project much more demanding. The airflow rate required for a spray painting area. 1.1.2 This standard applies only to buildings or structures used for aircraft storage, maintenance, or related activities. OSHA requirements are set by statute, standards and regulations. What airflow rate criteria is required for each of the five levels? Note that our enforcement guidance may be affected by changes to OSHA rules. Enclosure (4) reiterates our understanding of the pertinent regulations. Paint spray criteria in the ACHIH Industrial Ventilation Manual permits airflow in large spaces as low as 50 cubic feet per minute per square foot of cross-sectional area. Reducing the flow rate from 100 cubic feet per minute per square foot cross-sectional area will provide a significant reduction in equipment first costs and annual operating costs. Our contacts are Kappy Paulson and Trinh Do (805)982-4984. hangars of today are more complicated and costly than ever before. 3. 412.6.2 Construction The aircraft paint hangar shall be of … Both the NFPA 33 and the ANSI Z9.3 consensus standards require a sufficient ventilation rate to prevent vapor build-up by requiring airflow to keep the vapor less than 25% of the LEL. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. One maintenance space may be provided in a hangar sized for the largest aircraft assigned to the base. Grassy areas surrounding the hangar mowed and trimmed. (2) What is the minimum required maintained ventilation velocity? Dear Ms. Munsell: 4. So, the roof framing system selected for the hangar design mus… We are building several new aircraft corrosion-control hangars throughout the United States and need a standard design criteria for the ventilation systems. ... certain federal requirements, such as exclusive rights and civil rights may be applicable. Hangars support aircraft maintenance, repair, and inspection activities that are most efficiently done under complete cover. Aircraft maintenance … The primary purpose of an aircraft hangar is aircraft storage. Foreign object debris (FOD) has a tendency to become foreign object damage if not properly controlled. This article is based on a question from an electrical contractor friend who is doing an electrical installation in an extremely large hangar being used for painting aircraft. Our position is -Aircraft hangars should not be designed for 100 cubic feet per minute per square foot of cross-sectional area due to the size of the space and the dilution effect. Occupational safety standards, such as OSHA and AFOSH, provide some additional insight into floor markings, but do not provide complete, clear requirements. Also, from time to time we update our guidance in response to new information. Our questions are: (1) What OSHA standard applies for spray painting in a corrosion control hangar, 29 CFR 1910.94 or 29 CFR 1910.107? What is your definition of a production spray finishing operation? This is to bring the aircraft and hangar up to the temperature required (minimum 18 degrees Celsius). performed in a Group III hangar, the hangar would need to meet the fire protection requirements of a Group II aircraft hangar. Paint Hangar for Wide-Body Aircraft. To bolster its growth, SATYS (formerly STTS) invested in high-performance industrial facilities adapted to its requirements: two Airbus A330 and A350 paint hangars with access to planes and ground equipment, offices and, in the central area, an extraction system … Note that our enforcement guidance may be affected by changes to OSHA rules. The employees must also be fully trained in the hazards to which they are exposed and in the emergency action and fire protection plans required by 29 CFR 1910.38 [and 1910.39], in personal protective equipment as required in 29 CFR 1910 Subpart I and also in the health requirements listed in 29 CFR 1910 Subpart Z. If a hangar is serving its primary purpose - the storage of aircraft - then storage of non-aeronautical items in the hangar does not violate the airport sponsor's federal obligations. This letter constitutes OSHA's interpretation of the requirements discussed. These sections are currently under revision and will be combined into one area of 29 CFR 1910.107. Aircraft paint booths must be designed to accommodate the unique shape and sheer size of aircraft in order to reduce the painter’s exposure to the hazards of the process, lower energy costs, improve paint finish quality and increase production. Should you require further assistance in this or any other matter, feel free to contact John Plummer or Ron Cain of my staff at 202-693-2122. We consider the painting area a spray area rather than a spray room or booth. This means that the airflow may be variable depending on the job being performed. The single most important factor in determining the hangar design and layout is the hangar structural roof-framing system. Sprinklers and low expansion foam 3. The Aircraft Hangar Development Guide is designed to help you and your airport owner Aircraft hangars present a range of human factors issues. The floor in an aircraft hangar is subjected to various factors that can damage the concrete substrate if there is no suitable protective coating. Thank you for continuing to consider our concern. Issues that may come into play are hazardous fluids, fire safety, slippery surfaces or falling objects. Revolution in paint hangars hangar designers lowered the interior ceiling and created a nose pocket to reduce interior volume; that Satys hangar also creates a tail pocket by using Megadoors. A fleet of five Navy attack F/A-18s is undergoing maintenance and modifications in a hangar in north Florida. In fact, a well-executed and successful hangar project can be the key to a financially secure GA airport. Aircraft in Hangar: General Maintenance: 1. also crucial to the efficient application of paint. • Hangars housing unfueled aircraft – Sprinklers only – Designed for 0.17 gpm/ ft 2over 5000 ft Fire Protection • Group I w/fueled aircraft – 3 Options: 1. Aircraft hangars are as ubiquitous to the aviation community as airplanes and aircraft themselves; if there are aircraft, it is reasonable to expect a hangar is close by. rooms, aircraft weighing and other maintenance and inspection activities. Scratch that. ELSIE L. MUNSELL Should you have further questions, please contact [the Office of General Industry Enforcement at (202) 693-1850]. 1.1 Scope. Full opening of the hangar including open space for roof trusses. Sincerely, It is assumed a package deal, and for good reason: what would justify the expense of an aircraft without assuring its most fundamental protection from the elements? More than 10 code and standards organizations provide regulatory and standards guidance that governs the design of equipment for painting operations in aircraft paint hangars. 1000 Navy Pentagon the safety of the aircraft and related personnel must be ensured. They are generally quite large and are built so that most of the floor area is unobstructed by structural support members. OSHA considers the Department of Defense corrosion control hangars described in the NFESC memo dated May 13, 1999 as "spray areas." At a cost that was initially estimated at more than $1 million, this will be classified as a “Class A” mishap by the Navy. We consider the painting area a spray area rather than a spray room or booth. We are having difficulties applying the interpretation to our criteria. Deputy Assistant Secretary of the Navy How do you characterize the five operational levels of hangars disucssed in Enclosure 3? The ACGIH guidelines and consensus standards criteria are typically recommended when there is no OSHA criteria addressing a particular problem. 6 Paint materials and chemical strippers to be used during operations are also Without warning, the airplane hangar fire suppression system is activatedand discharges its high-expansion fire-retardant foam onto the aircraft below. Aircraft paint hangars shall comply with the applicable requirements of this code and the International Fire Code for such occupancy. For example, a Boeing 737-800 aircraft, used by airlines such as Ryanair, weighs around 40 tons on its own. In Industrial Ventilation, A Manual of Recommended Practice, 22nd edition the American Conference of Governmental Industrial Hygienists (ACGIH) allows the designer to use a design flow rate of 75 cfm/ft(2) for very large, deep booths, see VS-75-01. The hangar needs to have the temperature and environmental conditions for the mechanics to safely and comfortably complete the mechanics service business throughout the year. FOD will lead to foreign object damage if the accumulation of small rocks and other debris is not meticulously guarded against throughout every phase of the construction process. aircraft paint booth filtration Aerospace National Emission Standards for Hazardous Air Pollutants (NESHAP) requires the use of high efficiency filters to remove 95 percent of particles over 2 micron in size under certain conditions. The unique vertical lifting design of the Megadoors allowed the engineers to create a hangar door that is shaped to the aircraft. Combine with the hangar is responsible if the hangar safety is the checklist. 1.2. Also, from time to time we update our guidance in response to new information. The handbook defines engineering design criteria for use by all components of the Department of Defense. Aircraft hanger safety involves a wide range of issues depending on the work that is being accomplished on the aircraft parked in the hanger. Sprinklers and high expansion foam • Group II w/fueled aircraft – 4 Options: – Above and 4th option of closed head foam Our paint hangars offer capacity to accommodate government, military (all branches) and commercial aircraft specifications. This is particularly true for the portion of the aircraft farthest from the exhaust filter bank.

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