IMC 2021 · Model

Chapter 5: Exhaust Systems

51 sections in this chapter of the IMC 2021 model text — not Model's amended edition.

501.1 Scope This chapter shall govern the design, construction and installation of mechanical exhaust systems, including exhaust systems serving clothes dryers and cooking appliances; hazardous exhaust systems; dust, stock and refuse conveyor systems; subslab soil exhaust systems; smoke control systems; energy recovery ventilation systems and other systems specified in Section 502.

  1. 501.1Scope
  2. 501.2Independent system required
  3. 501.3Exhaust discharge
  4. 501.3.1Location of exhaust outlets
  5. 501.4Pressure equalization
  6. 502.1General
  7. 502.1.1Exhaust location
  8. 502.1.2Fuel-dispensing areas
  9. 502.1.3Equipment, appliance and service rooms
  10. 502.2Aircraft fueling and defueling
  11. 502.3Battery-charging areas for powered industrial trucks and equipment
  12. 502.4Stationary storage battery systems
  13. 502.5Ventilation of battery systems in cabinets
  14. 502.6Dry cleaning plants
  15. 502.7Application of flammable finishes
  16. 502.8Hazardous materials—general requirements
  17. 503.1General
  18. 503.2Fans
  19. 503.3Equipment and appliance identification plate
  20. 503.4Corrosion-resistant fans
  21. 504.1Installation
  22. 504.2Exhaust penetrations
  23. 504.3Cleanout
  24. 504.4Exhaust installation
  25. 504.4.1Termination location
  26. 504.5Dryer exhaust duct power ventilators
  27. 504.6Booster fans prohibited
  28. 505.1General
  29. 505.2Domestic cooking exhaust
  30. 505.3Exhaust ducts
  31. 505.4Makeup air required
  32. 506.1General
  33. 506.2Corrosion protection
  34. 506.3Ducts serving Type I hoods
  35. 506.3.1Duct materials
  36. 506.3.2Joints, seams and penetrations of grease ducts
  37. 506.4Ducts serving Type II hoods
  38. 506.5Exhaust equipment
  39. 507.1General
  40. 507.1.1Operation
  41. 507.2Type I hoods
  42. 507.2.1Type I exhaust flow rate label
  43. 507.3Type II hoods
  44. 507.4Hood size and location
  45. 508.1Makeup air
  46. 508.2Compensating hoods
  47. 509.1Where required
  48. 510.1General
  49. 510.2Where required
  50. 511.1Dust, stock and refuse conveying systems
  51. 513.1Scope and purpose

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