Upcoming Work
LOCATION: Gisler Avenue between College Avenue and Fairview Road
What: Manhole rehabilitation
When: Starting as early as January 6 and lasting approximately 2 weeks
What to Expect:
- Manhole frame and cove replacement
- Interior manhole rehabilitation
- Approximately 2-3 days at each manhole location
- A total of five manhole locations
Future Work
LOCATION: Pacific Arts Plaza on Park Center Drive to the Brookview Community
What: Sewer line rehabilitation work crossing under the 405 freeway
When: Anticipated to occur early 2025, approximately 2 weeks
What to Expect:
- A temporary sewer bypass system will be installed. It will be removed when the work is completed.
- Above ground temporary piping installed along the work area.
- Brookview Community – This will limit access to the grass area.
- Bypass pumps will be set up and used only when the sewer bypass system is turned on.
- Increased noise due to construction activity.
- Some odors may be noticeable in the immediate area but are temporary
LOCATION: Bear Street from South Coast Plaza to The Palazzo by Khoshbin
What: Sewer line rehabilitation work crossing under the 405 freeway
When: Anticipated to occur early 2025
LOCATION: Brookview Community along the 405 Freeway
What: Driveway modifications for manhole access improvements and installation of a new gate near Lassen Lane within the Brookview Community
When: Anticipated to occur early 2025
LOCATION: Pacific Arts Plaza
What:Â Manhole access improvements
When:Â Anticipated to occur in 2025
More information about future work will be provided as the work approaches and schedules are confirmed.
*All dates and times are subject to change due to operational factors or inclement weather.
OTHER INFORMATION: Â For more project information visit ocsan.gov/Alongthe405
Work is also occuring at the OC San Main Street Pump Station in the City of Irvine. See ocsan.gov/airwayairport for more information.
Project Description
This project will rehabilitate approximately 4 miles of the regional sewer pipeline that runs along the I-405 freeway in the City of Costa Mesa.
Project elements include the rehabilitation of gravity sewer pipelines using the cured-in-place-pipe method, manhole structure rehabilitation, and manhole access improvements. The project also includes the rehabilitation of four sewer pipelines that cross the I-405 freeway.
Project Map
Stay In The Know
Community Liaison:
(714) 378-2965
Email:
constructionhotline@ocsan.gov
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Related Construction
Site Location
Construction Schedule
Summer 2024 - early 2026*
Construction Budget
$43.4 million