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CITY OF WEST CHICAGO
INFRASTRUCTURE COMMITTEE
AGENDA ITEM SUMMARY
ITEM TITLE:
AGENDA ITEM NUMBER: __/- B.
Resolution No. 19-R-0003 — Contract Award — Emerald Tree
Care, LLC for the 2019 Emerald Ash Borer Insecticidal
Treatment Program COMMITTEE AGENDA DATE: January 3, 2019
COUNCIL AGENDA DATE: January 7, 2019
STAFF REVIEW: Robert E. Flatter, P.E., Director of Public Works swung ZA
APPROVED BY CITY ADMINISTRATOR: Michael L. Guttman
SIGNATURE.
ITEM SUMMARY:
Emerald Tree Care, LLC has provided annual Emerald Ash Borer (EAB) treatment services related to the
application of insecticidal treatments, in the form of trunk injections and Basil System Soil Injections, to manage
the spread and negative impact of the EAB since 2011. There are currently approximately 1,336 City-owned Ash
trees that would require treatment in 2019.
In April 2017, Council approved Resolution No. 17-R-0017 authorizing the Mayor to execute Contract Amendment
No. 1 to the initial Agreement with Emerald Tree Care LLC, for the Annual Emerald Ash Borer Insecticidal
Treatment Program for the purpose of using a new product, Boxer (a.k.a. Emamectin Benzoate) which was
released in 2015. This new product was administered with the same Wedgle (non-drilling) trunk injection method,
but the trunk treatment lasts for two years. This increased the trunk injection cost by $0.30 per inch diameter for
2017, but saved $44,894.10 over a two-year period, eliminating the need for trunk injections in 2018.
Wayne White of Emerald Tree Care has provided the City a “2019 Plant Healthcare Estimate” letter with his
recommendation for continuing a monitor and treatment program for the City’s Ash trees. In said letter Mr. White
recommends the continued use of Boxer for trunk injections every other year and annual soil injections using
“Imidicloprid”. A proposal for soil treatment for 2019 in the amount of $76,275.00, at the same unit price as the
previous contract(s), is attached for your information.
To date there have been approximately 500 Ash trees lost since EAB treatment began in 2011, or about 27% of
the original treatment set. Many of these trees were lost due to storm related damage or other reasons; however
the majority were removed due to failing health caused by early damage from the EAB.
Staff recommends continuing trunk injections and soil treatment in 2019, along with continued monitoring of the
City’s Ash trees and conducting a full evaluation of all remaining Ash trees prior to fall. Once this evaluation is
complete results of the survey will be presented to Committee to assess the benefits of continuing application of
insecticidal treatments for the EAB.
There is $80,000.00 budgeted in the Capital Projects Fund for EAB Insecticidal Treatment Program.
ACTIONS PROPOSED:
Approve Resolution No. 19-R-0003 authorizing the Mayor to execute a Contract with Emerald Tree Card, LLC of
Carol Stream, Illinois, for the 2019 Emerald Ash Borer Insecticidal Treatment Program for trunk injections with
“Boxer” at the unit price of $3.20 per inch diameter and soil treatment with “Imidicloprid” at the unit price of $1.25
per inch diameter.

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CITY OF WEST CHICAGO
COMMITTEE RECOMMENDATION:
The Infrastructure Committee voted 6-0 for approval.