Projects

EBMUD, Main Wastewater Treatment Plant Digester Upgrade, Phase 2

The EBMUD Digester Upgrade Project, Phase 2, included:  rehabilitation of four existing two million gallon digesters by replacing the floating covers with fixed covers, adding internal mixers and new mechanical pumps and piping; rehabilitation of seven existing two million gallon digesters my adding mechanical pumps and piping; conversion of two secondary digesters to primary; construction of …

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Patterson Irrigation District Fish Screen Intake

Construction of a new fish screening facility on the San Joaquin River.  The work involved construction of a pile-supported 195 cubic feet per second pump station with a concrete constructed frame and top deck.  The structure had fish screens mounted on the face on the river side with a brush cleaning system and sedimentation system as ancillary components …

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Initiate and Complete Construction of Napa Creek Site

This project, which occurs throughout residential and business areas of Napa, California, required great sensitivity to the local residents while maintaining water quality in the Napa Creek and the Napa River.  Extensive shoring was utilized in order to protect buildings adjacent to the project with a close adherence to vibration limits.  Stream bed restoration of Napa Creek was central to the project …

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South Bay Water Recycling Program SJ 11 – Zone 3 Reservoir & Pipeline

PrōVen installed 5,000 LF of 24″ diameter restrained pipe, connected it to the existing pipe at the intersection of Villa Vista Road and Yerba Buena Road.  PrōVen also installed 820 LF of 12″ diameter pipe and portable water service assemblies with vaults and valves, 600 LF of 18″ diameter pipe, and two 18″ recycled water service assemblies at the …

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Broadway Brommer Multi-Use Path and Bridge

Project consisted of a 350-feet long, stress-ribbon, pedestrian suspension bridge with concrete abutments, 100-feet deep ground anchors and CIDH piles, a 70-feet long, pre-engineered bridge with concrete abutments supported on CISS pipe piles; 1,200 linear feet of pervious concrete pathway; timber lagging wall with H piles; MSE walls and earthwork; asphalt and concrete walkways, including …

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