2024 WATER MAIN REPAIRS The City of Columbus (hereinafter “City”) is accepting bids for 2024 Water Main Repairs, C.I.P No. 690521-100012, Contract 2443, the work for which consists of providing the necessary labor and equipment to complete repairs to water mains at various locations within the Columbus Water Distribution System on an as needed basis, and other such work as may be necessary to complete the contract, in accordance with the technical specifications, special provisions, and City of Columbus Construction and Material specifications set forth in this Invitation For Bid (IFB). City of Columbus MBE/WBE GOAL FOR THIS CONTRACT: 10%

JPWWTP Incinerator Building Rehabilitation The City of Columbus (hereinafter “City”) is accepting bids for JPWWTP Incinerator Building Rehabilitation, C.I.P. No. 650260-102016 the work for which consists of cleaning and repairing exterior stone masonry, replacing exterior windows and doors, replacing and repairing the roof and roof drain piping, replacing the finish ceiling, installing electric unit heaters and associated electrical equipment, replacing building lightning protection, removing existing electrical equipment not in use, and other such work as may be necessary to complete the contract, in accordance with the drawings, technical specifications, special provisions, and City of Columbus Construction and Material specifications set forth in this Invitation For Bid (IFB). This IFB contains the following sections: • SECTION I: ADVERTISEMENT FOR BIDS – This section provides a brief overview of the project and bidding process. • SECTION II: BID FORMS – This section contains bid forms B1 through B9 and B14 • SECTION III: SPECIAL PROVISIONS – • SECTION IV: CONTRACT FORMS – The contract section contains forms and instruments that will be used in the event of contract award. Do not complete and submit the contract with your bid. The contract will be completed by the selected bidder after an award determination has been made by the City and the contract is delivered to the selected bidder for execution. The City will not negotiate the terms contained in this contract. • SECTION V: TECHNICAL SPECIFICATIONS – If included, additional technical information pertaining to this project may be provided in this section. • SECTION VI: STANDARD DRAWINGS – If included, this section will provided standard drawings relevant to this project. • SECTION VII: APPENDICES – This section provides information related MBE/WBE Goals. In order for a bid to be considered responsive, the bidder must submit all required information for the project as outlined in the IFB. All materials submitted in response to this advertisement will become part of the awarded contract; will become the property of the City; will not be returned; and will be considered public records subject to disclosure as contemplated by Ohio Revised Code Section 149.43. WHERE & WHEN TO SUBMIT BID Bids will only be received electronically by the City of Columbus, Department of Public Utilities via Bid Express (www.bidexpress.com). Bids are due October 18, 2023 3:00 P.M. local time. Bids will be opened electronically and responding bids will immediately be posted to Bid Express as “Apparent Bids.” The responding bids will be further reviewed before any contract award is made. No public bid openings will be held pursuant to Columbus City Code Chapter 329.18. SPECIAL PROVISIONS, DRAWINGS AND TECHNICAL SPECIFICATIONS Special Provisions, Drawings and technical specifications are available as separate documents at www.bidexpress.com. Drawings and technical specifications are contract documents. Drawings and technical specifications are available as separate documents at www.bidexpress.com. CONSTRUCTION PREQUALIFICATION REQUIREMENT For contracts the City estimates will exceed $500,000.00, bidders must be pre-qualified responsible or provisionally responsible at bid due date to be awarded a contract for City construction work. Subcontractors performing work in a licensed construction trade as defined by City Code 329.01 (heating, ventilating, and air conditioning; refrigeration; electrical; plumbing; hydronics; or fire protection or firefighting equipment) must also be pre-qualified responsible or provisionally responsible at the bid due date. Bidders must submit Form B9, an affidavit confirming their prequalification status. For information on pre-qualification status, contact the Office of Construction Prequalification at (614) 645-0359 or at the following link: http://www.columbus.gov/prequalification.aspx. Note that the prequalification requirements are separate from and in addition to the contract compliance requirements of the Office of Diversity and Inclusion (described in Section F below), the contractor licensing requirements of the Department of Building and Zoning Services, and the Water/Sewer Contractor Tappers License requirements of the Department of Public Utilities. For contract values estimated to not exceed $500,000, prequalification of bidders and subcontractors is not required, and licensed construction trade subcontractors are not required to be prequalified.

The City of Columbus (hereinafter “City”) is accepting bids for 2021 General Construction - Storm, C.I.P. No. 610500-100005 & 2021 General Construction – Sanitary, C.I.P. No. 640745-100013 the work for which consists of various construction tasks preformed under a general contract, and other such work as may be necessary to complete the contract, in accordance with the drawings, technical specifications, special provisions, and City of Columbus Construction and Material specifications set forth in this Invitation For Bid (IFB). Bids will only be received electronically by the City of Columbus, Department of Public Utilities via Bid Express (www.bidexpress.com). Bids are due September 27, 2023 at 3:00 P.M. There will be no pre-bid conference for this project. City of Columbus MBE/WBE GOAL FOR THIS CONTRACT: 10%

Southerly Waste Water Treatment Plant CFS Bridge and RSP Cooling Upgrade, CIP NO. 650260-102015, Contract NO. SCP 21SO The City of Columbus is accepting bids for Southerly Waste Water Treatment Plant CFS Bridge and RSP Cooling Upgrade, CIP NO. 650260-102015, Contract NO. SCP 21SO, the work for which consists of building a small access bridge across the CFS, add a duplex strainer to the CEPT ferric chloride line, upsize the seal water piping to the raw sewage pumps, and upgrade the cooling in the RSP electrical room and glycooler. and other such work as may be necessary to complete the contract, in accordance with the plans and specifications set forth in the Invitation For Bid (IFB) WHERE & WHEN TO SUBMIT BID Bids will only be received electronically by the City of Columbus, Department of Public Utilities via Bid Express (www.bidexpress.com). Bids are due Wednesday, September 20, 2023 at 3:00 P.M. local time. Bids will be opened electronically and responding bids will immediately be posted to Bid Express as “Apparent Bids.” The responding bids will be further reviewed before any contract award is made. No public bid openings will be held pursuant to Columbus City Code Chapter 329.18. DRAWINGS AND TECHNICAL SPECIFICATIONS Drawings and technical specifications are available as separate documents at www.bidexpress.com. Drawings and technical specifications are contract documents. PRE-BID CONFERENCE The City will be holding a pre-bid conference. Attendance is strongly recommended. It will be held at Southerly Wastewater Treatment Plant, Administration Building Conference Room, 6977 South High Street (U.S. Route 23), Lockbourne, OH 43137 on Monday, August 28, 2023 at 1:00 PM. Local time. A site tour will be provided after the conference. QUESTIONS Questions pertaining to this Invitation For Bid must be submitted by Tuesday, September 12, 2023 by 5:00 PM Eastern Time via email to DPUConstructionBids@columbus.gov. The email should reference the project number and the project name. No phone calls will be accepted. The City or its representative will not be bound by any oral interpretations which are not reduced to writing and included in addenda. Any interpretations of questions so raised, which in the opinion of the City or its representative require interpretations, will be issued by addenda and posted on www.bidexpress.com. CONSTRUCTION PREQUALIFICATION REQUIREMENTS For contracts the City estimates will exceed $500,000.00, bidders must be pre-qualified responsible or provisionally responsible at bid due date to be awarded a contract for City construction work. Subcontractors performing work in a licensed construction trade as defined by City Code 329.01 (heating, ventilating, and air conditioning; refrigeration; electrical; plumbing; hydronics; or fire protection or firefighting equipment) must also be pre-qualified responsible or provisionally responsible at the bid due date. Bidders must submit Form B9, an affidavit confirming their prequalification status. For information on pre-qualification status, contact the Office of Construction Prequalification at (614) 645-0359 or at the following link: http://www.columbus.gov/prequalification.aspx. Note that the prequalification requirements are separate from and in addition to the contract compliance requirements of the Office of Diversity and Inclusion (described in Section F below), the contractor licensing requirements of the Department of Building and Zoning Services, and the Water/Sewer Contractor Tappers License requirements of the Department of Public Utilities. For contract values estimated to not exceed $500,000, prequalification of bidders and subcontractors is not required, and licensed construction trade subcontractors are not required to be prequalified.

The City of Columbus (hereinafter “City”) is accepting bids for Hamilton Booster Station Roof Replacement. Bids will only be received electronically by the City of Columbus, Department of Public Utilities via Bid Express (www.bidexpress.com). Bids are due September 6, 2023, at 3:00 P.M. Local Time. the work for which consists of removing the existing roofing system of 1,375 square feet and replacing with a new roofing system, and other such work as may be necessary to complete the contract, in accordance with the drawings, technical specifications, special provisions, and City of Columbus Construction and Material specifications set forth in this Invitation For Bid (IFB). There will be no pre-bid conference for this project. Submit questions as directed below. Contractors interested in bidding may set up an appointment with Jason Roach by email at jaroach@columbus.gov. Worksite Review date and time available is August 14 from 9 A.M. to 11 A.M., other dates may also be announced.