Port Gardner Storage Facility

The City intends to repurpose the plant for controlling Combined Sewer Overflows (CSOs), and handling stormwater and will be renaming the site the Port Gardner Storage Facility (PGSF). Utilization of the facility is currently planned to occur in two phases: Phase 1: Attain CSO regulatory compliance by 2027, Phase 2: Eliminate near-shore CSO discharges (post 2027). The City intends to deliver the project using a standard design-bid-build process. Flows to the facility will be CSOs from various existing and proposed regulators in the combined sewer system and untreated stormwater from streets and alleys. The City intends that the PGSF will be used primarily for CSO storage during wet weather events. Detained CSOs will be conveyed east to the City’s Water Pollution Control Facility (WPCF). The City also desires to use the PGSF for temporarily storing stormwater such that it can be discharged to the existing deep-water outfall (DWO) in Port Gardner. Task 1 – Site Demolition The PGSF site includes existing infrastructure that must be demolished and removed prior to beginning construction of site improvements. The City intends that the development of demolition plans and site demolition efforts be performed in parallel with Task 2 – Site Design and Construction efforts where possible. Task 1 efforts are anticipated to include: • Detailed assessment of all existing infrastructure identified in the Plan as unusable or unnecessary for incorporation into future PGSF operations. • Develop site demolition plans. • Services during bidding and demolition. Task 2 – Site Design and Construction PGSF site improvements are anticipated to be a blend of new construction and the repurposing of existing site infrastructure with the goal being an operationally efficient CSO control facility. The PGSF site includes existing infrastructure that is suitable for reuse with the completion of necessary repairs and augmentation. The City intends to use as much of the existing site infrastructure as feasible and improve the site with new construction where needed. Task 2 efforts are anticipated to include: • Detailed assessment of all existing infrastructure identified in the PGSF General Sewer Plan as appropriate for reuse in future PGSF operations. • Detailed assessment of select site infrastructure with unknown status (e.g. underground yard piping, neutralization basin) and identification of opportunities to reuse said infrastructure within the parameters of planned future PGSF operations. • Evaluate options for site improvements within the parameters of the Plan recommendations using cost/benefit analysis based on short- and long-term life cycle costs. • Develop project report in accordance with Washington State Department of Ecology requirements. • Define design criteria for site improvements across all disciplines (e.g. structural, process mechanical, building/site mechanical, architectural, civil, electrical, instrumentation, controls, etc.). • Develop design plans and specifications. • Develop permit documents. • Services during bidding and construction. Minimum Information Required: • The proposer’s experience in designing wastewater/stormwater/CSO control facilities of similar size. • The experience of the proposed project manager and key individuals who will be leading the various tasks necessary to complete the project. • Approach to managing and completing the project. • Draft schedule for the completion of the project • Approach to communicating with the City. Design: 2022 – 2024 Selected Site Demolition: 2023 – 2024 Construction: 2024 - 2027

Division 02 -	Existing Conditions, Demolition.
Division 03 -	Concrete, Precast Concrete.
Division 33 -	Utilities, Storm Drainage Utilities, Storm Utility Drainage Piping, Storm Utility Water Drains, Storm Drainage Structures.