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Backflow Prevention (BFP) Serving Fire Protection Systems Permit Submission Guide

Published by City of London

The municipality lists what to submit. CodeEase shows what the building code asks of it. See CodeEase →

This is the City of London’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 London
Also called: Backflow prevention devices
For: designer
Building types: All building types
Pages: 2
Instruments: CSA B64 · NFPA 13 · NFPA 14 · Ontario Building Code 2024

Overview

The City of London's two-page Backflow Prevention (BFP) Serving Fire Protection Systems Permit Submission Guide, based on CSA-B64, NFPA 13 (2019 Edition), NFPA 14 (2013 edition) and OBC 2024. It covers general items for all projects, new or replacement backflow prevention devices serving sprinkler and standpipe systems, and emergency backflow permits. It complements London's sprinkler and standpipe guides and its plumbing drawings checklist.

What it covers

General Requirements (All Projects)
New Backflow Prevention Device
Emergency Backflow Permits

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