REQUEST FOR QUALIFICATIONS For Preliminary Engineering Services (Phase 1 & 2) for Frontage Road -- Old Collinsville Roundabout RFQ Issued: November 4, 2026 Response Due: November 18, 2026 The City of O'Fallon, Illinois is issuing a Request for Qualifications ("RFQ") to IDOT Prequalified Engineering firms for preliminary engineering services for the Frontage Road -- Old Collinsville Roundabout Project. In order to have your firm considered, please submit RFQ in a sealed envelope containing three (3) copies, marked "Frontage Road -- Old Collinsville Roundabout Preliminary and Design Engineering Services". Proposals must be received at the City of O'Fallon City Hall, ATTN: Department of Public Works, 2nd Floor, 255 South Lincoln Avenue, O'Fallon, IL 62269, no later than November 18, 2026 at 5:00 P.M. (CST). Proposals received after the closing time and date will be returned unopened. I. GENERAL INFORMATION, TERMS AND CONDITIONS A. SELECTION PROCESS A.01 General Purpose: Procurement of professional services to provide preliminary engineering in accordance with IDOT standards. A.02 Responses to the Request: The firm shall submit a response to the RFQ which will be evaluated and ranked by the Engineering Group from the City of O'Fallon Public Works Department. A.03 Submission Requirements: Three (3) copies of the RFQ submittal are requested. Lengthy submittals are discouraged; please keep them short and readable. B. TERMS AND CONDITIONS B.01 Reserved Rights: The City of O'Fallon reserves the right at any time and for any reason to cancel this consultant procurement process, to reject any or all proposals, or to accept an alternative proposal. The City and/or staff may seek clarification from an offer at any time and respond promptly if there is cause for rejection. B.02 Criteria for Selection: The consultant selection shall be based on the evaluation of the firm's proposal by a selection committee. The selection committee shall consist of a panel of engineering professionals employed by the City of O'Fallon. The Group follows qualifications-based consultant selection procedures The City of O'Fallon reserves the right to consider any proposal and to reject any and all proposals if doing so best serves the public interest. The following criteria will be used to evaluate and rank the Project Proposals: B.03.1 Firm Experience: This refers to the background, history and structure of the firm. B.03.2 Specialized Experience: This refers to the exact type and nature of the service to be provided. Modification or expansion of the scope of services is encouraged where the consultant feels essential elements have been overlooked by the Group. However, each of the listed work elements must be addressed in some manner to qualify for consideration. Explain and support how your firm is uniquely qualified to provide this service to the City of O'Fallon. Give details of your experience in completing similar public works projects, firm experience and past performance. B.03.3 Staff Capabilities (Prime/Sub): Whether the personnel assigned to the project have the knowledge, experience, education and qualifications necessary to successfully perform this task. B.03.4 Scheduling/Work Load Capacity: This refers to the firm's proposed workload and the capability to provide adequate personnel. B.03.5 In-State or Local Presence: Proximity of the firm and assigned personnel to the City of O'Fallon. B.03.6 The above categories will be used to evaluate the firm based on the following weight ranking work sheet: Criteria Max Points Points * Firm Experience 10 * Specialized Experience 30 * Staff Capabilities (Prime/Sub) 25 * Work Load Capacity 25 * In-State or Local Presence 10 Total Maximum points 100 Confidentiality: All submissions submitted by the firm shall be confidential and may not be discussed or shared. C. SUBMITTAL CONTENT C.01.1 The Firm: Include Main Contact Information, Background, History and Structure. C.01.2 Terms and Conditions: List any terms and conditions, which may apply to a contract and are not included in this Scope of Services. C.01.3 References: List at least three references, which you believe support your firm and the RE's qualifications to complete a project. C.01.4 Personnel: Provide Resume(s) and details of the Design Engineer(s) you are proposing. Details shall include similar size and type of project experience, how they manage their staff and sub-consultants, knowledge they have used to ensure the successful completion of a complicated project including organizational skills, public notification, management style, budgeting time, conflict resolution and client communication. List any other office personnel who will be directly involved as well as any additional projects the on-site staff will be managing simultaneously to the proposed project. Focus shall be on the engineers that you plan to assign to the project. C.01.5 Conflict of Interest: Complete and submit the IDOT BDE DISC 2 Template. II. DESIGN ENGINEER FOR FRONTAGE ROAD -- OLD COLLINSVILLE ROUNDABOUT PROJECT. PROJECT SCOPE The project consists of redesigning and reconstructing the existing intersection at Old Collinsville Road and Frontage Road into roundabout intersection. Work also includes pedestrian accommodations, curb and gutter, sidewalk, pavement marking, traffic control and drainage improvements. Project details are available on the City website. A PDF of the conceptual plan can be obtained by contacting the City of O'Fallon Public Works Department. Plans can also be viewed at City Hall. This project is largely funded by a federal grant from the Congestion Mitigation and Air Quality Improvement Program. Anticipated letting date is in fall 2027. III. SCOPE OF SERVICES The scope of services shall meet IDOT standard preliminary engineering services agreement for local agency agreement. These services include detailed surveying for planning and design, attending project coordination meetings, preparing environmental and planning documentation, preparing intersection design studies and traffic counts, completing general and detailed plans and specifications, computing quantities and establishing pay items, creating estimate of cost and estimate of time, utility coordination, public meetings and notifications, and other appurtenant activities associated with preliminary engineering.