Browse OBC — Part 11 — Renovation

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Content on this site is based on the Ontario Building Code, Ontario Regulation 5/25, as published on e-Laws and last updated January 16, 2025. This site includes excerpts from Division B — Parts 1, 3–12 only. Division A, Division C, and the Appendices are not included.

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11.1.1.1 — Scope
11.1.1.2 — Definitions
11.1.2.1 — Extension, Material Alteration or Repair
11.2.1.1 — Construction Index and Hazard Index
11.2.1.2 — Multiple Occupancies
11.2.1.3 — Prohibition of Occupancy Combinations
11.3.1.1 — Material Alteration or Repair of a Building System
11.3.1.2 — New Building Systems and Extension of Existing Building Systems
11.3.2.1 — Portion of Extended Buildings
11.3.3.1 — Basic Renovation
11.3.3.2 — Extensive Renovation
11.3.4.1 — Extension, Material Alteration or Repair
11.3.5.1 — Existing Septic Tanks
11.3.5.2 — Vertical Separations and Existing Sewage Systems
11.4.1.1 — Performance Level
11.4.2.1 — Structural
11.4.2.2 — Increase in Occupant Load
11.4.2.3 — Change of Major Occupancy
11.4.2.4 — Plumbing
11.4.2.5 — Sewage Systems
11.4.2.6 — Extension of Buildings of Combustible Construction
11.4.3.1 — General
11.4.3.2 — Structural
11.4.3.3 — Increase in Occupant Load
11.4.3.4 — Change in Major Occupancy
11.4.3.5 — Plumbing
11.4.3.6 — Sewage Systems
11.4.3.7 — Extension of Buildings of Combustible Construction
11.5.1.1 — Compliance Alternatives