Section 7 of the Ontario Building Code

• 7.1.1.1. - Scope
• 7.1.2.1. - Application
• 7.1.3.1. - Definitions
• 7.1.4.1. - Facilities Required
• 7.1.4.2. - Floor Drains
• 7.1.5.1. - Sanitary Drainage Systems
• 7.1.5.2. - Storm Drainage Systems
• 7.1.5.3. - Water Distribution Systems
• 7.1.5.4. - Separate Services
• 7.1.5.5. - Private Sewers and Private Water Supply
• 7.1.6.1. - Lighting and Ventilation Requirements
• 7.1.6.2. - Accessibility
• 7.1.7.1. - Structural Movement
• 7.2.1.1. - Exposure of Materials
• 7.2.1.2. - Restrictions on Re-Use
• 7.2.1.3. - Identification and Certification
• 7.2.1.4. - Pipe or Piping
• 7.2.1.5. - Withstanding Pressure
• 7.2.2.1. - Surface Requirements
• 7.2.2.2. - Conformance to Standards
• 7.2.2.3. - Showers
• 7.2.2.4. - Concealed Overflows
• 7.2.2.5. - Water Closets in Public Washrooms
• 7.2.2.6. - Lavatories
• 7.2.2.7. - Trough Urinals
• 7.2.3.1. - Traps
• 7.2.3.2. - Interceptors
• 7.2.3.3. - Tubular Traps
• 7.2.4.1. - T and Cross Fittings
• 7.2.4.2. - Sanitary T Fittings
• 7.2.4.3. - 90° Elbows
• 7.2.4.4. - Fittings Restricted in Use
• 7.2.4.5. - Assembled Pipe or Tubing
• 7.2.5.1. - Asbestos-Cement Drainage Pipe and Fittings
• 7.2.5.2. - Reserved
• 7.2.5.3. - Concrete Pipe and Fittings
• 7.2.5.4. - Vitrified Clay Pipe and Fittings
• 7.2.5.5. - Polyethylene Pipe and Fittings
• 7.2.5.6. - Polyethylene Pipe Used Underground
• 7.2.5.7. - Crosslinked Polyethylene Pipe and Fittings
• 7.2.5.8. - PVC Pipe and Fittings
• 7.2.5.9. - CPVC Pipe, Fittings and Solvent Cements
• 7.2.5.10. - Plastic Pipe, Fittings and Solvent Cement Used Underground
• 7.2.5.11. - Transition Solvent Cement
• 7.2.5.12. - Plastic Pipe, Fittings and Solvent Cement Used in Buildings
• 7.2.5.13. - Polyethylene/Aluminum/Polyethylene Composite Pipe and Fittings
• 7.2.5.14. - Crosslinked Polyethylene/Aluminum/Polyethylene Composite Pipe and Fittings
• 7.2.5.15. - Polypropylene Pipe and Fittings
• 7.2.6.1. - Cast Iron Drainage and Vent Pipe and Fittings
• 7.2.6.2. - Cast Iron Fittings for Asbestos-Cement Drainage Pipe
• 7.2.6.3. - Threaded Cast Iron Drainage Fittings
• 7.2.6.4. - Cast Iron Water Pipe
• 7.2.6.5. - Screwed Cast Iron Water Fittings
• 7.2.6.6. - Screwed Malleable Iron Water Fittings
• 7.2.6.7. - Steel Pipe
• 7.2.6.8. - Corrugated Steel Pipe and Couplings
• 7.2.6.9. - Sheet Metal Leaders
• 7.2.7.1. - Copper and Brass Pipe
• 7.2.7.2. - Brass or Bronze Pipe Flanges and Flanged Fittings
• 7.2.7.3. - Brass or Bronze Threaded Water Fittings
• 7.2.7.4. - Copper Tube
• 7.2.7.5. - Solder-Joint Drainage Fittings
• 7.2.7.6. - Solder-Joint Water Fittings
• 7.2.7.7. - Flared-Joint Fittings for Copper Tube Water Systems
• 7.2.7.8. - Lead Waste Pipe and Fittings
• 7.2.8.1. - Pipe and Fittings
• 7.2.9.1. - Cement-Mortar
• 7.2.9.2. - Solder and Fluxes
• 7.2.10.1. - Floor Flanges
• 7.2.10.2. - Screws, Bolts, Nuts and Washers
• 7.2.10.3. - Cleanout Fittings
• 7.2.10.4. - Mechanical Couplings
• 7.2.10.5. - Saddle Hubs
• 7.2.10.6. - Supply and Waste Fittings
• 7.2.10.7. - Linings and Coatings of Domestic Water Tanks
• 7.2.10.8. - Direct Flush Valves
• 7.2.10.9. - Drinking Fountain Bubblers
• 7.2.10.10. - Back-Siphonage Preventers and Backflow Preventers
• 7.2.10.11. - Relief Valves
• 7.2.10.12. - Reducing Valves
• 7.2.10.13. - Solar Domestic Hot Water
• 7.2.10.14. - Vent Pipe Flashing
• 7.2.10.15. - Water Hammer Arresters
• 7.2.10.16. - Air Admittance Valves
• 7.2.10.17. - Drinking Water Treatment Systems
• 7.2.11.1. - Design, Construction, Installation and Testing
• 7.2.11.2. - Certification or Conformance
• 7.2.11.3. - Tracer Wire
• 7.2.11.4. - Required Check Valve
• 7.3.1.1. - Application
• 7.3.2.1. - Caulked Lead Drainage Joints
• 7.3.2.2. - Wiped Joints
• 7.3.2.3. - Screwed Joints
• 7.3.2.4. - Solder Joints
• 7.3.2.5. - Flared Joints
• 7.3.2.6. - Mechanical Joints
• 7.3.2.7. - Cold-Caulked Joints
• 7.3.3.1. - Drilled and Tapped Joints
• 7.3.3.2. - Reserved
• 7.3.3.3. - Prohibition of Welding of Pipes and Fittings
• 7.3.3.4. - Unions and Slip Joints
• 7.3.3.5. - Increaser or Reducer
• 7.3.3.6. - Connection of Dissimilar Materials
• 7.3.3.7. - Connection of Roof Drain to Leader
• 7.3.3.8. - Connection of Floor Outlet Fixtures
• 7.3.3.9. - Expansion and Contraction
• 7.3.3.10. - Copper Tube
• 7.3.3.11. - Indirect Connections
• 7.3.3.12. - Copper Joints Used Underground
• 7.3.4.1. - Capability of Support
• 7.3.4.2. - Independence of Support
• 7.3.4.3. - Insulation of Support
• 7.3.4.4. - Support for Vertical Piping
• 7.3.4.5. - Support for Horizontal Piping
• 7.3.4.6. - Support for Underground Horizontal Piping
• 7.3.4.7. - Support for Vent Pipe Above a Roof
• 7.3.4.8. - Compression Fittings
• 7.3.4.9. - Thrust Restraint of Water Service Pipes
• 7.3.5.1. - Backfill of Pipe Trench
• 7.3.5.2. - Protection of Non-Metallic Pipe
• 7.3.5.3. - Isolation from Loads
• 7.3.5.4. - Protection from Frost
• 7.3.5.5. - Protection from Mechanical Damage
• 7.3.5.6. - Protection from Condensation
• 7.3.5.7. - Spatial Separation
• 7.3.6.1. - Tests and Inspection of Drainage or Venting Systems
• 7.3.6.2. - Tests of Pipes in Drainage Systems
• 7.3.6.3. - Tests of Venting Systems
• 7.3.6.4. - Water Tests in Drain, Waste and Vent Systems
• 7.3.6.5. - Air Tests
• 7.3.6.6. - Final Tests
• 7.3.6.7. - Ball Tests
• 7.3.7.1. - Application of Tests
• 7.3.7.2. - Tests of Potable Water Systems
• 7.3.7.3. - Water Tests
• 7.4.1.1. - Application of Drainage Systems
• 7.4.2.1. - Connections to Sanitary Drainage Systems
• 7.4.2.2. - Connection of Overflows from Rainwater Tanks
• 7.4.2.3. - Direct Connections
• 7.4.3.1. - Plumbing Fixtures
• 7.4.3.2. - Restricted Locations of Indirect Connections and Traps
• 7.4.3.3. - Equipment Restrictions Upstream of Interceptors
• 7.4.3.4. - Fixtures Located in Chemical Storage Locations
• 7.4.3.5. - Macerating Toilet System
• 7.4.3.6. - Drains Serving Elevator Pits
• 7.4.4.1. - Sewage Treatment
• 7.4.4.2. - Protection for Drainage System
• 7.4.4.3. - Interceptors
• 7.4.4.4. - Neutralizing and Dilution Tanks
• 7.4.5.1. - Traps for Sanitary Drainage Systems
• 7.4.5.2. - Traps for Storm Drainage Systems
• 7.4.5.3. - Connection of Subsoil Drainage Pipe to a Sanitary Drainage System
• 7.4.5.4. - Location and Cleanout for Building Traps
• 7.4.5.5. - Trap Seals
• 7.4.6.1. - Separate Systems
• 7.4.6.2. - Location of Soil or Waste Pipes
• 7.4.6.3. - Sumps or Tanks
• 7.4.6.4. - Protection from Backflow
• 7.4.6.5. - Mobile Home Sewer Service
• 7.4.6.6. - Building Drain Ends
• 7.4.7.1. - Cleanouts for Drainage Systems
• 7.4.7.2. - Size and Spacing of Cleanouts
• 7.4.7.3. - Manholes
• 7.4.7.4. - Location of Cleanouts
• 7.4.8.1. - Minimum Slope
• 7.4.8.2. - Length of Fixture Outlet Pipes
• 7.4.9.1. - No Reduction in Size
• 7.4.9.2. - Serving Water Closets
• 7.4.9.3. - Size of Fixture Outlet Pipes
• 7.4.9.4. - Minimum Size of Building Drains and Sewers
• 7.4.10.1. - Total Load on a Pipe
• 7.4.10.2. - Hydraulic Loads for Fixtures
• 7.4.10.3. - Hydraulic Loads from Fixtures with Continuous or Semi-continuous Flow
• 7.4.10.4. - Hydraulic Loads from Roofs or Paved Surfaces
• 7.4.10.5. - Conversion of Fixture Units to Litres and Gal/min
• 7.4.10.6. - Hydraulic Loads to Soil or Waste Pipes
• 7.4.10.7. - Hydraulic Loads on Branches
• 7.4.10.8. - Hydraulic Loads on Sanitary Horizontal Drain
• 7.4.10.9. - Hydraulic Loads on Horizontal Storm Drains
• 7.4.10.10. - Rain Leaders
• 7.5.1.1. - Venting for Traps
• 7.5.2.1. - Wet Venting
• 7.5.3.1. - Circuit Venting
• 7.5.4.1. - Stack Vents
• 7.5.4.2. - Vent Stacks
• 7.5.4.3. - Yoke Vents
• 7.5.4.4. - Offset Relief Vents
• 7.5.4.5. - Fixtures Draining into Vent Pipes
• 7.5.5.1. - Venting of Sanitary Sewage Sumps
• 7.5.5.2. - Venting of Interceptors
• 7.5.5.3. - Venting of Corrosive Drain Piping and Dilution Tanks
• 7.5.5.4. - Fresh Air Inlets
• 7.5.5.5. - Provision for Future Installations
• 7.5.6.1. - Drainage of Vent Pipes
• 7.5.6.2. - Vent Pipe Connections
• 7.5.6.3. - Location of Vent Pipes
• 7.5.6.4. - Connection of Vents above Fixtures Served
• 7.5.6.5. - Terminals
• 7.5.7.1. - General
• 7.5.7.2. - Size Restriction
• 7.5.7.3. - Additional Circuit Vents and Relief Vents
• 7.5.7.4. - Offset Relief Vents
• 7.5.7.5. - Yoke Vents
• 7.5.7.6. - Vent Pipes for Manholes
• 7.5.7.7. - Vents for Sanitary Sewage Sumps or Tanks, Dilution Tanks and Macerating Toilet Systems
• 7.5.8.1. - Hydraulic Loads Draining to Wet Vents
• 7.5.8.2. - Individual Vents and Dual Vents
• 7.5.8.3. - Branch Vents, Headers, Continuous Vents and Circuit Vents
• 7.5.8.4. - Vent Stacks, or Stack Vents
• 7.5.8.5. - Lengths for other Vent Pipes
• 7.5.9.1. - Air Admittance Valve as a Vent Terminal
• 7.5.9.2. - Air Admittance Valves
• 7.5.9.3. - Installation Conditions
• 7.6.1.1. - Design
• 7.6.1.2. - Drainage
• 7.6.1.3. - Control and Shut-off Valves
• 7.6.1.4. - Shut-off Valves
• 7.6.1.5. - Water Closets
• 7.6.1.6. - Suites
• 7.6.1.7. - Public Washrooms
• 7.6.1.8. - Tanks
• 7.6.1.9. - Protection for Exterior Water Supply
• 7.6.1.10. - Check Valves
• 7.6.1.11. - Flushing Devices
• 7.6.1.12. - Relief Valves
• 7.6.1.13. - Solar Domestic Hot Water Systems
• 7.6.1.14. - Water Hammer
• 7.6.1.15. - Mobile Home Water Service
• 7.6.1.16. - Thermal Expansion
• 7.6.2.1. - Connection of Systems
• 7.6.2.2. - Back-Siphonage
• 7.6.2.3. - Protection from Backflow
• 7.6.2.4. - Backflow from Fire Protection Systems
• 7.6.2.5. - Backflow from Buildings with a Solar Domestic Hot Water System
• 7.6.2.6. - Premise Isolation
• 7.6.2.7. - Reserved
• 7.6.2.8. - Cleaning of Systems
• 7.6.2.9. - Air Gap
• 7.6.2.10. - Vacuum Breakers and Flood Levels
• 7.6.3.1. - Design, Construction and Installation
• 7.6.3.2. - Hydraulic Load
• 7.6.3.3. - Static Pressure
• 7.6.3.4. - Size
• 7.6.3.5. - Velocity
• 7.6.4.1. - Water Supply Fittings
• 7.6.4.2. - Plumbing Fixtures
• 7.6.5.1. - Maximum Temperature of Hot Water
• 7.6.5.2. - Showers
• 7.6.5.3. - Temperature Control Devices
• 7.7.1.1. - Non-Potable Connection
• 7.7.2.1. - Markings Required
• 7.7.3.1. - Pipes
• 7.7.3.2. - Outlets
• 7.7.4.1. - Conformance to Standards