Central Contra Costa Sanitary District
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Construction Zones

CCCSD strives to ensure that our collection and treatment systems operate in the most efficient manner possible. Through an aggressive capital improvement plan, we initiate projects to upgrade our infrastructure and utilize the most advanced, cost-effective equipment and processes available. As these projects develop, we'll keep you informed about them through this section of our site.

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Pleasant Hill/Grayson Creek Trunk Sewer Project

Point of Contact

Chris Carpenter, (925) 229-7200 For construction impacts & general project information.
(Contractors/bidders visit the Business Construction page for project information.)

Project Status

Westover Drive: The contractor is currently installing the new line along Westover Drive. There are several active excavations for the tunneling installation of sewer mains.

Pleasant Hill Road: The contractor has resumed work on Pleasant Hill Road, north of Westover Drive. Construction will continue moving north up to the Pleasant Hill/Martinez border.

Traffic controls will be in place during construction as well as after hours. Please take you time driving through construction zones, follow signage, and directions provided by flaggers.

Project Description

This project will include installation of approximately 12,000 feet of 15, 18, and 24 inch pipes that will divert sewage away from deficient sewers and accomodate future renovation needs in Pleasant Hill and Martinez.

The installation in Gregory Gardens will mostly be via boring, which will require a number of large pits to be dug along the sewer alignment. Work in Gregory Gardens will affect the following streets - Westover Drive, Westover Court, Maureen Lane, Lucille Lane and Kathleen Drive. An informational flyer is available with additional details on the boring installations. (Boring Installation Information download pdf)

Construction on Pleasant Hill Road will mostly be traditional open-cut with some boring under two creek crossings. Work will extend from Westover Drive to North of Devon Avenue.

Construction Schedule

April 2016 - Summer 2017

Project Area Maps download pdf 

Walnut Creek Sewer Renovation Project, Phase 11

Point of Contact

Chris Carpenter, (925) 229-7200 For construction impacts & general project information.

Project Description

The Walnut Creek Phase 11 project will replace/rehabilitate 9,700 feet of sewer pipe at several different sites using open-cut, pipe-bursting, and cured-in-place pipe (CIPP) methods.

Construction Schedule

April 2017 - October 2017

Project Status

In Construction

Project Area Maps download pdf 

Martinez Sewer Renovation Project, Phase 5

Point of Contact

Chris Carpenter, (925) 229-7200 For construction impacts & general project information.

Project Description

The Martinez Phase 5 project will replace/rehabilitate 8,800 feet of sewer pipe at several different sites using open-cut and pipe-bursting methods.

Construction Schedule

June 2017 - December 2017

Project Status

Bidding

Project Area Maps download pdf