City – ProVen Management

MUNI Sunset Tunnel Trackway Improvement Project, SFMTA #1270

The work includes replacing the existing tie and ballast tracks; replacing existing overhead catenary system (OCS), including messenger wires, trolley wires and various components. Seismic upgrade for portal retaining walls; upgrading traction power cable infrastructure; adding a new accessible key stop at Judah and 28th Street. New VTAG loops at nine intersections along the N-Line […]

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MUNI Green Light Rail Center Track Replacement, SFMTA Contract #1249

City, Projects, Railway / Maria Mares

The work is located at Curtis Green Light Rail Center (Green Facility) next to Balboa Park Station in San Francisco. Green Facility is one of Muni’s light rail vehicle maintenance and storage facilities. The purpose of this project is to replace and rehabilitate the light rail system to maintain safe and efficient operation. The scope

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SFO Terminal Upper Level Viaduct Improvements, Phase 2

City, Projects, Retrofit / Maria Mares

Seismic retrofit of the Upper Level Viaduct structure adjacent to SFO Terminal 3. Work included micropile installation, pilecap extension, column casing installation, grade beam construction and expansion joint widening at sliding door locations. This project also included incidental roadway work such as sidewalk and island demolition and reconstruction, pavement overlay, underground utility relocation/installation, exhaust fan relocation, traffic control,

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O’Shaughnessy Dam Electrical and Mechanical Upgrade

City, County, Power / admin

PrōVen replaced the water piping and the mechanical supports at the O’Shaughnessy Dam; and installed new conduits, wiring, switches, and junction boxes as necessary to comply with National Electric Code. PrōVen also installed all new hydraulic systems for the gate valves operating flow for the entire dam. Panel boards and miscellaneous electrical items as well

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Priest Reservoir Bypass Pipeline

City, Environmental Restoration, Water Resource / admin

The Priest Reservoir project was completed in 42 days. During the construction of this project all water from the Sierra was shut down to the Bay Area. This was a very important project for the SFPUC as a delay could have resulted in severe water shortages to the Bay Area. Proven received a bonus for completing the project within schedule and

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