CHI Construction · Southern California
Underground Utilities
Public works, commercial and residential pipeline installation, replacement, excavation and site restoration.
Underground infrastructure
CHI Construction installs and replaces water, sewer and storm drain systems for public works, commercial, industrial and residential projects. We coordinate with owners, municipalities and project teams to plan the work and manage site requirements.
Our pipeline experience includes water distribution and transmission mains, sewer systems and related underground structures.
Pipeline & utility services
- Potable and recycled water mains
- Sewer mains and service connections
- Storm drain installation and replacement
- Manhole installation
- Water services and meter assemblies
- Fire hydrants
- Underground conduit
- Cathodic protection
Excavation through restoration
Our scope can include excavation, trenching, grading, pipe installation, backfill and pavement restoration. Water system work can also include hydrostatic testing, chlorination, bacteriological testing and flushing.
Project planning accounts for site access, existing utilities and coordination with the agencies involved. Contact us to discuss your plans and construction requirements.
Project portfolio
Our crews at work.
Selected photographs of pipeline construction, excavation, trench shoring, equipment and site improvements. Select a photograph to see the full image.












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