https://cook-county.legistar.com/Gateway.aspx?M=LD&From=RSS&ID=7940429&GUID=926B76E1-C097-48CF-95A1-4945E02A8FBALegistar15https://cook-county.legistar.com/Gateway.aspx?M=LD&From=RSS&ID=7940429&GUID=926B76E1-C097-48CF-95A1-4945E02A8FBA926B76E1-C097-48CF-95A1-4945E02A8FBA-2026-05-19-17-36-47Title: PROPOSED CONTRACT AMENDMENT (TRANSPORTATION AND HIGHWAYS) Department(s): Transportation and Highways Vendor: R.W. Dunteman Company, Addison, Illinois Request: Authorization for the Chief Procurement Officer to increase contract Good(s) or Service(s): Construction Service Location: Lake Cook Road Patching Project - IL Route 53 to Arlington Heights Road, Hastings Drive to US Route 45, and Wilmot Road Intersection County Board District(s): 14 Original Contract Period: 10/7/2024 - 8/31/2028 Section: 24-A5012-00-PV Proposed Contract Period Extension: N/A Section: N/A Total Current Contract Amount Authority: $7,271,849.21 Original Board Approval: 9/19/2024, $7,271,849.21 Previous Board Increase(s) or Extension(s): N/A Previous Chief Procurement Officer Increase(s) or Extension(s): N/A Contract Utilization: The vendor has met the Minority - and Women-Owned Business Enterprise Ordinance via: Direct Participation and partial MBE & WBE Waiver. This Increase Requested: $1,106,860.72 Potential Fiscal Impact: FY 202Tue, 19 May 2026 17:36:47 GMT