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CITY OF WEST CHICAGO
INFRASTRUCTURE COMMITTEE
AGENDA ITEM SUMMARY
ITEM TITLE:
AGENDA ITEM NUMBER: 8.8.
Change Order No.1 & Final - 2020 Emerald Ash Borer
Insecticidal Treatment Program
COMMITTEE AGENDA DATE: December 3, 2020
COUNCIL AGENDA DATE: December 7, 2020
STAFF REVIEW: Robert E. Flatter, P.E., Director of Public Works Se
APPROVED BY CITY ADMINISTRATOR: Michael L. Guttman SIGNATU
ITEM SUMMARY:
On Friday, August 28, 2020, the City Administrator executed a Contract with Emerald Tree Care, LLC of
Roselle, Illinois, to provide Basil System Soil injections as part of the on-going Citywide Emerald Ash
Borer (EAB) Insecticidal Treatment Program. Treatment consists of Basil System Soil injections with an
insecticide known as Imidacloprid and balanced with fertilizers, micronutrients, and organic bio-stimulants
to support plant functions, promote root growth, improve overall plant health, and to manage the spread
and negative impact of the EAB for Ash trees in various parkway and other City owned property
locations. The Fiscal Year 2020 contract was executed for an amount not to exceed $19,950.00, which
was based on treatment for an estimated 15,960 diameter inches at a treatment cost of $1.25 per inch
diameter. However, the final cost of services is to be based on actual field measurements taken at the
time of treatment.
The actual treated Ash tree total for Fiscal Year 2020 was 1,242 trees with a measured overall total of
17,778 diameter inches (1,818 diameter inch increase over the estimated amount), resulting in an overall
contract amount of $22,222.50 for services rendered. The additional cost of $2,272.50 for the 2020
Emerald Ash Borer Insecticidal Treatment Program results in a final contract value that exceeds the
spending authority of the City Administrator.
Therefore, staff recommends approval of Change Order No. 1 and Final, in the amount of $2,272.50, to
the Contract with Emerald Tree Care, LLC of Roselle, Illinois, for 2020 Emerald Ash Borer Insecticidal
Treatment Program, resulting in an overall contract total of $22,222.50.
ACTIONS PROPOSED:
Approve Change Order No. 1 and Final, in the amount of $2,272.50, to the Contract with Emerald Tree
Care, LLC of Roselle, Illinois, for 2020 Emerald Ash Borer Insecticidal Treatment Program, resulting in an
overall contract total of $22,222.50.
COMMITTEE RECOMMENDATION:
Pending recommendation from the Infrastructure Committee at its meeting on December 3, 2020. If not
approved by Committee on December 3, 2020, this Item will go to the December 21, 2020, City Council
Meeting.