Part 3: Fire Protection, Occupant Safety and Accessibility
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Article 126.96.36.199. - Protection of Foamed Plastics
In combustible buildings, walk-in coolers or freezers made of factory assembled panels containing foamed plastic insulation are permitted.
New limitations are provided on the flame spread rating for doors containing foam plastic.
Article 188.8.131.52. - Combustible Components for Exterior Walls
For noncombustible buildings, testing requirements of exterior wall assemblies with combustible components have been clarified.
Article 184.108.40.206A. - Factory Assembled Panels
For factory assembled panels containing foamed plastic insulation in noncombustible buildings, existing requirements are combined, and new provisions added for walk-in coolers and freezers.
Articles 220.127.116.11. - Combustible Insulation and 18.104.22.168A. - Foamed Plastics Insulation
Requirements for combustible insulation and foamed plastics insulation have been separated into two Articles.
Articles 22.214.171.124. - Determination of Ratings and 126.96.36.199. - Installation of Closures
Limiting smoke movement is now required in additional types of buildings.
New standards have been introduced for the leakage rates of smoke dampers and combination smoke/fire dampers used as closures, as well as a leakage-rate for door assemblies installed in fire separations.
In addition, a new standard also addresses installation requirements for smoke dampers used as closures and leakage-rated door assemblies in required fire separations.
Article 188.8.131.52. - Location of Fire Dampers and Smoke Dampers
A new provision requires air transfer openings or ducts that penetrate certain fire separations to be equipped with smoke dampers or combination fire/smoke dampers.
Articles 184.108.40.206 - Fire Dampers Waived and 220.127.116.11A. - Smoke Dampers Waived
Article 18.104.22.168. has been rewritten to clarify where fire dampers can be waived.
A new Article 22.214.171.124.A has been added to address where smoke dampers can be waived.
Article 126.96.36.199A - Installation of Smoke Dampers
A new Article has been added to establish rules for the installation of a smoke damper.
Article 188.8.131.52 - Hold-open Devices
This Article has been expanded to include most closures.
Article 184.108.40.206A. – Penetration by Outlet Boxes
A new Article to address firestopping for all outlet boxes that penetrate a fire separation or a fire-rated assembly. The Article also specifies conditions where noncombustible outlet boxes are not required to be fire stopped.
Article 220.127.116.11 - Fire Block Material
This Article now includes Structural Composite Lumber products as fire block materials. The Article now references a new standard, ASTM D5456, Evaluation for Structural Composite Lumber Products.
Article 18.104.22.168. - Roof Coverings
This Article now excludes noncombustible roofing covering materials for steel building systems described in Article 22.214.171.124., from required roof classifications, A, B and C.
Subsection 3.1.21. - Electric Vehicle Charging
All provisions related to electric vehicle charging have been deleted from the Building Code. This change took effect on May 2, 2019.
Article 126.96.36.199. - Combustible Projections
A new Sentence has been added to address that the face of the roof soffit may project to a property line where it faces a street lane or public thoroughfare.
Article 188.8.131.52. - Integrated Fire Protection and Life Systems
This Article has been deleted. The testing of life safety systems is now addressed under Article 184.108.40.206.
Article 220.127.116.11A. - Residential Fire Warning Systems
A new Article has been added to permit the use of a residential warning system in lieu of interconnected smoke alarm system.
Articles 18.104.22.168. - Two-Way Voice Communication Systems and 22.214.171.124. - One-Way Voice Communication Systems
Voice communication systems have now been separated into two Articles.
Article 126.96.36.199. - Limits to Smoke Movement
A new Sentence has been added which requires air handling systems providing make-up air to a public corridor serving high-rise residential suites to remain operational after the activation of the fire alarm to maintain corridor pressurization.
Article 188.8.131.52. - Emergency Lighting
This Article now requires emergency lighting in washrooms for public use.
Article 184.108.40.206. - Protection of Electrical Conductors
A new Sentence has been added to this Article to address protection measures for the distribution panel controlling the emergency lighting units and the electrical conductors leaving this panel.
Article 220.127.116.11. - Integrated Fire Protection and Life Safety Systems
This Article now references a new CSA standard for testing the integration between fire protection and life safety systems, and other systems associated with fire protection and life safety functions.
Articles 18.104.22.168 - Doors and Door Hardware and 22.214.171.124. - Doors
A new requirement has been added to these Articles to set limits on the height of door thresholds, other than for doors required in a barrier-free path of travel.
Article 126.96.36.199. - Capacity of Access to Exits and 188.8.131.52. - Principal Entrance
In non-sprinklered buildings, the principal entrance for dance halls and licensed beverage establishments with a high occupant load shall be calculated based on a minimum of one-half of the required exit width.
Article 184.108.40.206. - Emergency Crossover Access to Floor Areas
Crossover floor requirements are now applicable to buildings that are 6 storeys or less and where there are multiple levels below grade.
This Article has also been amended to require better signage so that the occupants can locate unlocked doors more rapidly.
Article 220.127.116.11. - Grease Duct Enclosures
New requirements related to grease duct enclosures used in commercial cooking operations have been added.
Article 18.104.22.168. - Plumbing Fixtures, General
New provisions have been added to clarify requirements for manual controls for faucets used for lavatories.
Article 22.214.171.124. - Medical Gas Piping Systems
A change has been made to the requirements for the design, construction, installation and testing of medical gas piping systems.
Section 3.8. – Accessibility
There have been several changes within Section 3.8. of the Building Code that provide clarification and enhance accessibility and safety. These include the following:
Article 126.96.36.199.(1) - Controls
This Sentence has been amended regarding location and operation of accessible controls related to building services and safety devices.
Article 188.8.131.52. - Doorways and Doors
Requirements related to power door operators in Sentence (16) and (17) have been clarified and integrated into one sentence.
Article 184.108.40.206. - Water Closet Stall
Design requirements for water closet stalls have been revised for clarification.
Article 220.127.116.11. - Water Closets
This Article has been revised for clarification and updated to add location and operational criteria for flush controls where there is no automatic flush.
Article 18.104.22.168. - Urinals
This Article has been revised for clarification and some duplications related to controls have been removed.
Article 22.214.171.124. - Lavatories
This Article has been revised to provide additional clarification on accessibility requirements for lavatories, mirrors and washroom accessories.
Article 126.96.36.199. - Universal Washrooms
A change has been made to clarify the requirement for power door operators and self-closing devices in universal washrooms.
Article 188.8.131.52. - Showers and Bathtubs
This Article was revised to clarify and enhance accessibility and safety for showers and bathtubs including requirements for grab bars, clear floor spaces, shower heads and faucets, and individual bathtub requirements in some institutional occupancies.