Collection System Renovation Projects

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Project-specific information such as descriptions, maps, and contacts can be found here.

DOWNTOWN WALNUT CREEK SEWER RENOVATION PROJECT, LOCUST

Project Description The Downtown Walnut Creek Sewer Renovation Project replaces sewers primarily along Locust Street in downtown Walnut Creek.

The streets impacted by this work include:

  • Locust Street, from Giammona Drive to just short of Olympic Boulevard
  • Giammona Drive, Between Locust Street and N. California Boulevard
  • Bonanza Street, between Locust Street and N. California
  • Cypress Street, between N Main Street and N. California Boulevard
  • Mt. Diablo Boulevard, between N Main Street and N. California Boulevard

Project Map Downtown Walnut Creek Sewer Renovation Project map

Project Status In Construction

Construction Schedule October 2023 – May 2024

  • Week of March 18th:
    • (Crew 1) Construction on Cypress St. on both sides of Locust St.
    • (Crew 2) Construction on Mt. Diablo Blvd. between Locust St. and N. Main St.
  • Week of March 25th:
    • (Crew 1) Construction on Cypress St. on both sides of Locust St.
    • (Crew 2) Locust St. and working from Mt. Diablo Blvd. north towards Cypress. St.

Project Information:

Contacts:

  • Routine Questions: Chris Carpenter, Central San, (925) 229-7200
  • On-Site Inspector: John Nolan, J.N. Engineering, (925) 915-9604
  • Contractor’s Supervisor: Juan Perez, Precision Engineering Inc.,  (415) 760-8744

PLEASANT HILL SEWER RENOVATION PROJECT, PHASE 2

Project Description The Pleasant Hill Sewer Renovation, Phase 2 will replace approximately 1.6 miles of sewers primarily in the Gregory Gardens neighborhood along with additional work in other parts of the City.

Project Status In Construction

Construction Schedule August 2023 – April 2024

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

WALNUT CREEK SEWER RENOVATION PROJECT, PHASE 16

Project Description The Walnut Creek Sewer Renovation Project, Phase 16 project will replace/rehabilitate approximately 11,000 feet of sewer pipe at several different sites in Walnut Creek and Alamo using open-cut, pipe-bursting, Horizontal Directional Drilling (HDD), and CIPP methods.

Project Status Construction

Construction Schedule August 2022 - September 2023

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

MARTINEZ SEWER RENOVATION PROJECT, PHASE 7

Project Description The Martinez Sewer Renovation Project, Phase 7 will replace approximately 1.25 miles of sewers along Alhambra Avenue (Escobar Street to Soto Street and C Street to F Street) as well as on Escobar Street (Alhambra Avenue to Berrellesa Street).

Work hours are Monday – Friday from 8:00 am – 4:30 pm, with street/lane closures from 9:00 am – 4:00 pm. A single lane of traffic will remain open along Alhambra Avenue during work hours.

Project Status Post Construction

Construction Schedule January 2023 – July 2023

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

SOUTH ORINDA SEWER RENOVATION PROJECT, PHASE 9

Project Description The South Orinda Sewer Renovation Project, Phase 9 will replace approximately 2.0 miles of sewers primarily in Overhill Road, Scenic Drive, Valley Drive, Leslee Lane, and Lavenida Drive, as well as various locations in Orinda, south of Highway 24.

Project Status Design

Construction Schedule TBD

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