LA County Sanitation District outlines trenchless sewer rehab in Hawaiian Gardens, warns of parking impacts

LA County Sanitation District representatives told the Hawaiian Gardens City Council on Sept. 10 they will rehabilitate approximately 8,000 linear feet of aging trunk sewer in Hawaiian Gardens using cured‑in‑place pipe (CIPP) technology, with construction work beginning in late October and continuing into January 2026.

The project, described by district staff as a trenchless relining of reinforced concrete pipes and manholes, is scheduled in two main phases. Phase 1 is set to begin Oct. 23 and run through about Dec. 3; Phase 2 is expected to run from Nov. 20 to Jan. 7. The presenter said the work will rehabilitate roughly eight manhole structures on the reach that crosses the Lakewood–Hawaiian Gardens border and extends through sections of Fourteenth Street and Bellshire Avenue.

The Sanitation District representative described the CIPP process: resin‑saturated felt tubing is inverted into the existing sewer, cured with hot water or steam, and then inspected by closed‑circuit TV. “Once the CIPP liner goes in and it’s cured, you can forget completely about the old concrete pipe,” the presenter said, adding the lining is intended to extend the sewer’s…