Illinois State Toll Highway Authority Contract No. I-25-2033 Addendum No. 2 Page 1 of 2 3/5/2026

ADDENDUM NO. 2

TO

CONTRACT REQUIREMENTS

FOR CONTRACT I-25-2033

ILLINOIS STATE TOLL HIGHWAY AUTHORITY

Date: 3/5/2026

For which proposals will be received by the Illinois State Toll Highway Authority through electronic bidding via BidBuy until

10:30:00 A.M. local time on March 27, 2026.

NOTICE OF REVISION TO CONTRACT

NOTES:

1. The Bid opening date has been revised. Sealed proposals for the above numbered Contract will be received by the

Illinois State Toll Highway Authority through electronic bidding via BidBuy, until 10:30:00 a.m., local time, March 27, 2026, at which the Proposals will be opened and the bids read aloud. Replace page A-1 with the attached page A-1R.

Replace page P-1 with the attached page P-1R.

2. Responses to Request for Information received from the Plan Holders are included in this Addendum.

Addendum No. 2 Page 2 of 2 3/5/2026

CHANGES TO THE CONTRACT REQUIREMENTS

CHANGES TO THE ADVERTISEMENT FOR SEALED BID

Change #1 Contract Requirements, Volume I, Advertisement, replace page A-1 with page A-1R (attached) and

Contract Requirements, Volume I, Proposal, replace page P-1 with page P-1R (attached). This replacement contains the following revisions:

1.1. Revised the Bid opening date from March 20, 2026 to March 27, 2026.

1.2. Revised the last day of questions from March 2, 2026 to March 9, 2026.

THE ILLINOIS STATE TOLL HIGHWAY AUTHORITY

ADVERTISEMENT FOR BIDS

Bid Schedule and Information for

CONTRACT NO: 1-25-2033

Electronic submissions for the above numbered contract as described below will be received by the Illinois Tollway via BidBuy, the State of Illinois eProcurement System, until 10:30:00 a.m. local time on March 2 . 2026. The Illinois State Tollway Highway Authority (ISTHA) will no longer accept manual, hard copy bid submissions. All bidders are strongly encouraged to submit bids timely as the system will not accept late bid submittals. Bid results will be posted on the Tollway's on-line plan room:

www.illinoistollwaybidding.com.

For assistance with registration in BidBuy or submitting electronic bids, please contact the BidBuy Vendor Help Desk at:

il.bidbuy@illinois.gov and /or phone: 866-455-2897.

The optional pre-bid meeting will be held through Microsoft Teams on February 23. 2026 at 3:00 p.m .. The meeting information is listed on the A-2 page.

The work to be done under this contract shall be started on or about June 15. 2026. All work under this contract shall be completed by November 30. 2027. The location of the services to be performed for this contract is the Tri-State Tollway (1-294) between Mile Post 23.0 (Flagg Creek) and Mile Post 29.5 (Cermak Road) in Cook County, Illinois. The work under this contract includes mainline and shoulder surface removal and overlay, ramp and ramp shoulder surface removal and overlay, ramp pavement patching, bike trail and oasis access road repairs, pavement markings, maintenance of traffic, and other miscellaneous work.

Bidders may be required to be pre-qualified by the Illinois Department of Transportation (IDOT).

IDOT Prequalification required: Yes

If 'NO', ignore any reference to IDOT Prequalification within the remainder of this document.

Joint Ventures shall be limited to no more than three (3) individually IDOT pre-qualified members.

Bidders are also required to be registered, or submit evidence of application, with the Illinois Department of Human Rights (IDHR). There are NO EXCEPTIONS.

Please note that written or oral communications received by the Illinois Tollway in connection with this solicitation may be required to be reported to the Procurement Policy Board as required by law. This provision is not intended to prohibit communications with State employees regarding a procurement matter, but rather only requires reporting of those communications when they occur.

All bids must be on forms prescribed by the Illinois Tollway and must comply with the terms and conditions set forth in the contract documents. Copies of the plans, special provisions, bid forms and other contract documents for this contract are available from BHFX Digital Imaging and can be viewed and/or ordered for purchase by visiting the On-line Plan Room via www.illinoistollwaybidding.com. Copies of the current Illinois Tollway Supplemental Specifications to the Illinois Department of Transportation Standard Specifications for Road and Bridge Construction can be purchased directly from BHFX Digital Imaging.

The current Illinois Tollway Supplemental Specifications may also be viewed in the 'Doing Business' section on the Tollway website. Current Illinois Department of Transportation Standard Specifications for Road and Bridge Construction, Supplemental Specifications and Recurring Special Provisions can be viewed and purchased from the Illinois Department of Transportation website. Electronic copies of the contract documents are also available on compact disk (CD) from BHFX Digital Imaging.

Copies are in a portable document format (PDF). Bidders with questions or in need of assistance in purchasing contract documents are to contact a BHFX Digital Imaging, Customer Service Representative at 630-393-0777, ask for the Plan Room.

Questions pertaining to the intent of the contract documents may be sent to the Illinois Tollway, attention 4853D.2033_Questions@docs.e-builder.net, to be received no later than 2:00 p.m. local time on March . 2026.

A completed Questionnaire and a statement of current contractual obligations on forms supplied by the Illinois Tollway will be required from the apparent low bidder once the apparent low bidder is determined. Each bid must be accompanied by a Bid Guaranty in the amount of five (5%) percent of the total amount shown in the bid for the contract. The Bid Guaranty shall be in the form of an acceptable bid bond or a bank draft, certified check or cashier's check drawn on a solvent bank made payable to the Illinois State Toll Highway Authority.

Award of the above contract, if any award be made, will be to the lowest responsive and responsible bidder or bidders. The Illinois Tollway reserves the right to reject any and all bids, to waive technicalities, or cancel the solicitation.

COPIES OF PLANS, SPECIAL PROVISIONS, BID FORMS, CONTRACT DOCUMENTS, STANDARD SPECIFICATIONS AND

SUPPLEMENTAL SPECIFICATIONS ARE NOT AVAILABLE AT THE TOLLWAY CENTRAL ADMINISTRA T/ON BUILDING.

DATE: February 18

A-1R

March 5, 2026

P-1

THE ILLINOIS STATE TOLL HIGHWAY AUTHORITY

BID

CONTRACT NO. I-25-2033

Bids will be received electronically via BidBuy, the State of Illinois eProcurement system. All Bids must be received by 10:30 a.m. March 27, 2026. The system will not accept Bids after the deadline. Bids will be immediately thereafter publicly opened online and read aloud.

TO THE CHAIR OF THE ILLINOIS STATE TOLL HIGHWAY AUTHORITY:

The undersigned hereby proposes to perform: Mainline and shoulder surface removal and overlay, ramp and ramp shoulder surface removal and overlay, ramp pavement patching, bike trail and oasis access road repairs, pavement markings, maintenance of traffic, and other miscellaneous work.

The services will be performed within the: Tri-State Tollway (I-294) between Mile Post 23.0 (Flagg Creek) and Mile Post 29.5 (Cermak Road) in Cook County, Illinois.

The undersigned declares that the Advertisement for Bids, Instructions to Bidders, this Bid Form, IDOT Standard Specifications, Tollway Supplemental Specifications, Special Provisions, Plans, Addenda to the foregoing (if any), form of Agreement, forms of Contract Bonds, and other exhibits (if any), on file at the office of The Illinois State Toll Highway Authority have been carefully examined, and that the undersigned has inspected in detail the site of the proposed Work, and familiarized itself with all of the conditions affecting the contract, and that has satisfied itself as to The Work to be done and the conditions under which it must be carried out, and understands that in submitting this bid waives all rights to plead any misunderstanding regarding the same.

The undersigned hereby tenders this bid to construct and complete said Work in accordance with the Plans, IDOT Standard Specifications, Tollway Supplemental Specifications and the accompanying Special Provisions now on file in the office of The Illinois State Toll Highway Authority, and the following addenda issued thereto:

Addendum No. ________ Date _______________

Addendum No. ________ Date _______________

Addendum No. ________ Date _______________

Addendum No. ________ Date _______________

The undersigned further agrees to furnish all necessary transportation, machinery, equipment, tools, labor and other means of construction; and to do all the work and to furnish all of the materials specified in the contract in the manner and at the times prescribed under the supervision and direction of the Tollway or its authorized representatives, for the lump sums and unit prices quoted in the following Schedule of Prices:

R

Addendum No. 2 Page 1 of 1 3/5/2026

FOR CONTRACT I-25-2033

ILLINOIS STATE TOLL HIGHWAY AUTHORITY

Date: 3/5/2026

PLAN HOLDER QUESTIONS

Question No. 1:

Please confirm ISTHA will accept DBE contractors included in the Illinois Unified Certification Program who can perform a commercially useful function regardless if they are not included in the City of Chicago, Illinois or the County of Cook M/WBE directories.

Response No. 1:

Please refer to section 5 of the Special Provisions for Disadvantaged Business Enterprise Participation located in Volume I for accepted certifications:

5. DBE, M/WBE and SBA 8(a) LOCATOR REFERENCES

Bidders should consult the Illinois Unified Certification Program (“ILUCP”) DBE Directory as a reference source for DBEs and the City of Chicago, the County of Cook M/WBE directories as reference sources for M/WBEs in construction certified by the City of Chicago or the County of Cook, or the Small Business Administration SBA 8(a) directory for SBA 8(a)s certified by the Small Business Administration. Only firms certified by the IL-UCP, the City of Chicago, the County of Cook, or the Small Business Administration at the time of bid opening are eligible to be considered for contract award to either meet the contract goal or establish the Bidder’s good faith efforts to do so.