Proposed Changes by Code Provision—National Building Code 2020

1.4.2.1. Symbols and Other Abbreviations

• 2016 - New Abbreviations Related to Operational GHG Emissions

2.1.1.2. Application of Objectives

• 1880 - Expanding the Application of the Accessibility Objective to All Dwelling Units ^{Footnote 1}

1.1.3.1. Climatic and Seismic Values

• 1976 - Update of Seismic Hazard in Northwestern Canada ^{Footnote 2}

3.1.4.2. Protection of Foamed Plastics

• 1967 - New Standard for Testing of Protective Coverings over Foamed Plastic Insulation

3.1.5.15. Foamed Plastic Insulation

• 1967 - New Standard for Testing of Protective Coverings over Foamed Plastic Insulation

3.1.11.5. Fire Blocks in Horizontal Concealed Spaces

• 1922 - Standardization of Terminology in NBC Sprinkler Requirements

3.1.11.6. Fire Blocks in Crawl Spaces

• 1921 - Standardization of Terminology in NBC Sprinkler Requirements

3.2.1.5. Fire Containment in Basements

• 1924 - Standardization of Terminology in NBC Sprinkler Requirements

3.2.2.15. Storeys below Ground

• 1931 - Standardization of Terminology in NBC Sprinkler Requirements

3.2.2.18. Automatic Sprinkler System Required

• 1928 - Standardization of Terminology in NBC Sprinkler Requirements

3.2.2.35. Group A, Division 4

• 1926 - Standardization of Terminology in NBC Sprinkler Requirements

3.2.3.14. Wall Exposed to Another Wall

• 1933 - Standardization of Terminology in NBC Sprinkler Requirements

3.2.3.20. Underground Walkway

• 1932 - Standardization of Terminology in NBC Sprinkler Requirements

3.2.4.1. Determination of Requirement for a Fire Alarm System

• 1917 - Standardization of Terminology in NBC Sprinkler Requirements

3.2.4.8. Annunciator and Zone Indication

• 1910 - Standardization of Terminology in NBC Sprinkler Requirements

3.2.4.10. Fire Detectors

• 1925 - Standardization of Terminology in NBC Sprinkler Requirements

3.2.5.10. Hose Connections

• 1927 - Standardization of Terminology in NBC Sprinkler Requirements

3.2.5.12. Automatic Sprinkler Systems

• 1912 - Standardization of Terminology in NBC Sprinkler Requirements

3.2.5.13. Combustible Sprinkler Piping

• 1915 - Standardization of Terminology in NBC Sprinkler Requirements

3.2.5.14. Sprinklered Service Space

• 1929 - Standardization of Terminology in NBC Sprinkler Requirements

3.3.3.7. Contained Use Areas

• 1916 - Standardization of Terminology in NBC Sprinkler Requirements

3.3.4.3. Storage Rooms

• 1930 - Standardization of Terminology in NBC Sprinkler Requirements

3.4.6.5. Handrails

• 1772 - Minimum Width of Stairs or Ramps Between Handrails

3.5.4.1. Elevator Car Dimensions

• 2005 - Rooftop Enclosures as a Storey for Determining Elevator Car Dimensions

3.8. Accessibility

• 1881 - Application of Accessibility Requirements ^{Footnote 1}
• 1883 - Adaptable Dwelling Entrance ^{Footnote 1}
• 1957 - Reachable Controls in Dwelling Units ^{Footnote 1}

3.8.1. Scope

• 2028 - Expanding the Scope of the Accessibility Requirements ^{Footnote 1}

3.8.2.8. Plumbing Facilities

• 1771 - Installation Height of Accessible Menstrual Product Dispensers

3.8.3.16. Lavatories and Mirrors

• 1771 - Installation Height of Accessible Menstrual Product Dispensers

4.1.8.1. Analysis

• 1895 - Datum for the Determination of N̅₆₀ and s̅_u in Article 4.1.8.1.
• 1898 - Revisions to Article 4.1.8.1. (Simplified Method)

4.1.8.3. General Requirements

• 1996 - Clarification of Provisions for Structural and Non-Structural Elements Not Part of the SFRS

4.1.8.4. Site Properties

• 1896 - Clarification of the Scope of Article 4.1.8.4.
• 1897 - Clarification of the Permission for Liquefiable Soils

4.1.8.18. Elements of Structures, Non-structural Components and Equipment

• 1901 - Modification of the Requirements for Determining the Specified Lateral Earthquake Force

4.1.8.23. Additional Performance Requirements for Post-disaster Buildings, High Importance Category Buildings, and a Subset of Normal Importance Category Buildings

• 1899 - Clarification of the Performance Requirements for Post-disaster Buildings, High Importance Category Buildings, and a Subset of Normal Importance Category Buildings

9.8.5.4. Ramp Slope

• 1767 - Slope of Ramps Not Located in Barrier-Free Paths of Travel

9.10.17.10. Protection of Foamed Plastics

• 1969 - New Part 9 Provision with Cross-Reference to a Standard for Testing of Protective Coverings over Foamed Plastic Insulation

9.10.18.2. Fire Alarm System Required

• 1920 - Standardization of Terminology in NBC Sprinkler Requirements

9.13.2.2. Dampproofing Materials

• 1427 - Replacement of an Outdated CGSB Standard

9.13.4. Soil Gas Control

• 1713 - Passive Vertical Radon Stack ^{Footnote 3}

9.18.6.2. Ground Cover in Heated Crawl Spaces

• 1993 - Sealed Overlapping Seams for Air Barriers on the Ground

9.25.2.2. Insulation Materials

• 1964 - Introduction of References to New Material and Installation Standards for Light-Density, Open-Cell, Spray-Applied Polyurethane Foam

9.25.2.5. Installation of Spray-Applied Polyurethane

• 1964 - Introduction of References to New Material and Installation Standards for Light-Density, Open-Cell, Spray-Applied Polyurethane Foam

9.25.3.6. Air Barrier Systems in Floors-on-ground

• 1993 - Sealed Overlapping Seams for Air Barriers on the Ground

9.25.4.2. Vapour Barrier Materials

• 1427 - Replacement of an Outdated CGSB Standard

9.26.2.1. Material Standards

• 1467 - Introduction of a New Standard for Asphalt Core Boards

9.29.5.2. Materials

• 1845 - Introduction of References to Standards Related to Gypsum Board to Article 9.29.5.2.

9.36. Energy Efficiency

• 1830 - Energy Performance Tier 5 of the Prescriptive Path ^{Footnote 4}
• 1869 - Energy Use Intensity Compliance Path
• 2004 - Operational GHG Emissions: Tiered Performance Requirements in the NBC
• 2026 - Operational GHG Emissions: Tiered Prescriptive Requirements in the NBC

9.36.2.5. Continuity of Insulation

• 1951 - Continuity of Insulation

9.36.4.2. Equipment Efficiency

• 2011 - Updated Performance Metric for Heat Pump Water Heaters

9.36.5.5. Climatic Data

• 2009 - Climatic Data for Energy Model Calculations

9.36.5.10. Modeling Building Envelope of Proposed House

• 1819 - Removing ACH₅₀ and Harmonizing Airtightness Requirements in Section 9.36.

9.36.5.14. Modeling Building Envelope of Reference House

• 1819 - Removing ACH₅₀ and Harmonizing Airtightness Requirements in Section 9.36.

9.36.6.4. Determination of Airtightness Level

• 1819 - Removing ACH₅₀ and Harmonizing Airtightness Requirements in Section 9.36.

9.36.7.3. Energy Performance Improvement Compliance Calculations

• 1819 - Removing ACH₅₀ and Harmonizing Airtightness Requirements in Section 9.36.

9.36.8.2. Compliance

• 1890 - Energy Conservation Points for Energy Performance Tiers 3, 4 and 5 ^{Footnote 5}

9.36.8.5. Energy Conservation Measures for Above-Ground Opaque Building Assemblies

• 1838 - Energy Conservation Points for HRVs/ERVs and the Building Envelope
• 1923 - Energy Conservation Points for the Building Envelope

9.36.8.7. Energy Conservation Measures for Opaque Building Assemblies Below-Grade or in Contact with the Ground

• 1838 - Energy Conservation Points for HRVs/ERVs and the Building Envelope
• 1923 - Energy Conservation Points for the Building Envelope

9.36.8.9. Energy Conservation Measures for HVAC Systems

• 1838 - Energy Conservation Points for HRVs/ERVs and the Building Envelope
• 2000 - Energy Conservation Points for Oil-fired Furnaces
• 2001 - Energy Conservation Points for Air-Source Heat Pumps

9.36.8.10. Energy Conservation Measures for Service Water Heating Equipment

• 2011 - Updated Performance Metric for Heat Pump Water Heaters

10.9.36.

• 1825 - Alteration of Service Water Heating Systems ^{Footnote 6}
• 1826 - Replacement of Fenestration, Doors and Skylights ^{Footnote 6}
• 1827 - Airtightness of Altered Air Barrier Systems ^{Footnote 6}
• 1828 - Alteration of HVAC Systems ^{Footnote 6}
• 1829 - Thermal Characteristics of Above-Ground Opaque Building Assemblies ^{Footnote 6}
• 1850 - Thermal Characteristics of Building Assemblies Below-Grade or in Contact with the Ground ^{Footnote 6}

• 1976 - Update of Seismic Hazard in Northwestern Canada ^{Footnote 2}

• 1846 - Introduction of References to Standards Related to Gypsum Board to Sentence D-1.5.1.(2)

2.2.8.2. Information Required on Drawings and Specifications

• 1954 - Using NLR₅₀ in Administrative Documents