CITY COUNCIL AGENDA ITEM
ACTION REQUESTED:
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Approve the award of Change Order #1 to Contract 26-015, North Central College Riverwalk Park - 430 S. Washington St., to Baumgartner Construction, Inc. for an amount not to exceed $75,000 and a total award of $2,124,192.32
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DEPARTMENT: Transportation, Engineering and Development
SUBMITTED BY: Jennifer Louden, Director
BOARD/COMMISSION REVIEW:
N/A
BACKGROUND:
On May 19, 2026, the City Council awarded Contract 26-015 to Baumgartner Construction, Inc. in the amount of $2,049,192.32, plus a 3% contingency, with a contract completion date of October 30, 2026.
The project will extend the low-flow Riverwalk path to provide ADA-compliant pedestrian connectivity between the Washington Street Bridge and the Moser Covered Bridge. The improvements also include the construction of two public gathering plazas that highlight the history of North Central College. The project is identified in the 2031 Riverwalk Master Plan.
To support the project, the City has secured multiple State of Illinois grants totaling $1.3 million for design engineering and construction.
A preconstruction meeting was held on May 28, 2026, and construction activities have commenced.
DISCUSSION:
This Change Order is requested to cover costs associated with the removal of an unanticipated underground storage tank (UST), including required soil sampling, laboratory analysis, and environmental reporting.
During excavation and disposal of previously identified non-hazardous waste materials on the site, an unknown underground storage tank was encountered. Prior to construction, the site underwent multiple rounds of environmental investigation and testing to delineate known areas of contamination; however, the UST was not identified during those efforts. In accordance with environmental regulations, the tank must be removed by specialized contractors and the surrounding soils evaluated before construction activities can proceed within the affected ...
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