Upcoming Work
This project is continuing with sewer rehabilitation work. We appreciate your patience as this work is being done to enhance the aging infrastructure to extend the life of the regional sewer system.
LOCATION: Pacific Arts Plaza on Park Center Drive and Brookview Community
The sewer pipe is being rehabilitated along a portion crossing under the 405 freeway. Bypass pumps and installation of above ground piping are required to reroute the sewer flow to allow for the rehabilitation to be completed without interrupting service to the community. Works consists of the installation of the temporary sewer bypass system; pipeline cleaning, rehabilitation, and post inspection; and the removal of the bypass system.
When: Starting as early as the week of April 7, 2025, and lasting approximately 3 weeks
Work Hours: Monday – Friday, 8 a.m. – 5 p.m.*
*All dates and times are subject to change due to operational factors or inclement weather
Impacts:
- Increased noise due to construction activity and bypass pumps.
- Temporary above-ground piping will be placed along the work area, limiting access to the grass area in Brookview Community.
- Some temporary odors may be noticeable in the area.
- Bypass pumps will be set up and used only when the sewer bypass system is turned on. It will not be on the entire construction duration.
LOCATION: Near Bear Street from South Coast Plaza to The Palazzo by Khoshbin
The sewer pipe is being rehabilitated along a portion crossing under the 405 freeway.
When: Starting immediately after above work is completed, and lasting approximately 3 nights.
Work Hours: Nightwork between 7 p.m. and 7 a.m., Sunday – Saturday. Start time will be dependent on South Coast Plaza operating hours.*
Impacts:
- All work anticipated to occur during the nighttime hours to limit impact to South Coast Plaza operating hours and when sewer flows are at its lowest.
- Limited access to South Coast Plaza entrance @ Metro Point East only.
- Reduced lanes on southbound Bear Street between Sunflower Avenue and Metro Point East.
*All dates and times are subject to change due to operational factors or inclement weather.
LOCATION: Pacific Arts Plaza on Park Center Drive
Landscape and driveway improvements to existing manhole location.
When: Anticipated to occur Spring 2025
Work Hours: Monday – Friday, 7 a.m. – 5 p.m.*
Impacts: Increased construction activity and noise within the Plaza Arts Center
*All dates and times are subject to change due to operational factors or inclement weather.
Project Description
This project will rehabiliate 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, manhole structure rehabilitation, and manhole access improvements. The project also includes the rehabilitation of sewer pipelines that cross under 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