IBC 2021 · Model

Chapter 5: General Building Heights And Areas

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

501.1 Scope The provisions of this chapter control the height and area of structures hereafter erected and additions to existing structures.

  1. 501.1Scope
  2. 502.1Address identification
  3. 503.1General
  4. 503.1.1Special industrial occupancies
  5. 503.1.2Buildings on same lot
  6. 503.1.3Type I construction
  7. 504.1General
  8. 504.1.1Unlimited area buildings
  9. 504.2Mixed occupancy
  10. 504.3Height in feet
  11. 504.4Number of stories
  12. 505.1General
  13. 505.2Mezzanines
  14. 505.2.1Area limitation
  15. 505.3Equipment platforms
  16. 506.1General
  17. 506.1.1Unlimited area buildings
  18. 506.2Allowable area determination
  19. 506.2.1Single-occupancy buildings
  20. 506.2.2Mixed-occupancy buildings
  21. 506.3Frontage increase
  22. 507.1General
  23. 507.1.1Accessory occupancies
  24. 507.2Measurement of open spaces
  25. 507.3Nonsprinklered, one-story buildings
  26. 507.4Sprinklered, one-story buildings
  27. 507.5Two-story buildings
  28. 509.1General
  29. 509.2Occupancy classification
  30. 509.3Area limitations
  31. 509.4Separation and protection
  32. 510.1General
  33. 510.2Horizontal building separation allowance
  34. 510.3Group S-2 enclosed parking garage with Group S-2 open parking garage above
  35. 510.4Parking beneath Group R
  36. 510.5Group R-1 and R-2 buildings of Type IIIA construction
  37. 510.6Group R-1 and R-2 buildings of Type IIA construction
  38. 510.7Open parking garage beneath Groups A, I, B, M and R

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