Category Archives: Water Resource

EBMUD, Mokelumne Aqueducts Interconnection

Project involved the procurement and installation of large, up to 84 inches, diameter valves and piping in the Sacramento River Delta at seven different locations to improve the reliability of the aqueducts.  Cast-in-place concrete vaults were built as part of the contract to enclose the valves at several of the location.  Large...
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Lower Silver Creek Flood Protection & Creek Restoration

The work elements include:  construction of over 48,600 linear feet of soldier and CIDH piles to support both timber lagging walls and concrete floodwalls.  During construction, more than 4,500 cubic yards of concrete was placed to construct the floodwalls and nineteen 12’ x 12’ pre-cast reinforced concrete box culverts set underneath Story Road.   The work involved in channel...
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Flume 41 Replacement Restoration Project

Work included but not limited to: The removal of loose material and rock scaling on the uphill side of the flume, installation of rock anchors and wire mesh drapery for slope protection and drainage improvements; the stabilization of approximately 452 feet of existing flume bench including rock anchors, void grouting and shotcrete...
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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...
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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...
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