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Event Details

Tree Protection During Construction

Date: February 7, 2018
Location: Surrey Nature Centre, Surrey, BC, CANADA
Organizer: Pacific Northwest Chapter of ISA
Sponsor: Pacific Northwest Chapter of ISA
Description: Trees are commonly damaged during construction and successful preservation requires special consideration. This workshop explores strategies for managing trees during construction. Learn about:

The value of preserving existing trees with development;
The importance of the arborist’s role throughout project planning, design, and construction;
Identifying trees that are suitable for preservation;
The possible ways trees may be affected by construction;
Tree protection measures and monitoring;
The use of alternative construction techniques to provide for tree protection; and
Addressing tree damage, risk potential and remedial treatments.

Includes an indoor presentation and outdoor exercise.

9:00 – 11:00 Introduction – Planning for Tree Preservation

(2 hours)

Value of preserving trees during site development.
Arborist’s roles throughout various phases of development.
Identifying trees that are suitable for preservation (includes large group exercise).

11:30 – 12:00 Construction Impacts and Tree Protection Measures

(0.50 hour)

Common ways that trees are damaged by construction impacts.
Methods for determining root protection zones.
Common tree protection measures.

11:30 – 12:00 LUNCH BREAK

(0.50 hour)

12:00 – 1:15 Construction Impacts and Tree Protection Measures Continued

(1.25 hours)

Scenario based small group exercise to identify root protection zones.
Common reasons for root protection zone encroachment.
Methods of providing soil protection.
Alternative construction techniques to allow encroachment within root protection zones.
Methods of conducting exploratory excavation.
Revisit small group exercise to discuss root protection zone alternatives.

1:15 – 1:45 Field Component

(0.5 hours)

View examples of trees adjacent to construction
Discuss appropriate tree protection measures for each example
Evaluate protection measures recommended

1.45 – 2:30 Tree Protection Monitoring

(0.75 hours)

Tree protection site inspections and documentation
Communicating with contractors
Assessing damage and risk potential
Remedial Treatments
Contact Name: Dana Hatley
Contact Phone: 8003354391
Contact FAX: 5038741509
Contact Email:

Seats Available: 30
CEUs available: Yes

Start Date: 9:00 AM, February 7, 2018
End Date: 2:30 PM, February 7, 2018

Address: Surrey Nature Centre
14225 Green Timbers Way, Dogwood Room
V3T 0J2

©International Society of Arboriculture 2009-2018
PO Box 3129 • Champaign, IL 61826, USA • +1.217.355.9411

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