Contractor of Choice – Mladen Buntich Construction Co. was contracted by the Los Angeles County Sanitation District. This project was a 96-inch CCFRPM slipliner project.
As the leader in the Trenchless industry for live flow sewer rehabilitation projects, Buntich crews were up to the challenge to complete another successful large diameter sewer pipeline rehabilitation project. This project consisted of the structural rehabilitation 1,976 LF of structurally deteriorated reinforced concrete sewer pipe that was originally constructed in the early 1900’s.
The Buntich Project Team procured the new CCFRPM liner and began excavation of the insertion pits. The team used beam & plate shoring system prior to cleaning and proofing the pipe. Once the CCFRPM liner arrived and the existing sewer pipeline was prepared for the new liner insertion, the Buntich Crews utilized the Akkerman Hydraulic Slipline Machine SL/50 to successfully insert the liner into place.
Additional Features Include:
- Access shaft installation with use of soldier beams and steel plates
- Removal of debris
- Placement of approximately 1,976 CCFRPM liner
- Re-routing of plant utilities
- Manhole rehabilitation
- Annular space grout
- Closure couplings with a pipeline encasement at the insertion pit
- Site restoration and rehabilitation including AC pavement and hardscaping
