I-20-4720 Notice of Award_Signed.pdf

Notice of Award Form

State of Illinois Chief Procurement Office for General Services Notice of Award v.25.2

Agency and Awarded Vendor Information

Description: I-20-4720 Elgin O'Hare Western Access Tollway (I-490) Roadway and Bridge Construction, Supreme Drive to I-90 Mile Post 3.9 to Mile Post 6.3

Bid Number: 26-557THA-ENGCO-B-51663 Agency: ISTHA - Illinois State Toll Highway Authority

Vendor Selected for Award: Dunnet Bay Construction Company

Line Item Description:

The Illinois State Toll Highway Authority (ISTHA) is giving notice of intent to award Contract I-20-4720 to Dunnet Bay Construction Company. This construction contract provides for roadway and bridge construction work between Supreme Drive and I-90. The work includes mainline and ramp pavement construction, earthwork, bridge construction, protection of aviation operation equipment and utilities, retaining wall construction, building demolition, drainage improvements, erosion and sediment control, landscaping, traffic signal, fencing, lighting and intelligent transportation systems (ITS) infrastructure installation; toll plaza facility construction, maintenance of traffic and other miscellaneous work.

Total Award Amount $177,874,997.12 Number of unsuccessful bidders/offerors 4

Terms (Add Renewal Terms as appropriate) Length Value

Initial Term 9/14/2026-10/02/2030 $177,874,997.12

Renewal Term 2 years

Delete Renewal Term Add Renewal Term 1,2,3

Farm Leases and Concessions

Value to the State: N/A Estimated Financial Return to the State for the Life of the Contract (Includes Renewals)

Value to the Vendor: N/A Estimated Gross Revenue to the Vendor for the Life of the Contract (Includes Renewals)

Business Enterprise Program/Veterans Business Program Awarded bidder/offeror BEP/VBP Utilization Plan Goals 30 ILCS 575/7 (6)

% of VBP Per Utilization Plan:

0.86%(VOSB % of BEP Per Utilization Plan:

25.07%(DBE

Notice of Award v.25.2

List each bidder or offeror's name

Total bid amount

The name(s) of the certified BEP vendor(s) identified in the bidder's or offeror's submitted utilization plan

The Percentage of the bid's amount awarded to certified BEP vendor(s) identified in the utilization plan

OHLA Central, Inc. $179,448,058.62

Herlihy Mid-Continent, R.W. Dunteman, & Areatha Co.

$181,584,656.95

Walsh Construction Company II, LLC $185,939,536.62

F.H. Paschen, S.N. Nielsen & Assoc.,LLC $191,712,620.69

Dunnet Bay Construction Company $177,874,997.12

*NA indicates that the offeror's pricing remained sealed.

Add Row Delete Row

Agency Contact

Contact Name: Vanessa Ramos Telephone Number: 630-241-6800

Email Address: vramos@getipass.com Fax Number:

Street Address: 2700 Ogden Avenue City: Downers Grove

State: Illinois Zip Code: 60515

Notice of Award v.25.2

SPO Written Determination for Contract Award Decision

General - Applies to Split Awards, Award to Other than Lowest Responsible and Responsive Bidder. The Rationale described by the purchasing agency in the recommendation to award seems reasonable, and serves as the basis for the contract decision.

Invitation for Bid - The contract was procured through the Invitation for Bid Process, and the contract has been awarded to the lowest priced responsive and responsible bidder.

Invitation for Bid award with Domestic Products preference - The contract was procured through the Invitation for Bid Process, and the contract has been awarded to the lowest priced responsive and responsible bidder by applying the Procurement of Domestic Products Act (30 ILCS 517) preference.

Request for Proposal - Based on factors set forth in the Request for Proposal, the contract has been awarded to the offeror whose proposal is most advantageous to the State.

Other:

Signature Field Date: Jul 29, 2026

State of Illinois Chief Procurement Office for General Services Notice of Award v.25.2 Page of Agency and Awarded Vendor Information Terms (Add Renewal Terms as appropriate) Length Value Initial Term Farm Leases and Concessions Estimated Financial Return to the State for the Life of the Contract (Includes Renewals) Estimated Gross Revenue to the Vendor for the Life of the Contract (Includes Renewals) Business Enterprise Program/Veterans Business Program Awarded bidder/offeror BEP/VBP Utilization Plan Goals 30 ILCS 575/7 (6) List each bidder or offeror's name Total bid amount The name(s) of the certified BEP vendor(s) identified in the bidder's or offeror's submitted utilization plan The Percentage of the bid's amount awarded to certified BEP vendor(s) identified in the utilization plan *NA indicates that the offeror's pricing remained sealed.

Agency Contact SPO Written Determination for Contract Award Decision 11.0.0.20130303.1.892433.887364

retaining wall construction, building demolition, drainage improvements, erosion and sediment control, landscaping, traffic signal, fencing, lighting and intelligent transportation systems (ITS) infrastructure installation; toll plaza facility construction, maintenance of traffic and other miscellaneous work.