Proposed Changes by Subject—National Building Code 2020

Div.B 3.2.7.1. Minimum Lighting Requirements

• 1762 - Illumination Levels

Div.B 9.5. Design of Areas and Spaces

• 1765 - Projection of Protruding Building Elements

Div.B 9.9.5.3. Obstructions in Public Corridors

• 1765 - Projection of Protruding Building Elements

Div.B 9.34.2.7. Public and Service Areas

• 1762 - Illumination Levels

Div.B 9.36.6.2. Definitions

• 1814 - Removing the NLA Airtightness Metric

Div.B 9.36.6.3. Determination of Airtightness

• 1814 - Removing the NLA Airtightness Metric

Div.B 9.36.6.4. Determination of Airtightness Level

• 1814 - Removing the NLA Airtightness Metric

Div.A 1.3.3. Application of Division B

• 1812 - Application of NBC Part 10 to the Alteration of Existing Buildings ^{Footnote 1}

Div.B 10

• 1824 - Scope and Application of NBC Part 10 ^{Footnote 1}

Div.B 9.36.2.5. Continuity of Insulation

• 1831 - Insulation of Masonry Fireplaces

Div.B 9.36.2.11. Trade-off Options for Above-ground Building Envelope Components and Assemblies

• 1664 - Option for Insulation Under Ducts (Factory-Constructed Buildings)

Div.B 3.1.1. Scope and Definitions

• 1965 - Removal of the Term "Storage Tank" from Part 3 of the NBC

Div.B 3.1.7.5. Rating of Supporting Construction

• 1874 - Fire Protection of Seismic Isolation Systems

Div.A 1.4.1.2. Defined Terms

• 1813 - "Existing Building" and "Heritage Building"

Div.B 3.1.6.4. Encapsulation of Mass Timber Elements

• 1870 - Exposure of Mass Timber Elements

Div.B 3.1.6.6. Encapsulation Materials

• 1963 - Exposure of Mass Timber Elements

Div.B 5.9.1.1. Compliance with Applicable Standards

• 1332 - Replacement and Addition of Standards in Table 5.9.1.1.
• 1973 - Replacement of Reference to Outdated CAN/CGSB Standard with a Reference to an ASTM Standard
• 1974 - Deletion of Reference to Duplicate Standard

Div.B 9.36.2.7. Thermal Characteristics of Fenestration, Doors and Skylights

• 1823 - Thermal Characteristics of Fenestration and Doors

Div.B 9.36.5.3. Compliance

• 1823 - Thermal Characteristics of Fenestration and Doors

Div.B 9.36.7.3. Energy Performance Improvement Compliance Calculations

• 1823 - Thermal Characteristics of Fenestration and Doors

Div.A 2.1.1.2. Application of Objectives

• 1843 - New Greenhouse Gas Emissions Objective and Functional Statement in the NBC

Div.A 2.2.1.1. Objectives

• 1843 - New Greenhouse Gas Emissions Objective and Functional Statement in the NBC

Div.A 3.1.1.2. Application of Functional Statements

• 1843 - New Greenhouse Gas Emissions Objective and Functional Statement in the NBC

Div.A 3.2.1.1. Functional Statements

• 1843 - New Greenhouse Gas Emissions Objective and Functional Statement in the NBC

Div.B 9.36.3.10. Equipment Efficiency

• 1833 - New Performance Metrics for Small Single-Phase Air Conditioners and Heat Pumps

Div.B 2.2.7.6. Width and Height of Exits

• 1784 - Maximum Sill Height for Windows Used as Exits

Div.B 3.1.5.13. Gypsum Board

• 1841 - Terminology for Gypsum Board (Part 3)

Div.B 3.2.4.16. Manual Stations

• 1768 - Accessible Controls for Manual Fire Alarm Stations

Div.B 3.8.2.6. Controls

• 1768 - Accessible Controls for Manual Fire Alarm Stations

Div.B 3.1.7.1. Determination of Ratings

• 1847 - Firestopping of Penetrations in Tested Fire-Rated Assemblies

Div.B 3.1.9. Penetrations in Fire Separations and Fire-Rated Assemblies

• 1847 - Firestopping of Penetrations in Tested Fire-Rated Assemblies

Div.B 9.36.8. Tiered Energy Performance Compliance: Prescriptive Path

• 1834 - Interpolation of Energy Conservation Points

Div.B 9.36.8.6. Energy Conservation Measures for Fenestration and Doors

• 1889 - Energy Conservation Points for Fenestration and Doors

Div.B 9.36.8.8. Energy Conservation Measures Relating to Airtightness

• 1888 - Updates to Energy Conservation Points for Airtightness Levels

Div.B 9.36.8.9. Energy Conservation Measures for HVAC Systems

• 1836 - Gas-Fired Furnaces

Div.B 9.36.8.10. Energy Conservation Measures for Service Water Heating Equipment

• 1835 - Drain-Water Heat Recovery

Div.B 9.18.6.2. Ground Cover in Heated Crawl Spaces

• 1809 - Ballast for Ground Cover in Heated Crawl Spaces

Div.B 5.2.2.2. Determination of Wind Load

• 1754 - Requirements for Wind Resistance of Vegetated Roof Assemblies

Div.B 3.3.1.14. Ramps and Stairways

• 1878 - Nearness of Non-Exit Stairways to Doors