Navigation

Projects

The Sunnyvale Clean Water Program is underway and moving forward with several critical projects to upgrade the Sunnyvale Water Pollution Control Plant. This page is a resource for learning more information about the projects and accessing related documents.



Project 8.1 – Caribbean Drive Parking and Trail Access Enhancements

Status: In Design
Top

Through this project, access to the San Francisco Bay Trail will be relocated in order to accommodate the proposed improvements to the Plant, maintain public safety and ensure site security. As part of this process, Carl Road will be closed to public access west of Borregas Avenue and recreationists would instead access the Bay Trail and other neighboring trails using an enhanced access point along Caribbean Drive at the West Channel.

The City of Sunnyvale intends for the project to provide multiple benefits for its residents, including the following:

  • Create attractive streetscapes that enhances the surrounding area including the bicycle, pedestrian, and automobile environment.
  • Improve bicycle and pedestrian safety along Caribbean Drive.
  • Enhance parking and increase the amount of parking in the area and on Caribbean Drive.
  • Add additional access to the East and West Channel trails.

This project includes providing engineering design and support services for the relocation of the San Francisco Bay Trail trailhead from Carl Road to Caribbean Drive. An RFP was released by the City of Sunnyvale for the design and support services included in this project in October 2016. The bidding period closed on November 17, 2016 and the contract was awarded to the successful bidder on March 31, 2017. Please visit the City of Sunnyvale’s website for more information.




Project 2.1 – Existing Plant Rehabilitation

Status: Conducting Condition Assessment
Top

The City recently completed the Master Plan for the Plant, which encompasses more than 30 capital improvement projects, including the Existing Plant Rehabilitation Project. Before this rehabilitation project is advertised for design, the City wants to further assess the existing condition of the facilities at the Plant.

Due to the age of overall facilities at the Plant, the project will further assess key elements of the existing treatment processes that need to be rehabilitated or replaced to maintain permit compliance, including the following:

  • Pond effluent piping
  • Secondary treatment process
  • Tertiary treatment process
  • Oxidation pond area

This project is anticipated to last approximately six months and will include onsite assessment of the facility’s conditions, repair recommendations, and a condition assessment report to guide future facilities rehabilitation projects at the Plant.

Open House Presentation





Project 1.1.1 – Headworks and Primary Treatment Facility Package 1

Status: Under Construction
Top

Construction work is currently underway on Package 1 – Site Preparation for the Primary Treatment Facility, the first major project to upgrade the Sunnyvale Water Pollution Control Plant (Plant). This project will prepare the site location for a new primary treatment facility, which is the first treatment step for the wastewater entering the Plant. The buildings and equipment that replace existing, aging primary treatment facilities will be constructed under Package 2.

Crews have demolished the existing sludge dewatering tile beds and several small structures at the Plant. Concrete and asphalt from demolition was hauled offsite for reuse or disposal. The contractor is now installing new pipelines to route stormwater through the Plant and out to the Bay while simultaneously completing construction of the junction box wall. Once this is complete, the contractor will place approximately 100,000 cubic yards of soil across the site to compact the existing ground and enable it to support the buildings that will be constructed during Package 2. The contractor has begun importing soil to the project area for this use. After the soil is no longer needed, it can be reused at the Plant and on other construction projects in the Bay Area.

Work for Package 1 is scheduled to be completed in Mid-2017. The bidding period for Package 2 closed on March 1, 2017.

Ongoing Construction for Package 1 at WPCP

Ongoing Construction for Package 1 at WPCP

Installation of New Stormwater Pipelines through the Plant to the Bay

Installation of New Stormwater Pipelines through the
Plant to the Bay

Adding Soil to Compact the Construction Area in Preparation for Package 2 Construction

Adding Soil to Compact the Construction Area in
Preparation for Package 2 Construction





Project 1.1.2 – Headworks and Primary Treatment Facility Package 2

Status: In Procurement
Top

The Headworks and Primary Treatment Facility–Package 2 includes the construction of the new headworks and the primary treatment facilities including a new switchgear building and standby generator, ancillary facilities and Lighting at the Sunnyvale Water Pollution Control Plant (Plant). Package 2 construction will also include the construction of the first phase of a flood wall that will ultimately surround and protect the Plant from future flood events.

Primary treatment facilities will be constructed as part of this project to replace existing and aging facilities. The Invitation to Bid for Package 2 for the Headworks and Primary Treatment Facility was released in December 2016. The bidding period closed on March 1, 2017. See below for links to additional reference documents about the project.

Record drawings

Construction drawings




Projects 2.2, 2.6, 4.1, 4.2, 8.4 – Secondary Treatment and Dewatering Project

Status: In Procurement
Top

The purpose of the Secondary Treatment and Dewatering Project is to improve various components of this treatment process to meet future requirements. The current secondary treatment process at the Plant cannot meet expected future, stringent nitrogen limits. This project will build conventional activated sludge facilities, which will be the main method to provide secondary treatment. The existing ponds, air flotation tanks, and fixed growth reactors will remain in service to augment the new facilities during periods of high flow.

Once new secondary treatment facilities are constructed, a thickening and dewatering facility will be needed to handle the additional biosolids generated. Solids-handling equipment will be housed in a new building and the ventilated air will be treated by an odor control system prior to discharge to the atmosphere.

This project will also involve new support facilities, including demolishing the existing Administration Building, constructing a new Maintenance Building with shops and storage on the same site and then demolishing the old Maintenance Building.

An RFP was released by the City of Sunnyvale for the design of these facilities in February 2017. The bidding period closed on April 12, 2017. Please see below for links to additional reference documents about the project.

Secondary Treatment and Dewatering documents

Open House Presentation

City standard specifications and details

Program design standards and master planning documents

PEIR

Plant schematics

RFPs for concurrent professional services

Plans, specifications, and reports for current construction projects

Record drawings*

WPCP manuals and data

Other plans, studies, and reports

Permits




Project 8.3 – Administration and Laboratory Building

Status: In Procurement
Top

The new Administration and Laboratory Building, to be located at the southwestern edge of the WPCP between Carl Road and Recycle Hill, will replace the functionality of the existing Administration Building, Laboratory/Control Building, and Compliance Inspection Building. It will house administration, outreach, operations, and laboratory and compliance inspection functions.

The major project elements include site preparation (including the removal of landfill material at the building site along with design of the subsurface gas barrier, collection and venting system), an approximately 22,000 square foot, two-story building, permanent and temporary utility relocations, landscaping, vehicle access, and parking stalls. The Administration building will be designed to meet U.S. Green Building Council LEED Gold rating requirements.

An RFP was released by the City of Sunnyvale for the design of these facilities in February 2017. The bidding period closed on March 27, 2017. Please see below for links to additional reference documents about the project.

Available documents




* The City does not guarantee the accuracy or completeness of record drawings. Consultant shall verify all information to their professional satisfaction.