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Council Meeting/Documents/Arborist Assessment Report: Big leaf maple in front of 18 Amber Place
Appendix

Arborist Assessment Report: Big leaf maple in front of 18 Amber Place

April 5, 2016Pages 18–204 sections

A professional assessment from Michael Gye Urban Forestry Ltd. detailing root damage to the driveway and perimeter drains.

8.1.a) Tree Removal Application - 18 Amber Place
Date: March 11, 2016Arborist: Michael GyeFindings: Roots are undermining adjacent garage slab and colonizing perimeter drainsRecommendation: Removal of the tree and routing of the stump

March 11, 2016

Cole Daugherty 18 Amber Place Victoria, BC V9A 1Z5

To whom it may concern.

Page 18–20

Assessment report: Big leaf maple in front of 18 Amber Place.

Photo of subject tree in relation to its surroundings
Photo of subject tree in relation to its surroundings

Photo shows subject tree in relation to its surroundings.

Photo taken by Michael Gye on March 11, 2016

Pavement damage from radial root expansion indicated by red arrows
Pavement damage from radial root expansion indicated by red arrows

Red arrows point to pavement damage from radial root expansion.

Photo taken by Michael Gye on March 11, 2016

Observations, discussion, conclusions.

This still young and vigorous Big Leaf Maple (Acer macrophyllum) is causing significant root damage to the driveway. Its roots have already reached the two adjacent buildings and may have already started to colonize the building perimeter drains as well as undermining the adjacent garage slab. This is a fast growing species reaching diameters exceeding one meter and heights up to 30 meters. It belongs in a park or a field, not in this cramped location.

Recommendation.

Obtain a permit from the Municipality to have it removed. The stump should be routed below the driveway grade and covered with soil. If the tree must be replaced use a slow growing shrub or a flower border rather than a tree.

Please call the writer if you have any questions or need further information.

Yours truly,

Michael Gye, Consulting Arborist Michael Gye Urban Forestry Ltd.

Page 18–20

Arborist's Disclosure Statement

Arborists are tree specialists who use their education, knowledge, training and experience to examine trees, recommend measures to enhance the beauty and health of trees, and attempt to reduce the risk of living near trees. Clients may choose to accept or disregard the recommendations of the arborist, or to seek additional advice.

Arborist cannot detect every condition that could possibly lead to the structural failure of a tree. Trees are living organisms that fail in ways we do not fully understand. Conditions are often hidden within trees and below ground. Arborists cannot guarantee that a tree will be healthy or safe under all circumstances, or for a specified period of time. Likewise, remedial treatments, like any medicine, cannot be guaranteed.

Treatment, pruning and removal of trees may involve considerations beyond the scope of the arborist’s services such as property boundaries, property ownership, site lines, disputes between neighbours, and other issues. Arborists cannot take such considerations into account unless complete and accurate information is disclosed to the arborist. An arborist should then be expected to reasonably rely upon the completeness and accuracy of the information provided.

Trees can be managed, but they cannot be controlled. To live near trees is to accept some degree of risk. The only way to eliminate all risk associated with trees, is to eliminate all trees.

Page 18–20

Assumptions and Limiting Conditions

  1. Any legal description provided to the consultant is assumed to be correct. Any titles and ownerships to any property are assumed to be good and marketable. No responsibility is assumed for matters legal in character, nor is any opinion rendered as to the quality of any title. Any and all existing liens and encumbrances have been disregarded, and any and all property is appraised/evaluated as though free and clear, under responsible ownership, and competent management.
  2. It is assumed that any property is not in violation of any applicable codes, ordinances, statutes, or other governmental regulations.
  3. Care has been taken to obtain all information from reliable sources. All data has been verified insofar as possible; however, the consultant can neither guarantee nor be responsible for the accuracy of information provided by others.
  4. The consultant shall not be required to give testimony or attend court by reason of this report unless subsequent contractual arrangements are made.
  5. Loss or alteration of any part of this report invalidates the entire report.
  6. Possession of this report or a copy thereof does not imply right of publication or use for any purpose by any other than the person to whom it is addressed, without the prior expressed written consent of the consultant.
  7. Neither all nor any part of the contents of this report, nor copy thereof, shall be used for any purpose by anyone but the person to whom it is addressed, without the prior written consent of the consultant; nor shall it be conveyed by anyone, including the client, to the public through advertising, public relations, news, sales or other media, without the prior written or verbal consent of the consultant: particularly as to value conclusions, identity of the consultant, or any reference to any professional society or institute, or to any initialled designation conferred upon the consultant stated in his qualifications.
  8. This report and any values expressed herein represent the opinion of the consultant and the consultant's fee is in no way contingent upon the reporting of a specified value, a stipulated result, the occurrence of a subsequent event, nor upon any finding to be reported.
  9. Sketches, diagrams, graphs, and photographs in this report, being intended as visual aids, are not necessarily to scale and should not be construed as engineering or architectural reports or surveys.
  10. Unless expressed otherwise: 1) information contained in this report covers only those items that were examined and reflect the condition of those items at the time of inspection; and 2) the inspection is limited to visual examination of accessible components without dissection, excavation, or probing unless otherwise noted. There is no warranty or guarantee, expressed or implied, that problems or deficiencies of the plants or property in question may not arise in the future.
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Extracted from: 2016 04 05 Council Agenda - Pdf