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Bidjugde
JOB
Mid Basin Injection Centennial Park
BID DATE
04/25/17 - 2:00
AGENCY
Orange County WD
ESTIMATE
$30,000,000
SCOPE
The Mid-Basin Injection: Centennial Park project generally consists of the following major components being performed under strict timeline and spatial requirements: Supply and Backflush Pipelines: Construct CMC&EL steel supply pipeline from the existing GWRS pipeline in the levee of the Santa Ana River, across piers of the Edinger Avenue bridge, and terminate at vaults within Centennial Park. Construct CML&C steel or DIP backflush pipeline from the wells to air-gap structures. The majority of the pipeline construction must be performed at night. Injection and Monitoring Wells: Drill, construct, develop, and equip four injection wells within Centennial Park. Drill, construct, and develop a monitoring well. All well heads shall be contained within below grade vaults. Sound walls are required at each well. Twenty-four hour per day operations are required during portions of this work. Shared Structures: In Centennial Park, construct a new masonry building to house equipment, restrooms, and changing rooms. Also in the Park, demolish an existing restroom structure and replace with a new masonry building to house equipment, restrooms, and an office. Instrumentation and control systems for the injection wells shall be integrated into the structures and existing OCWD fiber optic network. Paving and Site Improvements: Remove and overlay asphalt pavement within parking lot and roadways. Remove and replace fencing around the skate park. Construct a camera security system at the skate park. Construct educational panels and decomposed granite. Ben Smith • bsmith@ocwd.com

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