Site work for a water / sewer project in Oakland, California. Completed plans call for site work for a water / sewer project.

Rehabilitation of covered and open concrete structures, relining, modification, or replacement of small and large diameter steel and ductile iron pipes, replacement or installation of valves and piping appurtenances, installation and operation of a temporary 11 MGD pumped bypass, rehabilitation of reactor mixer and aerator, installation of new instrumentation and improvements to existing instrumentation, rehabilitation and replacement of motor control center components, modifications to existing sluice gates and installation of new slide gates, installation of platforms and access improvements to open concrete structures, rerouting of sump pump discharge lines, and excavation and trench work. Bonds: 10% Bid Bond, 100% Performance Bond, 100% Payment Bond. Estimated Cost: $18,500,000 to $19,500,000 This project will require multiple trades and types of work; for example (note: this list is not allinclusive): demolition, saw-cutting, concrete coring, hazardous materials handling, grading, excavation, shoring, fill, concrete, rebar, waterproofing, painting, industrial coatings, structural steel, bolting, welding, mechanical, electrical , pipeline, plumbing, crane equipment, handrails, guardrails, ladders, gratings and railings, doors and windows, paving, pumped bypass systems, surveying, and other required work and trades Work includes rehabilitation of covered and open concrete structures; relining, modification, or replacement of small and large diameter steel and ductile iron pipes and their associated pipe supports; replacement or installation of valves and piping appurtenances and their associated electrical and instrumentation scope ; installation and operation of a temporary 11 MGD pumped bypass ; rehabilitation of reactor mixer and aerator; installation of new or improvements to existing instrumentation and their associated electrical and instrumentation scope; rehabilitation and replacement of motor control center components; modifications to existing sluice gates and installation of new slide gates; installation of platforms and access improvements to open concrete structures; rerouting of sump pump discharge lines; excavation and trench work; and surveying of key points in and around the reactors. *The value for this project is based on a financial range. The value is listed as the highest possible cost from the range provided by a stakeholder or official project document. Question Deadline 11/06/2026 Questions regarding documents, discrepancies, omissions, or intent of specifications or drawings shall be communicated to the Engineer in writing at least ten days prior to opening of bids The following is a general summary of work and is not all inclusive; the Contractor shall perform all other related or required work as fully described in the specifications and drawings. Rehabilitation of covered and open concrete structures (Reactors 5 , 6, and mixed liquor channel). Relining, modification, or replacement of small and large diameter pipes and their associated pipe supports (Return activated sludge (RAS) B header, RAS branches, Primary Effluent (PEF) and step feed piping for Reactors 5 and 6), and Reactor drain lines. Replacement or installation of various valves and piping appurtenances and associated electrical and instrumentation scope. Installation and operation of 11 MGD pumped bypass for return activated sludge (RAS) B header. 5. Rehabilitation of reactor mixer/aerator. 6. Installation of new or improvements to existing instruments (flowmeters, level sensors, analytical sensors, and autosamplers) and associated electrical and instrumentation scope. 7. Rehabilitation of existing motor control centers (MCCs) by cleaning, replacing buckets, and panels. 8. Modifications to existing sluice gates and installation of new slide gates. 9. Installation of platforms over and access improvements to open concrete tanks. 10. Rerouting of plastic sump pump discharge lines. 11. Excavation and trench work. 12. Surveying of key points in and around the reactors.