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Division 21

Article 5

Los Angeles Building Code — LAMC Chapter IX · 2026-08 edition · updated 2026-09-09 · Los Angeles

MECHANICAL CODE

Division

(Amended by Ord. No. 182,848, Eff. 1/3/14.)

1 Administration 2 Definitions 3 General Requirements 4 Ventilation Air 5 Exhaust Systems 6 Duct Systems 7 Combustion Air 8 Chimneys and Vents 9 Installation of Specific Appliances

10 Boilers and Pressure Vessels

11 Refrigeration 12 Hydronics 13 Fuel Gas Piping

14 Process Piping

15 Solar Energy Systems

16 Stationary Power Plants

17 Referenced Standards

18 Appendices

DIVISION 1

ADMINISTRATION

(Amended by Ord. No. 182,848, Eff. 1/3/14.) Section Part I – General 95.100 Basic Provisions. 95.101 Title, Scope, and General. 95.102 Application to Existing Mechanical Systems. 95.103 Alternate Materials and Methods of Construction. 95.104 Modifications. 95.105 Testing. Part II – Organization and Enforcement 95.106 Powers and Duties of the Department. 95.107 Unsafe Equipment. 95.108 Appeals. 95.109 Prohibited Acts. Part III – Permits and Inspections 95.111 Permits. 95.112 Application for Permit. 95.113 Permit Issuance. 95.114 Permit Fees. 95.115 Inspections. 95.116 Connection Approval. 95.117 Unconstitutional. 95.118 Validity. 95.119 Registration.

PART I

GENERAL

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▸Contents — Los Angeles Building Code — LAMC Chapter IX
Los Angeles Building Code — LAMC Chapter IX
  1. Chapter IX
  2. Chapter IX — BUILDING REGULATIONS
  3. Division 1
  4. Division 2
  5. Division 3
  6. Division 4
  7. Division 5
  8. Division 6
  9. Division 7
  10. Division 8
  11. Division 9
  12. Division 10
  13. Division 11
  14. Division 12
  15. Division 13
  16. Division 14
  17. Division 15
  18. Division 16
  19. Division 17
  20. Division 18
  21. Division 19
  22. Division 20
  23. Division 21
  24. Division 22
  25. Division 23
  26. Division 24
  27. Division 25
  28. Division 26
  29. Division 27
  30. Division 28
  31. Division 29
  32. Division 30
  33. Division 31
  34. Division 32
  35. Division 33
  36. Division 34
  37. Division 35
  38. Division 61
  39. Division 62
  40. Division 63
  41. Division 67
  42. Division 70
  43. Division 71
  44. Division 72
  45. Division 82
  46. Division 83
  47. Division 85
  48. Division 88
  49. Division 89
  50. Division 90
  51. Division 91
  52. Division 92
  53. Division 93
  54. Division 94
  55. Division 95
  56. Division 96
  57. Division 5 — REGISTRATION
  58. Division 16A
  59. Division 17
  60. Division 18
  61. Division 19
  62. Division 20
  63. ▸Division 21
    Overview
    1. § 94.2100
    2. ▸Article 5
      Overview
      1. SEC. 95.100. BASIC PROVISIONS.
      2. SEC. 95.101. TITLE, SCOPE, AND GENERAL.
      3. SEC. 95.102. APPLICATION TO EXISTING MECHANICAL SYSTEMS.
      4. SEC. 95.103. ALTERNATE MATERIALS AND METHODS OF CONSTRUCTION E…
      5. SEC. 95.104. MODIFICATIONS.
      6. SEC. 95.105. TESTING.
      7. SEC. 95.106. POWERS AND DUTIES OF THE DEPARTMENT.
      8. SEC. 95.108. APPEALS.
    3. Part III
  64. Division 17
  65. Division 18
  66. Division C
  67. Division D

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