Douglas County Ionwave #CI-2026-0109 Addendum 1

Omaha seeks construction bids for Northeast Omaha High-Rate Treatment Basin sewer conveyance structures and facilities

This opportunity from the City of Omaha Public Works Department and Douglas County Purchasing seeks bids for the Northeast Omaha High-Rate Treatment Basin (NEOHRTB) Package 2 construction project. - Government Buyer: - City of Omaha Public Works Department - Douglas County Purchasing - Scope of Work: - Construction of combined sewer conveyance structures, pipes, and appurtenances - Key facilities: 11th and Izard Active Control (IZAC) flow diversion structure, twin 60-inch diversion sewers, 11th and Izard Grit and Screening Facility (IZGSF) - Site work, excavation, earthwork, reinforced concrete, mechanical, electrical, utilities, and site improvements - Installation of HP 14x89 bearing piles (2,131 VLF) and pre-drilled rock socket piles (303 VLF) - Architectural precast concrete, steel casing pipe, ductile iron process pipe, plumbing fixtures, and electrical systems - Products/Services Requested: - HP 14x89 bearing piles (driven and pre-drilled rock socket) - Security system, construction management software, street and crack repairs, fencing and gates - Environmental and stormwater pollution prevention allowances - Plumbing and electrical components, architectural precast concrete, steel casing pipe, ductile iron process pipe - OEMs and Vendors Mentioned: - American Cast Iron Pipe Co. - U.S. Pipe and Foundry Co. - Unique/Notable Requirements: - Bid bond (5% of total bid if $50,000+), SEB reserve (3.5%), Economic Sustainability Plan, Responsible Contractor Compliance Form - Ground improvement beneath Sewer 1040, sequencing of tieback installation, groundwater management compliance - Qualifications, insurance, and designation of subcontractors/suppliers for key work elements - Handling of contaminated soils and groundwater, coordination with regulatory agencies and utility companies - Optional apprentice utilization via Apprenticeship Incentive Form - No specific contract duration or option years provided; phased construction and multiple contingency allowances included.

Description

The City of Omaha is soliciting bids for the construction of combined sewer conveyance structures, pipes, site work, and appurtenances. The project includes the 11th and Izard Active Control (IZAC) flow diversion structure, twin 60-inch diversion sewers, the 11th and Izard Grit and Screening Facility (IZGSF), and other supporting improvements. Bidders must submit a bid bond and comply with a Small & Emerging Business (SEB) reserve of 3.5% of the total bid. The anticipated notice to proceed date is December 23, 2026.

View original listing