Category Archives: County

O’Shaughnessy Dam Electrical and Mechanical Upgrade

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...

Colma Creek Flood Control Channel Wall Repair

This project included the repair and upgrade of a section of the Colma Creek at Spruce Avenue Bridge.  The existing concrete wall was removed and replaced with a concrete “U” channel, which created a concrete floor where the existing earthen bottom was.  PrōVen also replaced the failing walls with new ones.  The...