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

Lucille Lane & Kathleen Drive: The contractor is currently installing the new line along Kathleen Drive and Lucille Lane. There are several active excavations for the tunneling installation of sewer mains. During the working hours of 8:30 am – 6:00 pm, Kathleen Drive will be closed to through traffic, and traffic will be flagged in both directions on Lucille Lane. After working hours and on weekends, Kathleen Drive will remain one way, with traffic flowing in the eastbound direction (from Lucille Ln. to Ardith Dr.). On Lucille Lane two lanes of traffic will be open outside of construction hours. Residents who live on Kathleen will be allowed access during work hours.

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 

Lafayette Sewer Renovation Project, Phase 10

Point of Contact

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

Project Description

The Lafayette Phase 10 project will replace/rehabilitate sewer pipe at several different sites using open-cut and pipe-bursting methods.

Construction Schedule

April 2016 - November 2016

Project Status

In Construction

Project Area Maps download pdf 

North Orinda Sewer Renovation Project, Phase 6

Point of Contact

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

Project Description

The North Orinda Phase 6 project will replace/rehabilitate approximately 7,800 of sewer pipe at several different sites using open-cut and pipe-bursting methods.

Construction Schedule

May 2016 - November 2016

Project Status

In Construction

Project Area Maps download pdf