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Naval Base Coronado Campus Sewer Force Main Project

  • Naval Base Coronado Campus Sewer Force Main Project
  • Naval Base Coronado Campus Sewer Force Main Project
  • Naval Base Coronado Campus Sewer Force Main Project

The City of Coronado will be constructing a recycled water treatment plant which will provide recycled water to local users. The new Naval Base Coronado Campus (NBCC) wastewater collection system will serve as a major source of water for the recycled water treatment plant. To connect the NBCC water system to the treatment plant, the City needed three miles of 8-inch HDPE force main and modifications at two pump stations. Kleinfelder provided wastewater conveyance pipeline design, geotechnical engineering, environmental permitting, materials testing, and construction management services.


Adjacent to Sensitive Sites

The NBCC is adjacent to two state parks, the Pacific Ocean, San Diego Bay, and a number of wildlife and wetland protected areas. The proximity to sensitive areas made the selection of pipeline alignment a crucial part of the design process. Kleinfelder implemented creative solutions to minimize the design impact, reducing the approval review process period. The entire project was designed, approved, and constructed within an 18-month timeframe to meet the required schedule for the City and Navy.

Multiple Stakeholders and State Regulatory Agencies

Kleinfelder worked with multiple stakeholders and state regulatory agencies to design an alternative alignment. Taking advantage of an abandoned railway easement, Kleinfelder ran the pipeline system between multiple wildlife reserves and under State-Route 75. Multiple pipeline installation techniques were implemented to minimize environmental disturbance, including open cut trenching, guided auger jack and bore, and horizontal directional drilling.

Project Results

The advanced pipeline installation techniques implemented by Kleinfelder’s trenchless technology experts helped keep the project on schedule, while Kleinfelder’s construction managers and materials testing technicians provided close construction oversight to ensure quality was maintained despite the expedited schedule. Kleinfelder’s design team remained engaged throughout construction, proactively mitigating potential issues that could have impacted the schedule.

Project Details

Location:
Coronado, San Diego, California

Owner:
City of Coronado, California

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