KitchenerBuilding PermitsCommercial, Industrial & Institutional

Guide to Determining Group F, Division 3 Occupancies

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: Guide
Published by: City of Kitchener
Date: November, 2023
Also called: fire load calculation guide
For: designer
Signed by: Owner(s) / Tenant
Building types: All building types
Pages: 2
Agencies: Building Division
Instruments: Ontario Building Code · Ontario Fire Code

Overview

A two-page guide from the City of Kitchener Building Division on fire load calculations for classifying an industrial occupancy as Group F, Division 3 under the Ontario Building Code. It quotes the three industrial hazard definitions with their 50 kg/m2 and 1 200 MJ/m2 limits, notes that the Division treats warehouses as Group F2 unless shown otherwise, and describes the design professional's sealed report and a sample owner or tenant letter with blanks for project, address and use.

What it covers

Report from a Design Professional
Letter from the Owner / Tenant
Sample Letter

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