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Tree Protection Plan Guide City of Calgary
LHAP 305-61-40684 (FA25) - Urban Forestry & Arboriculture/Protecting trees in the Landscape/Tree Protection Resources/Tree Protection Plan Guide City of Calgary.pdf
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Page 1
A step-by-step guide
Tree Protection Plan
PERMIT #: ADDRESS:
Onward/ The City of Calgary is focused on protecting our air, land and water
to maintain healthy ecosystems.
calgary.ca | contact 311
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What is a Tree Protection Plan?
A Tree Protection Plan outlines how construction work
is to be accomplished and the steps that will be taken
to preserve trees on City land. A Tree Protection Plan
may be a report and/or a drawing. It always accompanies
a Site Plan, which is a separate document showing where
change will occur based on the existing and proposed
site layout. A Tree Protection Plan is also an agreement
between the property owner (or their authorized agent)
and The City. The agreement specifies that the owner
will be liable for any damage caused to public trees
during the development process, including damage
caused by contractors carrying out work for the owner.
The Tree Protection Plan must identify all proposed
work involving public trees.
Why do I need a Tree Protection Plan?
An approved Tree Protection Plan is required under the
Tree Protection Bylaw 23M2002 and the Streets Bylaw
20M88. Public trees have come under increased stress
in recent years due to redevelopment and construction
activities. After a tree is established, any activity that
changes the soil conditions, or disturbs tree branches,
trunks or root systems is extremely detrimental to a tree’s
health. Changes can be brought on by soil compaction,
excavation and altering the grade. It can take as long as
10 years for an injured tree to show signs of decline, so
it’s important for us to protect trees proactively.
About your Tree Protection Plan
The purpose of the Tree Protection Plan is to prevent damage to public trees caused by development work on,
near, or crossing City property. A Tree Protection Plan is required for any development involving excavation,
storage of construction materials or access routes for people and equipment within six metres of a public tree.
Roads right-of-way Private property
Property line
Roadway and curb Boulevard width will vary
Sidewalk
Roads right-of-way Private property
Property line
Roadway and curb Boulevard width will vary
Sidewalk
What is a public tree?
A public tree includes any tree which has any part of its trunk located on City lands.
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Step 1: Public Tree Disclosure Statement
As part of The City of Calgary Development/Building
Permit application process, applicants are required to
complete a Public Tree Disclosure Statement (example
on page 6). If you have not completed a Public Tree
Disclosure Statement during the application process,
please visit calgary.ca to submit a disclosure statement
online. The information provided therein will assist The
City of Calgary Parks in determining possible public tree
damage during development and construction activities.
Step 2: Pre-construction meeting
If you’re not familiar with Tree Protection plans, please
phone 311 to schedule a pre-construction meeting with
an Urban Forestry Technician. During this meeting, the
site will be evaluated and the required measures for your
Tree Protection Plan will be discussed.
Step 3: Prepare a Tree Protection Plan
Please refer to the sample Tree Protection Plan
checklist on page 5 when completing your Plan. Your
Plan can be limited to one page provided it meets all
of the requirements.
Tree protection zone
Before disturbance can begin, each public tree within
six metres of a development site requires approved tree
protection plans including barriers. The barriers mark
the tree protection zone in which disturbance activities
are restricted. The tree protection zone barriers must be
1.2 metres high and extend four metres from trunk of the
protected tree.
At minimum, the zone is limited to City of Calgary
property, however, The City recommends extending
the tree protection zone to the drip line (outer limit of
the tree canopy) of each protected tree.
The most common types of barrier include fencing,
consisting of either:
a) A solid wood frame with orange snow fencing
stapled to the outside.
b) Metal fencing.
For safety reasons, before installing the fence be sure
to call Alberta 1-Call at 1-800-242-3447 to ensure you
don’t hit any buried utilities. Fencing must not interfere
with access to fire hydrants, or obscure intersections
or traffic signage.
Upon approval of your Tree Protection Plan, The City will
provide a sign indicating the protected tree status. This
signage is to be attached to each protective fence.
Step 4: Submitting your Tree Protection Plan
Your submission should include relevant copies of
the approved Site Plan or Landscape Plan. The Tree
Protection Plan must include the Development Permit
number and site address. Submit your completed Plan
for authorization by mail, fax or email:
Mail: Parks Urban Forestry Tree Protection Plan
P.O. Box 2100, Stn. M #75
Calgary, AB, Canada T2P 2M5
Fa x: 403-537-7549
Email: tree.protection@calgary.ca
Important: Please submit a signed copy of the
attached Tree Protection Plan Agreement with
your Tree Protection Plan.
Step-by-step guide to completing a Tree Protection Plan
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Removals or pruning
Removing public trees is only considered
as a last resort and can be expensive.
Consider modifying your plan to avoid
public tree removals. Examples might
include relocating underground utilities
and hard surfaces.
Pruning and removing public trees
requires written authorization from The
City of Calgary Parks Urban Forestry
office. The applicant will be required to
provide compensation to The City of
Calgary for any public
trees removed.
Appraised values are determined by using
the current methodology of the Council of
Tree and Landscape Appraisers' Guide
for Plant Appraisal, published by the
International Society of Arboriculture.
All removal, branch and root pruning work
on public trees must be carried out by a
tree contractor who has met The City's
minimum standards. Contact Urban
Forestry for a list of contractors. The Tree
Protection Plan must identify all proposed
work involving public trees.
Inspections and fines
All development sites are subject to
inspection to ensure that the approved
Tree Protection Plan is being followed.
Fines and charges may be levied in
accordance with the Tree Protection
Bylaw 23M2002 and the Streets Bylaw
20M88. Damaging a public tree carries a
maximum fine of $10,000 per offense. If
the tree is removed without authorization
the full monetary value of the tree must be
paid to The City. Protected trees can be
worth several thousand dollars.
Step 5: Hoarding Permit
A Hoarding Permit is a type of engineering permit issued for
restricting access to paved and unpaved portions of the road
rights-of-way. Since a Tree Protection Plan will require hoarding off
an area surrounding a public tree (in most cases), a Hoarding Permit
will be required.
Once you have your Tree Protection Plan approval letter, bring
it, along with your Site Plan indicating the tree protection barrier
dimensions, to The City of Calgary’s Traffic division (Traffic
Engineering) to obtain a Hoarding Permit.
Traffic Engineering is located at 2808 Spiller Road S.E.
Contact 311 for additional information.
Step 6: Maintaining your Tree Protection Plan
Applicants must implement and maintain tree protection for the
duration of the development project. This includes recognition
that no work is to be carried out inside the tree protection zone,
and protected trees are to be watered at least once a week during
development (more during temperate weeks).
It's the property owner’s (or agent’s) responsibility to report any public
tree damage during development to The City. Deviation from the
approved Tree Protection Plan must be authorized in writing by Urban
Forestry: contact 311. Failure to follow the approved Tree Protection
Plan can result in fines, as outlined in the Streets Bylaw 20M88.
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The location and species of all public
trees and shrubs within six metres of the
development site. Note the diameter,
height and canopy.
Tree protection zones (see page 3).
Construction materials storage area(s).
The limits of any land disturbances,
excavation zones, trenching and grade
changes, routing of utilities and irrigation
systems, sidewalks, driveways, construction
access roads, changes to street lighting,
fire hydrants and utility boxes.
Identify (in square metres) the areas where
protective barriers will be installed on any
City of Calgary road right-of-way.
Identify pre- and post-construction
care measures such as watering, mulch
and soil aeration.
Locate site access routes as far from the
trunk as possible. Anti-compaction devices
should be used to minimize root damage.
Identify if trees are to be retained,
pruned or removed.
Identify construction methods and equipment
to be used on City of Calgary lands.
Provide contact information for a
designated individual responsible for
ensuring work adheres to the approved
Tree Protection Plan. The designated
individual will also ensure contracted
staff working at the development site
are aware of the Tree Protection Bylaw
and the approved Tree Protection Plan.
TREE PROTECTION PLAN CHECKLIST
The following checklist will help you ensure your application is complete. Incomplete Tree Protection plans will be rejected, and re-submission will be
required. If specific items are not applicable, please indicate why. Applicants that are unfamiliar with tree protection are advised to consult an arborist.
Example of a Tree Protection Plan
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Page 1 of 2
Site Address:
Legal Description:
The information provided in this disclosure statement will assist The City of Calgary in protecting Public Trees. The City of Calgary
relies on the information provided in this statement to determine the potential for Public Tree damage, which may occur during
development and construction activities.
You are responsible for the accuracy of the information provided in this statement. The questions must be answered to the best of your
knowledge based upon diligent inquiries and thorough inspection and review.
An Engineering Street Use, Excavation or Hoarding Permit (permit types depends on activity) is required when construction or
construction related activities occur on City land, including road rights-of-way and boulevards. When such activities occur within six
metres of a public tree, applicants shall be required to submit a Tree Protection Plan for approval, prior to obtaining a permit for work on
City lands.
1. Are there public trees on the city lands within six metres of the development site? Yes No
If you answered ‘yes’ to question 1, please answer the remaining questions and include a site plan.
2. Are you crossing City-owned lands to access development? Yes No
3. Are you intending to store material or equipment on City lands? Yes No
4. How do you intend to in stall underground utilities?
Open Cut Hydro Vac Horizontal Boring Other (please describe) _______________________
5. Who will be submitting the Tree Pr otection Plan for this development?
Applicant Owner Builder Other _________________________
Company Name ________________________________________________________________________________
Contact Person _________________________ Phone ____________________ Cell Phone _________________
Address ____________________________________________ Email ____________________________________
Note: This form is to be signed by the titled owner(s) of the property or their authorized agents or consultants.
I, the owner, authorized agent, authorized consultant, state that, to the best of my knowledge, the
information provided in this statement is accurate, complete and is based on diligent inquiry and thorough
inspection and review of all the documents and other information reasonably available pertaining to the subject
property.
______________________________________________
Date
______________________________________________
Applicant Signature
_____________________________________________
Applicant Name (Please Print)
_____________________________________________
Company Name (Please Print)
The personal information is collected under the authority of the Alberta Municipal
Government Act, the Street Bylaw 20M88, the Tree Protection Bylaw 23M2002 and the
Freedom of Information and Protection of Privacy Act, Section 33 (C). It may be used to
communicate with the applicant during the permit application, review & inspection
processes and may be circulated to relevant Portfolios. It may also be submitted to the
Calgary Planning Commission (CPC) and/or Subdivision and Development Appeal
Board (SDAB). Correspondence received regarding the application may be included in
public agendas. The personal information and the nature of the permit will be publicly
available, in accordance with Section 40(1) of the Freedom of Information and Protection
of Privacy Act. If you have any questions regarding the collection of this information,
please contact the FOIP Program Administrator, Development & Building Approvals,
PO Box 2100, Station M, Calgary, AB T2P 2M5. Telephone 311.
Public Tree Disclosure Statement
(R2012-06)
Application # ____________________
For office use only
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Drip line
Property
line
Protected
tree sign1.2 m
4 m
Date
Applicant signature
Applicant name (please print)
Telephone number
Email address
Company name (please print)
Site address
Development Permit/Building Permit number
Tree Protection Plan Agreement
Please submit a signed copy of this agreement with your
Tree Protection Plan. By signing this document and submitting
it with a Tree Protection Plan, the applicant agrees to undertake
the following actions during the development process:
• Follow all restrictions as described in the submitted
Tree Protection Plan, pending approval by The City.
• Notify all contractors working on site of the Tree Protection
Plan and ensure they are aware of work restrictions within all
tree protection zones.
• Install bright and durable tree protection barriers and approved
signage around public trees.
• Ensure no work is carried out inside tree protection zones.
• Water trees at least once a week during development (more during temperate weeks).
Remember: Under the Tree Protection Bylaw 23M2002 and Streets Bylaw 20M88, property owners are responsible
for providing protection to public trees and are liable for the value of trees damaged or destroyed during the development
process. Protected trees can be worth tens of thousands of dollars depending on the size, species, location and condition.
Offences such as removing or pruning a tree without authorization or securing objects to a public tree can
carry fines up to $10,000. Failure to follow the approved Tree Protection Plan can result in a $500 fine.
This form is to be signed by the owner(s) of the property or their authorized agents or consultants. For more
information about the Tree Protection Plan and for copies of Tree Protection Bylaw 23M2002 and Streets Bylaw
20M88, please visit calgary.ca/parks or contact 311.
I, the owner , authorized agent , authorized consultant , state that, to the best of my knowledge, the information
provided in the enclosed Tree Protection Plan is accurate, complete and is based on diligent inquiry and thorough
inspection and review of all documents and other information reasonably available pertaining to the subject property.
I have read the Tree Protection Plan outline and agree to follow all guidelines within it. I will carry out all development
work in accordance with the approved Tree Protection Plan for my site.
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To find out more about Tree Protection plans and to download a PDF version of the sample Site Plan, contact 311 or
visit calgary.ca and search for: • Tree Protection Plan Agreement
• Public Tree Disclosure Statement
• Public Tree and Stump Removal Application
• Tree contractors
• Tree Protection Plan: A step-by-step guide
Sample Site Plans