MarkhamBuilding InspectionsInspections

Fire Alarm System Modification Replacement Of Existing Fire Alarm Or Control Panel

Published by City of Markham

This is the City of Markham’s document, as published on its website on 18 October 2026. The municipality may have changed it since: check the current version at the source. Legal notice

Type: Map
Published by: City of Markham
Date: January 1, 2025
Also called: Fire Alarm System Modification Replacement of Existing Fire Alarm Panel or Control Unit
For: contractor
Building types: All building types
Pages: 3
Instruments: CAN/ULC-S524, Standard for Installation of Fire Alarm Systems · CAN/ULC-S537, Verification of Fire Alarm Systems · CAN/ULC-S536, Inspection and Testing of Fire Alarm Systems · CAN/ULC-S561 · CSA C22.1, Canadian Electrical Code, Part 1

Overview

The City of Markham's Builder Tip No. 92, dated January 1, 2025 and updated to the 2024 OBC, on replacing an existing fire alarm panel, annunciator or control unit, one of the City's non-housing tips under the 2024 Ontario Building Code. It quotes Articles 3.2.4.5. and 3.2.4.7. and extracts from CAN/ULC-S524 on existing wiring, CAN/ULC-S537 on verifying control units, transponders and software modifications, and CAN/ULC-S536 on field devices. Its objective lists installation, verification, device testing and a ULC-listed signal certificate, with a diagram from the CFAA Fire Alarm Systems Manual.

What it covers

3.2.4.5. Installation and Verification of Fire Alarm Systems
3.2.4.7. Signals to Fire Department
Extract from CAN/ULC-S524
Extract from CAN/ULC-S537
Extract from CAN/ULC-S536
Objective

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