BCSO-3 Tunnels and Regulators Construction

The Northeast Ohio Regional Sewer District is seeking proposals for construction of the BCSO-3 Tunnels and Regulators project, including underground combined sewer overflow tunnels, structures, flow-regulator modifications, commissioning, and site restoration.

Northeast Ohio Regional Sewer District


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EP-1543
Oct 30, 2026 12:00 PM
Oct 16, 2026 12:00 PM
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Request for Proposal (RFP)
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Description

The Northeast Ohio Regional Sewer District is soliciting proposals for the BCSO-3 Tunnels and Regulators project, part of the Big Creek Tunnel combined sewer overflow storage program. The work includes Branch 1, 2, and 3 tunnels; new underground diversion, gate, screen, and shaft structures; modification or rebuilding of existing flow regulators; repair or upsizing of sewer segments; buildout of Shaft BCT-6; installation and outfitting work associated with BCSO-2 infrastructure; commissioning of BCSO-2 and BCSO-3 infrastructure; and restoration of the BCT-6 site. Proposers must submit one original, five copies, and an electronic PDF version with bookmarks on a USB drive. Submitted materials must use a font equivalent to Times New Roman 12-point or larger. The solicitation identifies a 20% SBE goal. A pre-bid conference is scheduled for October 8, 2026, and proposals are due October 30, 2026.

Classification Codes
NAICS237110Water and Sewer Line and Related Structures Construction
PSCY1LCCONSTRUCTION OF TUNNELS AND SUBSURFACE STRUCTURES
Smart Codes
tunnel constructionsewer infrastructureflow regulator construction
Specifications
Service Only
Timeline
Oct 08, 2026 02:00 PM-Pre-Bid Conference (optional)
Conference Room A, Northeast Ohio Regional Sewer District Environmental Maintenance and Service Center.
Oct 30, 2026-Proposal Due Date
Documents
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