Main Waste Water Treatment Plant, Grit System Improvements

PrōVen constructed a 140-million gallons per day Vortex Grit Tank Structure consisting of two 70-MGD Vortex Grit Tanks, all mechanical, structural, and electrical/control components. PrōVen also rehabilitated the existing bypass channel; provided new butterfly valves; gallery drain improvements; and site improvements.  Work involved activities and connections to the existing wastewater facilities.  All safety regulations were strictly complied with to protect work forces in potentially hazardous conditions such as excavation, hauling and disposal of soil and groundwater from the excavations.

Location: 2020 Wake Avenue
Oakland, California
Start Date: June 2005
Completion Date: November 2006, 540 calendar days
Contract Value: $6,297,094
Owner: East Bay Municipal Utility District
Contract No. SD-260
Engineer: East Bay Municipal Utility District
Project and Construction Management