By comparison, using the booth face area, instead of the area of its footprint, is based on moving a column of air the cross section of the extraction booth in a straight line horizontally at a capture velocity of 100 feet per minute, as recommended in the following tables copied from Ventilation Handbook, 17th Addition, page 4-5, Table 4-1. IET » Wiring and the regulations » Lighting in a paint spray booth. The three main topics covered in this section are powder coating systems, make-up air, and recirculated air. 1910.107(a)(4) Waterwash spray booth. Since fire is always a risk when running a spray booth, operators are subject to many of the regulations set forth by the NFPA, especially NFPA-33 National Fire Protection Association's Standard for Spray Application Using Flammable or Combustible Materials. Many spray equipnment companies regard a downdraft booth to be a large booth and they design for the 50 ft/min target. The high volumes of paint used in the automotive industry also drove the need for environmental regulation in the form of limits on air pollution. This air velocity is calculated with the spray paint booth empty and using a cross-sectional area of the air flow direction. Technical Requirements for Using Recirculation Paint Spray Booths Page By: John B. Holecek, P.E. 2 technology changes. Canadian buyers need to ensure the spray booth they purchase is from a paint booth manufacturer that understands that for customers in Canada, there are specific criteria that must be met compared to U.S. regulations. Spray booth. The old standard was 100 linear feet per minute (lfm), and this is still stated in the International Fire Code (IFC). For each of these, the minimum performance requirements are listed as well as general information on when each of these is required in spray booth design. A power-ventilated structure provided to enclose or accommodate a spraying operation to confine and limit the escape of spray, vapor, and residue, and to safely conduct or direct them to an exhaust system. Limiting air pollution from painting operations has often involved changes in coating chemistry. The company that has requested the work will be using their electrician to finally connect my install to their supply. OSHA 29.1910 and NFPA-33 have minimum requirements for air flow to decrease the concentration of flammable materials in a spray paint booth. The building company I work for are building a paint spray booth within another building and I will be installing around 36 flourescent light units. 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