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Thus the risk of fire is minimalized. info on Amazon. Anyone with some insight on this? Q. I have since obtained NFPA 33 (2000 edition), as a responder suggested. I have a client with a fully enclosed powder coating booth, connected to the buildings fire sprinkler system (wet) with expired service. Fire Protection and Interlocks: 32. My experience has been with water. Sprayed metal parts or lithograph-coated metals do not generally contain sufficient combustibles to require fire protection in the oven workspace; however, fire protection is needed for electrical … "button": { I have never seen or heard of IR/UV detection equipment within an open faced-manual system. These variables plug into a calculation to determine Maximum Concentration. After purchasing compressed air hose, have maintenance check to ensure there is an internal ground wire. - 25 years field experience with variety of insurance companies. In addition, lighting and electrical connections must meet NFPA 70 [affil. Explosion is a concern with enclosed powder recovery systems and associated ductworks. Some powder booths have a three stage filter system allowing the air to be returned to the shop. elements_selector: "iframe" } The system is directly tied into the buildings fire sprinkler system and was serviced 5 years ago. A. A dust explosion may occur when both: 3 (i) the concentration of dust in the air is between the Lower Explosive Limit (LEL) and Upper Explosion Limit (UEL). We are presently in the start up phase of a custom powder coating shop. affil. ©1995-2020 finishing.com, Inc., Pine Beach, NJ   -   About finishing.com   -  Privacy Policy Because of the enclosed area and 'plastic' nature of dust epoxy for the powder coating - a simple 'water spray' type of fire protection system is recommended. Cheapest system would be a dry chemical BC/ABC system. It may be the frequent change in NFPA requirements. Although this operation does not have the flammable vapors associated with VOC applications, electrical equipment inside the booth should be 'dust tight'. Ron Joseph, Organic Coatings Editor, has provided some information for ensuring fire protection in powder coating booths. Fire protection is required in both manual and auto gun booths. It is apparent that Fire Suppression is required in the booth. Your best bet is to ask some of the paint booth manufacturers if they have any customers that have needed to install their equipment in this fashion, then contact some insurance companies to see why. What are the requirements for automatic sprinkler system protection in powder coating applications? Wet pipe sprinkler protection within a powder booth and adjacent powder recovery enclosure should be at minimum inspected annually as part of base building sprinkler system annual test, for basic exercising of sectional shut off valve(s), any physical damage to piping, pipe hangers, changes to the booth impairing sprinkler protection, etc. Fire protection should be provided for dipped or flow-coated metal in the part of the oven where dripping occurs and throughout some ovens, such as those for baking expanded-metal lath. And does having a Powder Coating Operation require us to have automatic Fire Protection inside and outside the booth as well? We are getting ready to install a manual gun powder coating system. Some insurance companies that are not experienced in these type systems can be difficult and expensive to deal with when it comes to safety issues. How Google uses data when you visit this site. new LazyLoad(); Many insurance companies are still not up to speed on powder coating and its characteristics. The CENELEC standard EN50177 states that type B and C guns shall have a local. - Make up air for the spray booth and oven. link to spec at Techstreet]. Sprinklers are protected from residue, means of protection is noted on the plans, 2404.5.2. With regards to sprinklers in OVENS. Why waste warm or conditioned air to the outside environment? My background - P.E. Also, make sure that the compressed air blow-off hoses are grounded. We have installed a Chemical Fire Suppression System, and also have a 8 x 8 x 10 oven. This is one the selling points when purchasing this type equipment. All of our paint booths comply with all OSHA and NFPA 33 guidelines and many can be ETL certified. The risks in a powder coating booth electrostatically charged dust particles. A. I had one insurance company ask me to install a water suppression system within my oven. It is all too common these days to see companies install equipment and neglect to perform a thorough search of all code requirements prior to installation, and the end result is, as you have found, a delay in start-up and additional cost to bring the facility and equipment to code requirements. See the new NFPA 33 Bulletin. Q. A. I tend to follow the NFPA recommendations and OSHA requirements. This danger is present in spray booths for the application of organic liquid and powder coating materials. and Only your local fire department can answer that. We have come upon some issues with the codes and compliance board and would like you input. Consult'g, Train'g, SoftwareEnvironmental Compliance. Although the booth and equipment manufacturers design their systems to the highest standards for safety there is always a risk that a spark will occur in a powder coating booth. In doing some research, OSHA Regulation 1910.107(h)(12) states "All areas used for spraying, including the interior of the booth, shall be protected by automatic sprinklers where this protection is available. We are moving our powder coating business and are having trouble with our code enforcement inspector in getting around our powder coat booth having air recirculate into the building along with several other questions. You would still need to comply with any issues regarding electrical and lighting construction of the booth to eliminate ignition sources for the powder. One last thought: Since the booth is required to be ventilated, you will need to investigate the impacts on your existing air permit, provided you have one, or you will need to obtain one if you are above regulated de minimus levels. Another code that may be of interest is NFPA 101 [affil. (The bag will burn off easily in the event of fire) Housekeeping is my biggest complaint with this type of operation. A. IR / UV detection is not required in an open face manual booth with a gun trigger (dead man switch). A discussion started in 2002 but continuing through 2017. A powder coat fire is a "Bravo" type fire. Where this protection is not available, other approved automatic extinguishing equipment shall be provided. Chapter 9 – Protection, proved to be confusing. Booths, exhaust ducts, and both sides of dry filters are protected by a fire-extinguishing system, 2404.4. Fire Does Happen in Powder Coating Booths . RSBP's special FIREPRO system for the protection of spray booths provides a complex solution consisting of services and products related to fire protection, delivery, up to the complete installation and maintenance. As stated earlier, the installation of your booth is required to meet the requirements of NFPA 33 [affil. I thought "B" fires were liquid or gas. That spark can ignite the powder and the fire will rapidly spread into other areas. My client is telling me it does not need to be maintained as long as the buildings system is maintained, I am not buying it. Q. Much thanks! You most likely will have to install some expensive installation. We have a 8 x 8 x 10 open spray booth that exhausts into the shop air after 3 stages of filtration.

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