IPC 2021 · California

Chapter 11: Storm Drainage

23 sections in this chapter of the IPC 2021 model text — not California's amended edition.

1101.1 Scope The provisions of this chapter shall govern the materials, design, construction and installation of storm drainage.

  1. 1101.1Scope
  2. 1101.2Disposal
  3. 1101.3Prohibited drainage
  4. 1101.4Tests
  5. 1101.5Change in size
  6. 1102.1General
  7. 1102.2Inside storm drainage conductors
  8. 1102.3Underground building storm drain pipe
  9. 1102.4Building storm sewer pipe
  10. 1103.1Main trap
  11. 1103.2Material
  12. 1103.3Size
  13. 1104.1Prohibited use
  14. 1104.2Floor drains
  15. 1105.1General
  16. 1105.2Roof drain flow rate
  17. 1106.1General
  18. 1106.2Size of storm drain piping
  19. 1106.3Vertical leader sizing
  20. 1106.6Size of roof gutters
  21. 1107.1General
  22. 1108.1Secondary (emergency overflow) drains or scuppers
  23. 1108.2Separate systems required

The full text is for BuildSpec members

Read the complete section, search across every adopted code, run the calculators and ask Copilot — free for 14 days, no card required.

  • Full text of every section in this chapter
  • Plain-English summaries and cross-references
  • Compare this chapter across jurisdictions
  • Ask Code AI about any section, with citations
Start your free 14-day trialSign in →

Our previews are real data — live counts, no placeholders. We publish our error log →

IPC 2021 Chapter 11: Storm Drainage — California | BuildSpec