// CODE SNIPPET
403.9.4 Class 4 Air
Related Code Sections
403.9.4 Ventilation Air, Class 4 Air
Class 4 air shall not be recirculated or transferred to other spaces or be recirculated within the space of origin. [ASHRAE 62.1:184.108.40.206] ...
2018 Uniform Mechanical Code of Nevada > 4 Ventilation Air > 403.0 Ventilation Rates > 403.9 Air Classification and Recirculation > 403.9.4 Class 4 Air
203.0 Definitions, — A —
] Air, Class 4. Air with highly objectionable fumes or gases or with potentially dangerous particles, bioaerosols, or gases, at concentrations high ...
(4) Special Occupancies, Enclosed Spray Booths and Spray Rooms
915 mm (3 ft) of any opening shall be classified as Class I, Division 2; Class I, Zone 2; Class II, Division 2; or Zone 22 locations, whichever ...
National Electrical Code 2017 of Nevada > 5 Special Occupancies > 516 Spray Application, Dipping, Coating, and Printing Processes Using Flammable or Combustible Materials > 516.5 Area Classification > (D) Class I, Division 2; Class I, Zone 2; Class II, Division 2; or Zone 22 Locations > (4) Enclosed Spray Booths and Spray Rooms
C402.4.5 [CE] Commercial Energy Efficiency, Air Intakes, Exhaust Openings, Stairways and Shafts
Outdoor air supply and exhaust openings shall be provided with Class IA motorized dampers with a maximum leakage rate of 4 cfm/ft 2 (20.3 L/s • m 2 ...
Energy Conservation Code 2012 of Nevada > 4 [CE] Commercial Energy Efficiency > C402 Building Envelope Requirements > C402.4 Air Leakage (Mandatory) > C402.4.5 Air Intakes, Exhaust Openings, Stairways and Shafts