Oxnard—The City Council, Tuesday, September 3, unanimously approved an agreement with Taft Electric Company for the Water Resource Recovery Facility Headworks Variable Drive Replacement Project.
The Council approved $2.299 million and authorizes Mayor John Zaragoza to execute an agreement totaling $1.916 million and a $191,587 (10 percent) project contingency.
Assistant Director of Public Works Tim Beaman presented the agreement and said the Headworks was constructed in 2003 and is the receiving station for the City’s Rewood, Central, and Eastern Trunk sewer trunk lines.
“The Headworks, which includes grate removal and screens, is the first point of entry into the treatment plant,” he said. “It transfers the inflows from the subsurface collection system to the above-ground treatment process.”
He said there are six pumps at the Headworks: two fixed-speed pumps have soft starters, which ramp up over time, reducing the immediate electrical load on the system, and four pumps run on variable frequency drives (VFD) which are able to change the pump’s operating speeds.
“All six pumps are controlled by a programmable logic controller (PLC), and all this electrical equipment is original to the 2003 construction,” he said. “The typical useful life for VFDs and CFDs is 7-10 years. We’re…
