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Orange County Sanitation District details Cypress Trunk Sewer Project; work to start this summer
Summary
The Orange County Sanitation District briefed the Cypress City Council on a three-year Cypress Trunk Sewer Project that will increase pipe capacity, rehabilitate aging lines and manholes, and begin construction this July with mostly daytime work and limited night operations in some locations.
The Orange County Sanitation District told the Cypress City Council that it will begin the Cypress Trunk Sewer Project this summer, a three-year program to increase capacity and rehabilitate aging sewer lines across the central and northern parts of the county.
The project will upsise part of the existing main from 18 inches to as large as 27 inches using a pipe-bursting technique and will include cleaning, joint grouting of clay pipe sections, and replacement or rehabilitation of about 100 manholes, Orange County Sanitation District Director of Engineering Mike Dorman said. “This is both a capacity project as well as a rehab project,” Dorman said.
The work will start in July in the Moody–Crescent area and proceed in stages, Dorman said. Most construction will take place during daytime hours (8:30 a.m. to 4:30 p.m.), but a few locations will require nighttime work for tasks including pipe bursting and certain cleaning/grouting operations because flows are lowest at night. For this type of work, Dorman said the sewer flow needs to be “at 25% or less.” He said the district uses traffic control plans, will hold biweekly coordination meetings with city staff, and has a dedicated project website, a 24/7 hotline, and email/text alerts for residents.
Council members asked about impacts to trees, sidewalks and noise. Dorman said most work will occur in the street and around manholes, and that sidewalks should not be affected; he told the council the project will not remove on-street parking except where necessary for work zones. Regarding night operations, he said the contract includes restrictions on adjacent noise and that prior projects produced “no complaints.”
Dicky Fernandez was identified as the construction overseer and Belen Carillo as the project community liaison; Dorman said Carillo will monitor the hotline and community inquiries. The district plans to send printed notice to residents ahead of work and to work with the city on newsletters and other outreach.
The district described its system at a high level: it serves roughly 2.6 million people, receives about 190 million gallons per day and conveys treated flows to regional facilities. Dorman noted that treated effluent is sent to the Orange County Water District for further treatment and indirect potable reuse.
The council did not take action on the presentation; staff said construction scheduling and final details will be provided to the city and residents in the coming weeks. Residents with questions were directed to the project website and the 24/7 hotline.
Residents and businesses should expect localized traffic control and some night work in limited areas; the district said it will provide ongoing updates and coordinate closely with city staff during construction.
