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CITY OF WEST CHICAGO
INFRASTRUCTURE COMMITTEE
AGENDA ITEM SUMMARY
ITEM TITLE:
AGENDA ITEM NUMBER: __/- &.
Resolution No. 24-R-0088 — Amendment No. 2 — Thomas
Engineering Group, LLC -— Phase Ill Construction
Oversight Services of Public Improvements Constructed by
Pulte Home Company, LLC for the Trillium Farm
Subdivision Development Project in the Amount Not to
Exceed $7,196.83 for a Revised Contract Amount of
$183,683.91
COMMITTEE AGENDA DATE: December 5, 2024
COUNCIL AGENDA DATE: December 16, 2024
STAFF REVIEW: Mehul T. Patel, P.E. CFM, Director of Public Works SIGNATURE.
APPROVED BY CITY ADMINISTRATOR: Michael L. Guttman SIGNATURE
ITEM SUMMARY:
Pulte Home Company, LLC developed an 84-home residential subdivision, known as Trillium Farm, on
approximately 34.97 acres of land generally located at the southeast corner of Gary’s Mill Road and
Purnell Road originally in unincorporated DuPage County. On August 19, 2024, the City Council
approved Ordinance No. 24-O0-0025 for the annexation of the Trillium Farm Residential Subdivision. The
subdivision includes the construction of substantial public improvements, including, but not limited to,
approximately 8,500 lineal feet of watermain and appurtenances, approximately 5,000 lineal feet of
sanitary sewer main and appurtenance, approximately 7,000 lineal feet of storm sewer pipe and
appurtenances, approximately 0.87 miles of residential roadways, approximately 27,300 square feet of
public sidewalk, and a complete street light system.
With a Pre-Annexation Agreement executed between Pulte Home Company, LLC and the City of West
Chicago, the public improvements ultimately would become the ownership and maintenance
responsibility of the City of West Chicago. Therefore, although the said subdivision was originally being
constructed in unincorporated DuPage County, it was important for the City to conduct full-time
construction observation and inspection services for all public improvements to ensure compliance with
the City Code of Ordinance and standards.
For the Phase Ill construction oversight services, the City Council awarded the original contract to
Thomas Engineering Group, LLC (TEG) under Resolution No. 20-R-0049 for an amount not to exceed
$109,830.24 and Amendment No. 1 under Resolution No. 21-R-0067 for an amount not to exceed
$66,656.84, for a total contract amount of $176,487.08.
To properly conduct field observation and to formally close out the development project in accordance
with the Pre-Annexation Agreement and the City Code of Ordinance, there was a need for additional
Phase III construction observation services from TEG. The factors that led to additional services included
extensive final inspection and the punch list items prior to acceptance, subcontractor scheduling delays,
and requirements for additional oversight for driveway aprons in the public right-of-way during the
construction phase. Additional Phase III construction observation services performed by TEG amount to
$7,196.83 for a revised contract amount of $183,683.91.

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CITY OF WEST CHICAGO
The overage of $7,196.83 will be funded from the fund balance in the FY 2024 Budget under Capital
Projects Fund Account No. 08-34-53-4225. All costs incurred for the Phase III construction observation
services, plus a 25% administrative fee, will be reimbursed from Pulte Home Company, LLC per the Pre-
Annexation Agreement and Appendix G of the City Code.
ACTIONS PROPOSED:
Approve Resolution No. 24-R-0088 authorizing the Mayor to execute a contract Amendment No. 2 with
Thomas Engineering Group, LLC for construction oversight services of public improvements constructed
by Pulte Home Company, LLC, for the Trillium Farm Subdivision Development Project, for an amount not
to exceed $7,196.83 for a revised contract amount of $183,683.91.
COMMITTEE RECOMMENDATION:
The Infrastructure Committee voted 7-0 for approval.