CONSULTING SERVICES

Removing a tree? Having construction or major landscaping work done on your property? Our certified, consulting arborists are here to help. We can provide arborist reports and tree protection plans that the city will require when issuing permits for tree removals or injuries.

For contractors, we also offer Arborist On Site services during construction or work in tree protection zones, as well as root exploration and root pruning services.

ARBORIST REPORTS AND CONSULTING SERVICES

Removing a tree? Having construction or major landscaping work done on your property? Our certified, consulting arborists are here to help. We can provide arborist reports and tree protection plans that the city will require when issuing permits for tree removals or injuries.

ARBORIST REPORTS FOR PRIVATE TREE REMOVAL

An Arborist Report is usually required for a tree removal permit by City of Toronto Urban Forestry and other municipal Urban Forestry Authorities in the GTA.  A Certified Arborist at Cohen and Master will assess the condition of your tree and produce a professional arborist report that can be submitted to the city to receive a tree removal permit.

As part of the process, we will provide recommendations for tree replanting and tree species selection, with trees that have been pre-approved by the city and are appropriate for your specific site conditions.

Our staff will take care of the entire permit process for you and inform you if/when the permit is approved, and schedule a date for removal.

TREE PRESERVATION PLANS AND ARBORIST REPORTS FOR CONSTRUCTION AND DEVELOPMENT

If trees are located on your property, any development, construction, or home renovations in TorontoMississaugaOakville, Richmond Hill, VaughanBurlington, or Markham, require an Arborist Report and Tree Preservation Plan for permit approvals by the Urban Forestry of your municipality. The submission of a professional Arborist Report and Tree Preservation Plan enables a more efficient review of construction and development applications, in regards to tree protection, tree injuries or tree removals, resulting in fewer delays in permit approvals.

At Cohen and Master, our ISA Certified Consulting Arborists produce professional Arborist Reports and Tree Preservation Plans that will satisfy Tree Protection By-laws and regulation requirements, while advising our clients through the permit process.  As part of the process, we will provide recommendations for tree replanting, recommending tree species that have been pre-approved by the city and are appropriate for your specific site conditions.

TREE RISK ASSESSMENTS

Our Tree Risk Assessment Qualified (TRAQ) Arborists will inspect your trees health and integrity, identifying potential issues to help minimize risks to people and property.  We will produce a Tree Risk Assessment Report, assessing and evaluating the level of risk of individual trees or larger tree stands using International Society of Arboriculture standards and best management practices.  In doing so, we will provide recommendations and mitigation measures to help minimize liability for identified risks.

ARBORIST ON-SITE

At Cohen and Master, we have the knowledge, expertise, and specialized tools to help protect trees and minimize construction injuries.  An Arborist On-Site is often a necessary requirement for a tree injury permit to be issued by the City of Toronto Urban Forestry and other municipal Urban Forestry Authorities in the GTA, for trees being impacted by construction activities.

Our ISA Certified Arborists will work with you on-site to provide expert advice to your contractors or project managers, including a report with recommendations required to proceed with construction and development activities within Tree Protection Zones.

  • Expert opinion on-site to avoid excessive damage to roots and canopy during construction
  • Root excavation and exploration, using non-invasive air excavation tools
  • Root Pruning

  • Documentation and report writing

RAVINE ARBORIST REPORT & RAVINE STEWARDSHIP PLAN

If trees are located on your ravine property, any development, construction, or home renovations in the City of Toronto and other municipal Urban Forestry Authorities in the GTA require a Ravine Arborist Report, Tree Preservation Plan, or a Ravine Stewardship Plan for permit approvals.

At Cohen and Master, our ISA Certified Consulting Arborists produce professional Ravine Arborist Reports, Tree Preservation Plans, and Ravine Stewardship Plans specifically written for your project objectives.  We work with our clients to provide Ravine Arborist Reports, Tree Preservation Plans, and Ravine Stewardship Plans that will satisfy City of Toronto Ravine and Natural Features By-laws and regulations, while advising you through the ravine permit process. This enables a more efficient review of ravine construction and development applications, resulting in fewer delays in permit approvals.

ROOT EXPLORATION & REPORT

A Root Exploration and Report are often a mandatory requirement by City of Toronto Urban Forestry and other municipal Urban Forestry Authorities in the GTA, for permit approvals for construction activities within Tree Protection Zones where trees are being impacted by construction activities.  This enables for an efficient review by the city to make decisions on Tree Injury Permits and results in fewer delays in permit approvals.

A Root Exploration is conducted using the Air Spade System, exposing roots using a specialized pneumatic air tool with a supersonic nozzle that is strong enough to blow away soil from roots, but is gentle enough not to harm the roots.  Once the roots are day lighted, we provide information in a report that can be submitted to the city advising on construction impacts, with recommendations that can include root pruning, additional soil renovation, or other tree care options, to minimize construction impacts to your trees.

SONIC TOMOGRAPHY

A sonic tomograph is an instrument used to study the internal structure of trees. It’s an ultrasound for trees.  It is used to look for hollows, decay and cracks inside the trunk of a tree.

Sensors are placed around the tree and connected to the tomograph computer with a cable.

Then, a special sonic hammer is used to tap on each sensor in sequence. This produces soundwaves throughout the tree.

The sound wave paths are measured by the sensors. The sound waves will move differently if the wood is solid damaged, decayed or void. The computer will generate a map of the cross section of the tree.

It shows decay, cavities structural defects or cracks within the cross section area.

It tells us about remaining tree wall thickness and the percentage of solid, decayed, or damaged wood.

It works because solid wood is a better sound wave conductor than wood that is decayed or structurally damaged.

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