MarkhamPlanning ApplicationsPlanning guidelines

Arborist Report and Tree Inventory & Preservation Plan Terms of Reference

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
Study
Published by
City of Markham
Date
2024
Also called
Arborist Report and Tree Inventory & Preservation Plan Terms of Reference (2024)
For
designer
Building types
All building types
Pages
7

Overview

The City of Markham's Arborist Report and Tree Inventory & Preservation Plan Terms of Reference, 2024, linked from the Guidelines and Terms of Reference and Development Tree Permits pages. It explains when an arborist report accompanies a draft plan of subdivision, site plan, site alteration permit or municipal servicing agreement for trees on or within 6 metres of a site, who prepares it, the Official Plan policies behind it, the tree inventory chart and 1:500 tree preservation plan contents, and the Progressive Aggregate Caliper Method for replacement trees.

What it covers

  • Introduction
  • Purpose
  • When Is This Required?
  • Who Prepares This?
  • Why Do We Need This?
  • Structure and Format
  • What Should Be Included?
  • Submission Requirements
  • Investigation/Evaluation
  • Recommendations
  • Drawings and Supporting Information
  • Tree Inventory
  • Tree Preservation Plan
  • Appendices
  • Example of a Tree Preservation Plan
  • Progressive Aggregate Caliper Method
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Arborist Report and Tree Inventory & Preservation Plan Terms of Reference

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