High Building (OBC 3.2.6. and SB-4) Design Checklist for New Buildings

Published by City of Kitchener

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This is the City of Kitchener’s document, as published on its website on 23 October 2026. The municipality may have changed it since: check the current version at the source. Legal notice

Type: Checklist
Published by: City of Kitchener
Date: March 2025
Also called: high building (OBC 3.2.6. and SB-4) design checklist for new buildings
For: designer
Signed by: Architectural · Mechanical Systems · Electrical Systems · Structural Systems · Project Code Consultant
Building types: All building types
Pages: 6
Instruments: Subsection 3.2.6. of the Ontario Building Code · SB-4 of the Supplementary Standards

Overview

The City of Kitchener Building Division's six-page High Building (OBC 3.2.6. and SB-4) Design Checklist for New Buildings, created March 2025. The design team lists its disciplines, then the sheets set out Subsection 3.2.6. and Supplementary Standard SB-4 items with Remarks lines: smoke movement, stair shafts, elevators and firefighter elevators, venting, the central alarm and control facility, voice communication and testing. It is read with the permit drawings and the building code matrix.

What it covers

Purpose of Checklist
Design Team Confirming and/or Detailing OBC Compliance for High Building Measures
Checklist Instructions
High Building Requirements
Limits to Smoke Movement
Stairway Protection Below Lowest Exit Level
Requirements for Stair Shafts Serving Storeys Above Lowest Exit Level
Limiting Smoke Movement into Storeys Above Lowest Exit Level
Air Moving Fans
Group C Public Corridor Make Up Air
Connected Buildings
Emergency Operation of Elevators
Elevator for Use by Firefighters
Venting to Aid Firefighting
Central Alarm and Control Facility (CACF Room)
Voice communication Systems
Testing

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High Building (OBC 3.2.6. and SB-4) Design Checklist for New Buildings

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