This Solicitation opportunity from California was posted on May 12, 2025. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Trade Package - SFO Recycled Water System Project - TP 4009 -Plumbing AWTF

Closed

11431.66 - TP4009State & Local

Submission Closed06/12/2025, 12:00:00 AM UTC

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

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1 day ago

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AI Contract Overview

The Recycled Water Systems Project, managed by Walsh Construction Co. II, LLC, involves designing and building an Advanced Water Treatment Plant (AWTP) at the Mel Leong Treatment Plant to meet stringent recycled water standards and remove PFAS contaminants. The project includes constructing a 250,000-gallon storage tank, pump station, and approximately three miles of pipeline to connect various airport facilities. Upgrades to three existing Sequence Batch Reactors (SBRs) and the addition of a new SBR are also part of the scope to ensure compliance with permits. This is a progressive design-build effort, meaning work is authorized incrementally, with the ultimate goal of completing design, construction, permitting, activation, commissioning, and project closeout. The specific trade package, TP-4009, focuses on plumbing work within the AWTP, including installation of below-grade and concrete-encased sanitary drains, potable and recycled water piping, restroom fixtures, and associated infrastructure within the Process and Control Buildings. The scope encompasses mobilization, excavation, backfill, pipe installation, fixture installation, testing, and disinfection, with an emphasis on coordination with other trades and adherence to technical specifications. Bidding is open to pre-qualified subcontractors, with a submission deadline of June 12, 2025. The project aims to be executed within a contract size ranging from $50 million to $150 million, with primary contact through Tiffany Gonzalez-Ruiz at SFO Construction.

General Info

Agency

California → SFO Construction

NAICS

238910 - Site Preparation Contractors

Place of Performance

CA, USA

Set-Aside

NONE

Documents

No documents available

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Uniform Contract Format

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Timeline

PhaseClosed

PostedMay 12

Solicitation

Response DeadlineJun 12

Deadline has passed

Submission Closed

06/12/2025, 12:00:00 AM UTC

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Organization & Contact Information

AgencyCalifornia → SFO Construction

Contacts1 person available

OfficeN/A

Organization / AgencyCalifornia → SFO Construction

Office AddressN/A

Contacts

Tiffany Gonzalez-Ruiz

contact@example.gov

+1 (555) 000-0000

Full Description

Design-Builder Firm Name: Walsh Construction Co. II, LLC.Project Overview:The Recycled Water Systems Project will design and construct an Advanced Water Treatment Plant (AWTP) to meet Title 22 requirements for recycled water and remove per-and polyfluoroalkyl substances (PFAS) from the effluent. The project will also design and construct a 250,000-gallon storage tank, pump station, and distribution system of roughly three miles of pipeline and connections to some of the Airport's facilities. The project will also include upgrades to three existing Sequence Batch Reactors (SBR) and the construction of one new SBR for permit compliance.This is a Progressive Design-Build Project where Trade Work is incrementally authorized by Airport. The goal of this project is to design, construct, permit, activate, commission, and closeout of the new construction for the Recycled Water System Project.The new AWTP and SBR upgrade will exist in the current Mel Leong Treatment Plant (MLTP). The MLTP includes parallel treatment processes for wastewater produced from Airport facilities. The Industrial Wastewater Treatment Plant (IWTP) treats industrial wastewater and first-flush storm water runoff; and the Sanitary Wastewater Treatment Plant (SWTP) treats sanitary sewer flows.Trade Package No: TP-4009Trade Package Title: Plumbing AWTFDescription of the Trade Package Scope of Work:1.1 SCOPE OF WORKThe Plumbing Subcontractor (Subcontractor) must always have a competent person on site while contracted work is being performed. Provide all labor, materials, equipment, and supervision necessary to complete the Plumbing scope of work in accordance with the conformed construction plans and technical specifications. Subcontractor shall provide protection measures for existing facilities adjacent or close to plumbing work area, and equipment and material staging areas. Subcontractor shall coordinate with Walsh for special inspections and/or pressure pipe testing. Subcontractor shall coordinate with all trades to ensure Walsh’s schedule remains uninterrupted.The plumbing scope of work is concentrated on the Advanced Water Treatment Facility, which consists of the Process Building (914), Control Building (912) and an exposed invert slab. This trade package includes below grade and concrete encased sanitary drains, potable water, recycled water piping and restroom fixtures.Plumbing subcontractor to coordinate condensate drainpipes with HVAC subcontractor.BASE BID SCOPEMobilization· Include all costs for mobilizing and demobilizing equipment necessary for the plumbing scope. Subcontractor shall anticipate multiple mobilizations between slab pours and wall construction.Spoils and On-Site Construction Debris Management· Stockpile spoils generated during cleanout onto Lot 23.· Protection of stocked spoils; off haul by others.Trench Excavation and Backfill· Trenching and backfill for under slab plumbing required up to point of connection as indicated on drawings.Installation of Plumbing Pipe and Fixtures· Pipe MaterialPlumbing pipe to extend 3 feet past the outer face of building wallGravity drain2-4 inchesPVC SCH80 – M2.01.02 Recycled water1-1/2”PVC SCH80Sanitary sewer4 inchesPVC Class 115, SDR 26Condensate drain line to remove excess water from fan coil units per drawing H0.03Pipe identification per specificationsInsulation and foam insulation for piping as required· Restroom FixturesDrain cleanoutsFloor drainsP-trapsSubcontractor will install in-wall rough-in prior to ADA shower being installed (by others). After ADA shower is installed, subcontractor will create plumbing opening (if necessary through FRP walls) and connect to fixtures to be furnished by the subcontractor.Sink and sink faucetsToiletsAccess panels as requiredIn-wall rough-inElectric hot water heatersWater filling stationTesting and Disinfection· Gravity Pipeline Testing per Specifications 33 01 11 and 33 01. Provide temporary valves, plugs, bulkheads, or other water control equipment and materials as required for the performance of the tests subject to the Owner's review.· Testing of backflow preventor.Trade Package Bid Due Date and Time: Thursday, June 12, 2025, by 2:00 PM PSTMain Trades of the Trade Package: PlumbingSBE Participation Requirement: SBE=100%Design-Builder requirements or prequalification criteria: Only pre-qualified bidders will be allowed to submit bids. If you did not previously pre-qualify during the pre-qualification timeframe, you will not be able to bid on this project.Contact for Trade Package information: Dominic C Fung, contact@example.gov web link to the Trade Package or more information: Please contact the email above if you were previously pre-qualified with Walsh and are interested in bidding for this trade package. Walsh will share the bid documents to pre-qualified subcontractors via email and/or BuildingConnected upon request.