Airway-Airport Loop Sewer Rehabilitation Project

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 has transitioned to Phase 3 (see Construction Schedule section below) of the construction, which includes the rehabilitation of the second of the two pipelines. Traffic lanes have been temporarily reconfigured with striping and k-rail barriers. 

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

• What:  Sewer rehabilitation work
• When: Current – August 2025*
• Work Hours: Monday – Friday, 8:30 a.m. – 3:30 p.m.

• Additional Information: The actual rehabilitation work will be done in several segments. Each segment requires continuous uninterrupted work hours and may extend outside normal working hours, including night work. More details and information will be provided when those dates are scheduled. 

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

Installing connecting pipe piece at Main Street Pump Station.

• What:  Rehabilitating and constructing pipelines, pumps, and valves
• When:  Ongoing – July 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