Airway-Airport Loop Sewer Rehabilitation Project

Home >> Construction >> Airway-Airport Loop Sewer Rehabilitation Project
April 29, 2025

UPCOMING WORK

Construction continues on the Airway-Airport Loop Sewer Rehabilitation project.  The project rehabilitates two regional sewer pipelines, occurring in separate phases, to ensure continuous and uninterrupted sewer service.

The project is transitioning to Phase 3 (see Construction Schedule section below) of the construction, which includes the rehabilitation of the second of the two pipelines.  There will be temporary construction striping, k-rail and construction barrier set up, and dewatering system installation.

LOCATION: Airway Ave., north of McCormick Ave., and Airport Loop Dr., Costa Mesa

  • What:  Traffic lanes temporarily reconfigured with striping. Lanes will be shifted to the previous configuration during Phase 1, which allowed for a designated construction work area, and still allowing a lane of travel in each direction.
  • When: Night of Tuesday, April 29
  • Work Hours: Nightwork, 8 p.m. – 6 a.m.

Graphic showing upcoming work area limits on Airway and Airport Loop.

ONGOING WORK

LOCATION:  Main Street Pump Station, 1499 Main St., Irvine

Project No. 7-65 install 30 inch tie in spool at Main Street Pump Station

Installing connecting pipe piece at Main Street Pump Station.

  • What:  Rehabilitating and constructing pipelines, pumps, and valves
  • When:  Ongoing - Spring 2025
  • Work Hours:  Day-time work, 7 a.m. - 5:30 p.m.
  • What to Expect:
    • Occasional reduced travel lanes on westbound Main St.
    • Increase in activity and noise levels

*All dates and times are subject to change due to operational factors or inclement weather.

CONSTRUCTION SCHEDULE

graphic showing the construction schedule phases for Airway Airport Loop Project

Project Description

This project will rehabilitate two parallel regional sewer pipelines, along a 1-mile stretch on Airway Avenue and Airport Loop Drive in the City of Costa Mesa, near the John Wayne Airport. The rehabilitation of the two pipelines must occur one at a time and will take place in separate phases.

Project elements also include improvements at the Main Street Pump Station.  See map below (blue line).

Project Map

Stay In The Know

Community Liaison:
(714) 378-2965

Email:
constructionhotline@ocsan.gov

Sign up for text alerts:
click here

Project Archive

Related Construction

Site Location

Construction Schedule

Fall 2023 - early 2026

Construction Budget

$43.4 million