ORIGINAL ADVERTISED DATE: July 6, 2026 DUE DATE: Thursday July 23, 2026 at 3:00 PM MANDATORY PRE-BID CONFERENCE: NONE PROJECT MANAGER: Steve Cieslica, P.E. INVITATION TO BID Notice is hereby given sealed bids will be received by the City of North Chicago for the project entitled FY 2027 System Wide Leak Detection until 3 PM on July 23rd, 2026, at the Building Department, 1850 Lewis Avenue, North Chicago, IL 60064. The Bids will be reviewed, and results will be publicly posted on the City website within 2 weeks. Bids shall be received in a sealed envelope addressed to: City Engineer City of North Chicago 1850 Lewis Avenue North Chicago, IL 60064 The sealed envelope shall be marked in the lower left-hand corner EXACTLY as follows: BID: City Engineer City of North Chicago FY 2027 System Wide Leak Detection Work Description Provide professional services, personnel, and equipment necessary to conduct a comprehensive Leak Detection Survey on potable water main within the City of North Chicago, approximately 64 miles of water main that are 24 inches or less in size. WORK includes planning, field investigation, acoustic leak surveying, data collection, correlation, leak pinpointing, documentation, and reporting. Document Inspection and Procurements The Contract Documents may be inspected and purchased at: Trotter and Associates, Inc. 38 W Grand Ave, Suite 300 Fox Lake, IL 60020 Contact Heidi Patla at h.patla@trotter-inc.com to schedule an appointment or to purchase the contract documents. Hard or electronic copies of the documents are available for purchase. Payment for Contract Documents is non–refundable and shall be payable to Trotter and Associates, Inc. in the form of cash, certified check or money order. No partial sets of specifications or drawings will be issued. The non–refundable cost for plans and specifications is $120.00 for a hard copy and $30.00 for an electronic copy . Addenda will be issued only to plan holders. Wage Rates The contractor shall pay prevailing wages in accordance with Local Ordinance and the Illinois Department of Labor Prevailing Wages for Lake County. Rates can be obtained online at www.state.il.us/Agency/idol/. Questions Questions regarding the project received by 3:00 pm on July 17th, will be answered by addendum. Questions submitted after this deadline may not be answered prior to the close of the bidding period. All questions shall be submitted in writing to: Steve Cieslica, P.E. Project Manager s.cieslica@trotter-inc.com Rejection of Bids The City of North Chicago reserves the right to reject any or all bids or to accept the one which appears to be in the best interest of the City. The City expressly reserves the right to waive any informalities or technical irregularities in a bid if to do so is in the best interest of the City.

FOX RIVER WATER RECLAMATION DISTRICT - ADP WRF BAR SCREEN INSTALLATION Original Advertisement Date: July 1, 2026 MANDATORY PRE-BID: 10:00am, Wednesday July 15, 2026 DUE DATE: 2:00pm, Friday August 7, 2026 Project Manager: Jillian Kiss, P.E. INVITATION TO BID The Fox River Water Reclamation District (the “District”) is accepting sealed Bids for the ADP WRF Bar Screen Installation (the “Project”) at its Albin D. Pagorski Water Reclamation Facility (ADP WRF) Pump Station 10, located at 100 Purify Drive, Elgin, IL 60120 (the “Project Site”). Sealed Bids will be received until 2:00 PM Central Time on August 7, 2026 on forms furnished by the District, at the Administration and Laboratory Building of the Fox River Water Reclamation District, 1957 North La Fox Street (Route 31), South Elgin, Illinois 60177. Immediately thereafter, the Bids will be publicly opened and read aloud. Work Description The Project consists of: 1. Equipment removal 2. Concrete modifications to two existing influent channels for the installation of mechanical bar screening equipment 3. Construction of a new concrete operation deck and staircase 4. Installation of mechanical bar screening equipment and washer compactor equipment 5. Installation of a prefabricated building; and installation of all ancillary electrical and controls to properly operate the proposed equipment. The anticipated Final Completion date for the Project is September 30, 2027. Document Inspection and Procurement Bidding Documents may be obtained in person at the District at its Administration and Laboratory Building, 1957 North La Fox Street (Route 31), South Elgin, Illinois 60177, or may be mailed or emailed upon request by contacting Tim Gualandri, District Engineer, by email at bids@frwrd.com or by telephone at (847) 742- 2068, line #6. A non-refundable fee of $100.00 in the form of a certified or bank check shall be required to obtain printed documents. Additional shipping charges may apply for mailed documents. Addenda will be issued only to plan holders. Bonds Each Bid shall be accompanied by Bid Security in an amount not less than ten percent (10%) of the Bid, payable to the Fox River Water Reclamation District. Mandatory Pre-Bid A mandatory Pre-Bid Conference will be held at the Administration and Laboratory Building of the Fox River Water Reclamation District, 1957 North La Fox Street (Route 31), South Elgin, Illinois 60177, on July 15, 2026, at 10:00 AM Central Time, with a tour of the Project Site to follow. Additional tours may be requested by contacting Tim Gualandri, District Engineer, by email at bids@frwrd.com or by telephone at (847) 742-2068, line #6. Rejection of Bids The District reserves the right to reject any and all Bids, or parts of any and all Bids, to waive any technical errors or omissions in any Bid, to modify or eliminate the scope of work, to award all or part of the scope of work, and to accept any Bid in its entirety or any part thereof if, in the judgment of the District, the best interests of the District will be promoted thereby. Bids shall not be withdrawn and shall remain subject to acceptance for a period of sixty (60) days after the Bid opening date. The Project is subject to the Illinois Prevailing Wage Act, 820 ILCS 130/1 et seq., and Fox River Water Reclamation District Ordinance No. 966, “An Ordinance Establishing Responsible Bidder Requirements on Public Works Projects.” The Project is being financed, in part, with grant funds from the USEPA Community Grant Program, and bidders shall comply with all applicable grant requirements. Compliance with the grant requirements is a condition precedent to the award of the Project and shall remain an ongoing contractual obligation of the Successful Bidder. All questions should be directed to Engineering by email at bids@frwrd.com or by phone at (847) 742-2068, line #6.

VILLAGE OF BARTLETT – 2026 vARIOUS sTREETS rESURFACING Original Advertisement Date : June 30, 2026 DUE DATE: 10:00am, July 10, 2026 Project Manager : Karen Young, P.E., CFM INVITATION TO BID Sealed proposals for the project described below will be received at the office of The Village Clerk, 228 S. Main St., Bartlett, IL 60103, until 10:00 am on Friday, July 10, 2026 . Sealed proposals will be opened and read publicly at the office of The Village Clerk, 228 S. Main St., Bartlett, IL 60103, at 10:00 am on Friday, July 10, 2026. Work Description The proposed improvements include HMA surface removal, HMA pavement patching, HMA binder and surface courses, structure adjustments, ADA sidewalk/curb and gutter/driveway removal and placement, pavement markings, and landscape restoration. Document Inspection and Procurement The Documents and Plans will be available in the office of Village of Barlett website free of charge. https://www.bartlettil.gov/how-do-i/view/village-of-bartlett-bids-and-rfps Bonds Each bid shall be accompanied by a bid bond, bank draft, cashier's check or certified check payable to the order of Village of Bartlett in an amount not less than ten (10) percent of the amount of the bid, as a guaranty that the bidder will execute the contract, if it is awarded, in conformity with the bid form. The successful bidder will be required to furnish a Performance and Payment Bond on forms provided in the Specifications and Contract Documents, in an amount equal to 100 percent of the contract sum. Wage Rates The contractor shall pay prevailing wages in accordance with the Prevailing Aage Act (820 ILCS 130/0.01 et seq.) as defined by the Illinois Department of Labor Prevailing Wages for Cook and DuPage County. Rates can be obtained online at www.state.il.us/Agency/idol/ . Questions Questions regarding the project received by 4:00 pm on Tuesday July 7, 2026, will be answered by addendum. Questions submitted after this deadline may not be answered prior to the close of the bidding period. All questions shall be submitted in writing to: https://www.bartlettil.gov/how-do-i/view/village-of-bartlett-bids-and-rfps Nick Talarico, PE Village Engineer ntalarico@bartlettil.gov Rejection of Bids The Village of Bartlett reserves the right to reject any or all bids. The Association expressly reserves the right to waive any informalities or technical irregularities in a bid.

ORIGINAL ADVERTISED DATE: June 25, 2026 DUE DATE: Friday July 10, 2026, 2:00 PM MANDATORY PRE-BID CONFERENCE: NONE PROJECT MANAGER: Steve Cieslica, P.E. INVITATION TO BID Notice is hereby given sealed proposals will be received by the City of North Chicago for the Project entitled FY2027 Sanitary Sewer Cleaning and Televising until 2:00 p.m. on Friday July 10 th , 2026, at the Building Department (1850 Lewis Avenue, North Chicago, IL 60064). The Bids will be publicly opened and read aloud immediately afterwards in the City Council Chambers. Bids shall be received in a sealed envelope addressed to: City Engineer City of North Chicago 1850 Lewis Avenue North Chicago, IL 60064 The sealed envelope shall be marked in the lower left-hand corner EXACTLY as follows: BID: City Engineer City of North Chicago FY2027 Sanitary Sewer Cleaning and Televising Work Description This project is an annual cleaning and televising of sanitary sewer program for the City of North Chicago. The City has budgeted approximately $170,000 for the annual cleaning and televising program. It is the intent of the program to clean and televise the entire City sanitary sewer system over a multi-year period. If the project is successfully completed, the City may choose to extend the contract for up to two (2) additional one (1) year periods. Document Inspection and Procurements The Contract Documents may be inspected and purchased at: Trotter and Associates, Inc. 38 W Grand Ave, Suite 300 Fox Lake, IL 60020 Contact Heidi Patla at h.patla@trotter-inc.com to schedule an appointment or to purchase the contract documents. Hard or electronic copies of the documents are available for purchase. Payment for Contract Documents is non–refundable and shall be payable to Trotter and Associates, Inc. in the form of cash, certified check or money order. No partial sets of specifications or drawings will be issued. The non–refundable cost for plans and specifications is $150.00 for a hard copy and $50.00 for an electronic copy . Addenda will be issued only to plan holders. Performance Bond The successful Bidder will be required to furnish a performance bond on forms provided in the Specifications and Contract Documents, equal to Fifty Thousand Dollars ($50,000). Wage Rates The successful Bidder also must comply with all of the provisions of the Davis-Bacon Act, Contract Work Hours Standards, the Copeland Act (Anti-kickback), the Illinois Prevailing Wage Act, and Title IV of the Civil Rights Act of 1964. The contractor shall pay prevailing wages in accordance with Local Ordinance and the Illinois Department of Labor Prevailing Wages for Lake County. Rates can be obtained online at www.state.il.us/Agency/idol/ . Questions Questions regarding the project received by 5:00 pm on Wednesday July 8, 2026, will be answered by addendum. Questions submitted after this deadline may not be answered prior to the close of the bidding period. All questions shall be submitted in writing to: Steve Cieslica, P.E. Project Manager s.cieslica@trotter-inc.com Rejection of Bids The City of North Chicago, in accordance with the Laws of the State of Illinois, hereby notifies all Bidders that the City reserves the right to reject any and all Bids, to waive minor informalities or technicalities, to advertise for new bids, or to request confirmation or clarification from any bidder regarding information contained in a bid. The City will affirmatively ensure that the contract entered into pursuant to this advertisement will be awarded to a responsible and responsive Bidder without discrimination on the ground of race, color or national origin, but the Owner reserves the right to reject any or all Bids received and to waive formalities. Your Bid will be required to be submitted under a condition of irrevocability for a period of ninety (90) days after submission.

ORIGINAL ADVERTISED DATE: June 3 rd , 2026 MANDATORY PRE-BID: 10:00 AM Wednesday June 17 th , 2026 DUE DATE: 10:00 AM Wednesday, July 15 th , 2026 Project Contact: Dan Gillespie Invitation to Bid Sealed proposals will be received by the Village of Fox Lake for the project entitled “Tall Oaks Pump House Repair” until 10:00 AM on Wednesday, July 15 th , 2026 , at the Fox Lake Village Hall Offices, located at 66 Thillen Drive Fox Lake, Illinois, 60020. The sealed bids will be publicly opened and read aloud immediately afterwards in the Fox Lake Village Hall Offices, on the same date. Sealed bids shall be addressed to the Village of Fox Lake, 66 Thillen Drive, Fox Lake, IL 60020 and shall be labeled “Bid for Village of Fox Lake Tall Oaks Pump House Repair”. Mandatory Pre-Bid Conference A Mandatory Pre–Bid Conference will be held on Wednesday, June 17 th , 2026 at 10:00 AM at the Tall Oaks Facility, 1201 Grass Lake Road, Fox Lake, Illinois, 60020. Bidders/Contractors not attending the Pre-Bid Conferences shall have their bids rejected. Work Description Work associated with the Village of Fox Lake Tall Oaks Pump House includes: Site Work Installation of duct bank from the existing generator to the new ATS at the pump house. Pump House Removal and replacement of the upper portion of the existing exterior CMU walls. Removal of the existing roofing system, to be replaced with a wood truss roofing system. Removal and replacement of exhaust fans and electric unit heaters. Selective removal and replacement of electrical items. Installation of ATS and integration into the existing building electrical system. Document Inspection and Procurement The Contract Documents may be inspected and purchased at the following locations. Trotter and Associates, Inc. 40W201 Wasco Rd. Suite D St. Charles, Illinois 60175 630/587–0470 Payment for Contract Documents is non–refundable and shall be payable to Trotter and Associates, Inc. in the form of cash, certified check or money order. No partial sets of specifications or drawings will be issued. The non–refundable cost for hard-copies of drawings and specifications is $120.00. The non–refundable cost for electronic (PDF) copies of drawings and specifications is $30.00. Addenda will be issued only to plan holders. Contact Jessy Stouffer at j.stouffer@trotter-inc.com to purchase the contract documents. Questions Questions regarding the project received by close of business on Friday, July 10th, 2026, will be answered by addendum. Questions submitted after this deadline may not be answered prior to the close of the bidding period. All questions shall be submitted in writing to: Dan Gillespie d.gillespie@trotter-inc.com Bonds Each bid shall be accompanied by a bid bond, bank draft, cashier's check or certified check payable to the order of the Village of Fox Lake, Illinois in an amount not less than ten (10) percent of the amount of the bid, as a guaranty that the bidder will execute the contract, if it is awarded, in conformity with the bid form. The successful bidder will be required to furnish Performance and Payment Bonds on forms provided in the Specifications and Contract Documents, each in an amount equal to 100 percent of the contract sum. Wage Rates The contractor shall pay prevailing wages in accordance with Local Ordinance and the Illinois Department of Labor Prevailing Wages for Lake County or Lake County, whichever is greater. Rates can be obtained online at www.state.il.us/Agency/idol/ . Rejection of Bids The Owner expressly reserves the right to reject any or all bids or to accept the one, which appears to be in the best interest of the Owner. The Owner expressly reserves the right to waive any informalities or technical irregularities in a bid if to do so is in the best interest of the Owner.

VILLAGE OF GLENDALE HEIGHTS – WWTP UV DISINFECTION CONVERSION ORIGINAL ADVERTISEMENT DATE: May 26, 2026 OPTIONAL PRE-BID: 2:00pm, June 4, 2026 DUE DATE: 2:00pm, June 25, 2026 PROJECT MANAGER: Chris Marschinke, P.E. INVITATION TO BID Sealed proposals will be received by the Village of Glendale Heights for the project entitled WWTP UV Disinfection Conversion Project until 2:00 PM on June 25th, 2026, at the Village of Glendale Heights Floyd Brown Meeting Room located at 300 Civic Center Plaza, Glendale Heights, IL 60139. The sealed bids will be publicly opened and read aloud immediately afterwards at the same location, on the same date. Sealed bids shall be addressed to the Village of Glendale Heights, Physical Address: 300 Civic Center Plaza, Glendale Heights, IL 60139 and shall be labeled “Bid for – WWTP UV Disinfection Conversion Project”. Work Description The proposed improvements consist primary of the following: All required labor, supervision and materials to render complete and fully functional electrical, mechanical, and SCADA systems. Full time superintendence. Installation and maintenance of erosion control measures, site clearing and grading. Removal and replacement of air piping and appurtenances into the post-aeration basins. Construction of a new parallel concrete channel east of the existing post-aeration basin effluent channel for installation of ultraviolet (UV) disinfection equipment. Installation of a finger weir system to control hydraulic levels across anticipated flow ranges. Rehabilitation of the existing chlorination system within the Chlorination Building including but not limited to replacement of chlorinator assemblies, chlorine gas storage tanks, and piping for use in excess flow disinfection. Installation of one new flow meter vault and replacement of the post-aeration influent piping. Site improvements including sidewalks and restoration as required Testing of systems and training of operations personnel. Preparation and submission of operations and maintenance manuals. Warranties as specified in the Contract Documents. Pre-Bid Conference A Non-Mandatory Pre–Bid Conference will be held at 2:00 PM on June 4th, 2026, at the Village of Glendale Heights Wastewater Treatment Facility, 1401 Wayne Avenue, Glendale Heights, IL 60139 in the WWTP Conference Room. Document Inspection and Procurement The Contract Documents may be inspected and purchased at the following locations. Trotter and Associates, Inc. 40W201 Wasco Rd. Suite D St. Charles, Illinois 60175 630-587–0470 Payment for Contract Documents is non–refundable and shall be payable to Trotter and Associates, Inc. in the form of cash, certified check or money order. No partial sets of specifications or drawings will be issued. The non–refundable cost for hard-copies of drawings and specifications is $150.00. The non–refundable cost for electronic (PDF) copies of drawings and specifications is $50.00. Addenda will be issued only to plan holders. Questions should be directed to Eli Winkle, P.E. (630) 587-0470, e.winkle@trotter-inc.com. Bonds Each bid shall be accompanied by a bid bond, bank draft, cashier's check or certified check payable to the order of the Village of Glendale Heights, Illinois in an amount not less than ten (10) percent of the amount of the bid, as a guarantee that the bidder will execute the contract, if it is awarded, in conformity with the bid form. The successful bidder will be required to furnish Performance and Payment Bonds on forms provided in the Specifications and Contract Documents, each in an amount equal to one hundred (100) percent of the contract sum. The successful bidder will be required to furnish a Maintenance Bond on a form developed by an approved corporate surety in the amount of five (5) percent of the contract sum. The bond shall be held by the Owner for a period of one year from the date of final acceptance. Wage Rates The contractor shall pay prevailing wages in accordance with Local Ordinance and the Illinois Department of Labor Prevailing Wages for DuPage County, whichever is greater. Rejection of Bids The Owner expressly reserves the right to reject any or all bids or to accept the one, which appears to be in the best interest of the Owner. The Owner expressly reserves the right to waive any informalities or technical irregularities in a bid if to do so is in the best interest of the Owner.

ORIGINAL ADVERTISED DATE: May 26, 2026 DUE DATE: Tuesday June 16, 2026 at 10:00 AM PROJECT MANAGER: Mitchell Severson, P.E. INVITATION TO BID NOTICE is hereby given that Townes of Prestbury Homeowners Association will receive sealed Bids until the sixteenth day of June, 2026 at 10:00 AM at Trotter and Associates, Inc. 40W201 Wasco Road, Suite D, St. Charles, IL 60175, at which time the Bids will be opened in the Conference Room for the following: Townes of Prestbury – 2026 Street Improvement Project. Bids shall be received in a sealed envelope addressed to the Townes of Prestbury Homeowners Association, 40W201 Wasco Road, Suite D, St. Charles, IL 60175, marked in the lower left-hand corner EXACTLY as follows: BID: Townes of Prestbury – 2026 Street Improvement Project Work Description The Project includes HMA Surface and Pavement Removal, Class D Patching as necessary, driveway removal and replacement as necessary, combination concrete curb and gutter removal and replacement, sidewalk removal and replacement, structures to be adjusted and improved, bituminous tack coat materials, polymerized HMA binder course, HMA surface course, and parkway restoration. Document Inspection and Procurements The Contract Documents may be inspected and purchased at: Trotter and Associates, Inc. 40W201 Wasco Rd, Suite D St. Charles, IL 60175 Contact Jessy Stouffer at j.stouffer@trotter-inc.com to schedule an appointment or purchase the contract documents. Hard or electronic copies of the documents are available for purchase. No partial sets of specifications or drawings will be issued. The non–refundable cost for plans and specifications is $150.00 for a hard copy and $50.00 for an electronic copy . Addenda will be issued only to plan holders. Bid and Performance & Payment Bond Each bid shall be accompanied by a bid bond, bank draft, cashier's check or certified check payable to the order of Townes of Prestbury HOA in an amount not less than five (5) percent of the amount of the bid, as a guaranty that the bidder will execute the contract, if it is awarded, in conformity with the bid form. The successful bidder will be required to furnish a Performance and Payment Bond on forms provided in the Specifications and Contract Documents, in an amount equal to 100 percent of the contract sum. Wage Rates The contractor shall pay prevailing wages in accordance with the Prevailing Aage Act (820 ILCS 130/0.01 et seq.) as defined by the Illinois Department of Labor Prevailing Wages for Kane County. Rates can be obtained online at www.state.il.us/Agency/idol/ . Questions Questions regarding the project received by 4:00 pm on Monday June 8, 2026 , will be answered by addendum. Questions submitted after this deadline may not be answered prior to the close of the bidding period. All questions shall be submitted in writing to: Mitchell Severson, PE Project Engineer m.severson@trotter-inc.com Rejection of Bids The Townes of Prestbury HOA reserves the right to reject any or all bids. The Association expressly reserves the right to waive any informalities or technical irregularities in a bid.

ORIGINAL ADVERTISED DATE: May 20, 2026 DUE DATE: Monday June 1, 2026 at 9:00 AM PROJECT MANAGER: Mitchell Severson, P.E. INVITATION TO BID NOTICE is hereby given that the Village of Fox Lake will receive sealed Bids until the 1st day of June, 2026 at 9:00 AM at Fox Lake Village Hall, 66 Thillen Drive, Fox Lake, IL 60020, at which time the Bids will be opened in the Board Room for the following: Village of Fox Lake – 2026 MFT General Maintenance Roadway Improvement Project. Bids shall be received in a sealed envelope addressed to the Village of Fox Lake, 66 Thillen Avenue, Fox Lake, IL 60020, marked in the lower left-hand corner EXACTLY as follows: BID: Village of Fox Lake – 2026 MFT General Maintenance Roadway Improvement Project The project is being funded by Motor Fuel Tax funds. The Village of Fox Lake is an equal opportunity employer. Small, minority and women owned businesses are encouraged to submit bids. Work Description The Project includes Hot-Mix Asphalt Surface Removal, Removal and Disposal of Unsuitable Materials, Aggregate Subgrade Improvement as needed, Class D Patches, Driveway Pavement removal and replacement, placement of Hot-Mix Asphalt Binder and Surface Courses, curb and gutter removal and replacement, sidewalk removal and replacement, landscape restoration, and pavement markings. Document Inspection and Procurements The Contract Documents may be inspected and purchased at: Trotter and Associates, Inc. 38 W Grand Ave, Suite 300 Fox Lake, IL 60020 Contact Heidi Patla at h.patla@trotter-inc.com to schedule an appointment or to purchase the contract documents. Hard or electronic copies of the documents are available for purchase. Payment for Contract Documents is non–refundable and shall be payable to Trotter and Associates, Inc. in the form of cash, certified check or money order. No partial sets of specifications or drawings will be issued. The non–refundable cost for plans and specifications is $150.00 for a hard copy and $50.00 for an electronic copy . Addenda will be issued only to plan holders. Bid and Performance & Payment Bond Each bid shall be accompanied by a bid bond, bank draft, cashier's check or certified check payable to the order of The Village of Fox Lake in an amount not less than five (5) percent of the amount of the bid, as a guaranty that the bidder will execute the contract, if it is awarded, in conformity with the bid form. The successful bidder will be required to furnish a Performance and Payment Bond on forms provided in the Specifications and Contract Documents, in an amount equal to 100 percent of the contract sum. Wage Rates The contractor shall pay prevailing wages in accordance with the Prevailing Aage Act (820 ILCS 130/0.01 et seq.) as defined by the Illinois Department of Labor Prevailing Wages for Lake County. Rates can be obtained online at www.state.il.us/Agency/idol/ . Questions Questions regarding the project received by 4:00 pm on Monday May 27, 2026 , will be answered by addendum. Questions submitted after this deadline may not be answered prior to the close of the bidding period. All questions shall be submitted in writing to: Mitchell Severson, PE Project Engineer m.severson@trotter-inc.com Rejection of Bids The Village of Fox Lake reserves the right to reject any or all bids. The Village expressly reserves the right to waive any informalities or technical irregularities in a bid.

Village of Oak Brook – Route 83 and I-88 Water Main Replacement Project ORIGINAL ADVERTISED DATE: May 20, 2026 MANDATORY PRE-BID: None DUE DATE: 11:00 AM Friday, June 5, 2026 Project Contact: Terry Heitkamp, P.E. INVITATION TO BID The Village of Oak Brook will accept electronic bids for: Route 83 and I-88 Water Main Replacement Project. Sealed bids are to be submitted via the Village's eProcurement Portal at https://procurement.opengov.com/portal/oak-brook until 11:00 am, Friday, June 5, 2026, prevailing time. A bid tabulation will be made publicly available after the submission due date. No bid shall be withdrawn after opening of bids without the consent of the Village of Oak Brook for a period of ninety (90) days after the scheduled time of opening bids. Work Description Work under this Contract will generally include, but is not limited: • Horizontal directional drilled water main (12”) • Tapping valves, vaults, frames, lids and appurtenances • Testing and chlorination of new water main • Abandon existing water main • Storm sewer & structure replacement • Turf, bike path, pavement, curb & gutter, etc. replacement • Other work as described within the plans and specifications Contract Documents A complete bid package, of which this notice is a part, can be downloaded from the eProcurement Portal at https://procurement.opengov.com/portal/oak-brook/projects/266193 . There is no charge for the package. Questions Please contact: Terry Heitkamp, PE Senior Project Engineer t.heitkamp@trotter - inc.com Rejection of Bids The Village of Oak Brook reserves the right to reject any or all bids and to waive any informalities in bidding and to accept the bid deemed most advantageous to it.