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Jason Korkidakis walking up to a tree to assess it
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Consulting arborist retainer

Your consulting arborist, on retainer.

Jason assesses the trees across the properties you manage and writes the spec for any work. You tender it to the contractors you choose.

Talk to Jason about a retainer See a sample spec and plan
ISA Certified Arborist ON-3263ATRAQ qualifiedPPQ qualified5,000+ tree assessments
What’s included

Independent advice, written down.

The exact mix is agreed with you. These are the building blocks.

Site assessmentsJason visits when a board or resident raises a tree concern, or on a schedule you agree.
Written specs and SOPsExactly what work each tree needs, to what standard, with site rules for contractors.
Like-for-like tenderingOne document every contractor prices, with a set price layout so bids line up.
Questions from contractorsOne person to answer scope questions, so every bidder gets the same answer.
Board-ready summariesPlain-language notes on what’s needed and why, for board packages and meetings.
A record for every treeTree IDs, findings and decisions kept together, property by property.
How it works

Five steps, every time.

01Set up the retainerWe agree which properties are covered and how you want to work: as issues come up, on a schedule, or both.
02Jason assessesHe walks the property, looks at the trees in question and records what he finds.
03He writes the specWhich trees, exactly what work, to what standard, and the site rules every contractor must follow.
04You tender itSend the same spec to any tree companies you choose. Every bid prices the same job.
05Compare like for likeJason can answer contractor questions and help you and the board read the bids against the spec.

Example spec

The document every bidder gets.

Short, specific and tied to tree IDs on a site plan. Here is the shape of one.

Scope
Which trees, by ID and location
Work
Exactly what to do to each tree, and what not to do
Standards
The arboricultural standard the work must meet
Site rules
Protection, closures, clean-up, insurance and WSIB
Price layout
One line per tree, so bids compare line by line

The document on the right is an example

Example work specification
For tender to any contractor

Courtyard zone: pruning and removals

Spec ref. EX-01 · Prepared by Jason Korkidakis, ISA Certified Arborist ON-3263A
Trees in scope
T-01 to T-03, tagged and shown on the site plan
T-01
Remove to grade. Grind stump; backfill and seed.
T-02
Functional pruning: dead, damaged, crossing branches only
T-03
Reduce end weight on limbs over the walkway. No topping.
Site requirements
  1. Ground protection on lawns and walkways
  2. Walkway closed and signed during work
  3. All wood and debris removed the same day
  4. Contractor confirms insurance and WSIB before start
Price it as
  1. One line per tree, plus stump grinding as a separate line
  2. Total before HST, with HST shown
Example only. Real specs are written per property.Koala Tree · London, ON
Why it matters

Separate the advice from the sale.

When the company quoting also decides the scope, every quote is a different job. A consulting arborist fixes that.

Like-for-like bidsEvery contractor prices the same trees and the same work.
The right workDecided by an ISA Certified Arborist, not by the lowest bidder.
Defensible decisionsA written spec the board can point to when owners ask why.
Less riskTRAQ-based risk ratings put the right trees first.
Jason Korkidakis, ISA Certified Arborist, seated outdoors
Your consulting arborist

Jason Korkidakis

Jason has run Koala Tree since 2020 and brings a decade of experience in professional tree care and more than 5,000 tree assessments to every spec he writes.

He is an ISA Certified Arborist (ON-3263A), TRAQ qualified for tree risk assessment and PPQ (Prescription Pruning Qualification) qualified for pruning, so risk ratings and priorities in your inventory are made on a recognised method, not a hunch.

ISA Certified Arborist ON-3263ATRAQ qualifiedPPQ qualified5,000+ tree assessmentsSince 2020

When you also want Koala Tree to do the work

8-person crewCrane workSpider liftChipper and chipper truckMechanical lifting machinesStump grinder
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FAQ

Retainer questions

Which properties does the retainer cover?

The ones you choose. Some managers start with one or two buildings, others cover the whole portfolio. Talk to Jason about what fits.

Do we have to use Koala Tree for the work?

No. The spec is written for any qualified contractor. Koala Tree can quote if you invite us.

Can we combine the retainer with a tree inventory?

Yes. The inventory gives each property a full tree record and a multi-year plan. The retainer then turns each year of that plan into a spec to tender.

How is it priced?

It depends on the number of properties and how you want to work. Jason will put together a proposal for your portfolio.

Koala Tree spider lift boom extended up into a large tree
Better trees. Better decisions.

Make every tree tender fair.

Talk to Jason about a consulting retainer for the properties you manage.

Prefer to talk? Call 226-224-5877 · Mon to Fri, 8:00 am to 6:00 pm · info@koalatree.ca

Talk to Jason about a retainerOne consulting arborist for every property you manage
Request a tree inventoryEvery tree recorded, with a multi-year plan
Get a quoteYou know the work the property needs