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  5. ›EBORI Extension, CSO Separations (10142951)

City of Cincinnati·Ohio

EBORI Extension, CSO Separations (10142951)

Closes 4/28/2026$5M – $15MInvitation for Bid
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Description

The City of Cincinnati is seeking bids for the East Branch Ohio River Interceptor (EBORI) Extension, CSO Separations project. The project involves the separation of the CSO 432 and 489 sewer sheds with approximately 4240 LF of new storm sewer and 531 LF of new sanitary sewer. The project aims to eliminate CSOs 432 and 489 and reduce CSO volume by approximately 2.57 MG in the typical year. The contract will be awarded to the bidder who submits the lowest and best bid, taking into consideration accepted alternates. The bidder must submit a completed bid package, including a unit price sheet, official bid form, bidder's affidavit, and other required documents. The city reserves the right to reject any or all bids and to waive technicalities in the contract documents. • Key features of the project include: • Separation of CSO 432 and 489 sewer sheds • Approximately 4240 LF of new storm sewer • Approximately 531 LF of new sanitary sewer • Elimination of CSOs 432 and 489 • Reduction of CSO volume by approximately 2.57 MG in the typical year • Conversion of McLean Avenue Sewer to a storm-only conveyance downstream of the tunneled storm sewer connection

Attached files

Contact

Sarah Dolly(Buyer)

[email protected]

(513) 352-3260

Key dates

Opened
4/16/2026
Questions due
4/21/2026
Pre-bid meeting
4/14/2026
Closes
4/28/2026

Last updated

Details

Type
Invitation for Bid
Industry
Construction
NAICS
237110
Solicitation №
ITB-400-263C909295-2

Budget estimate

$5,000,000 – $15,000,000

The budget for this project can be estimated based on the scope of work and the materials required. The construction of approximately 4240 LF of new storm sewer and 531 LF of new sanitary sewer will require significant resources, including labor, equipment, and materials. The city's budget for this project is not specified, but based on industry standards, the total cost of the project could be in the range of $5 million to $15 million. The low end of this estimate is based on the assumption that the project will be completed with minimal complications and that the materials and labor costs will be relatively low. The high end of the estimate takes into account potential complications, such as unexpected site conditions or delays, and higher-than-expected material and labor costs.

AI estimate from the solicitation

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