MarkhamBuilding InspectionsInspections
Size And Capacity Of Water Service For A House With One Dwelling Unit
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
- Guide
- Published by
- City of Markham
- Date
- January 1, 2025
- Also called
- Size and Capacity of Water Service for House with One Dwelling Unit
- For
- builder
- Building types
- All building types
- Pages
- 2
Overview
Markham Building Standards Department Builder Tip No. 97, dated January 1, 2025 and updated to the 2024 OBC, on water service pipe size for a single-family house, filed with the City's housing tips under the 2024 Ontario Building Code. It quotes Sentence 7.6.3.4.(6), Size, on an NPS ¾ in. water service where ¾ in. piping runs to the base of each riser and the hydraulic load is no more than 26 fixture units under Table 7.6.3.2.-A. Its objective explains the amendment and works an example of fixture units by floor.
What it covers
- 7.6.3.4. Size
- Objective
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