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OWASA/ Mason Farms Waste Water Treatment Plant (WWTP) Fermenter Mixing Improvements

October 22

ADVERTISEMENT for REQUEST FOR BIDS
Orange Water and Sewer Authority
Mason Farms WWTP Fermenter Mixing Improvements
CIP Project No. 278-78
Issue Date: September 17, 2021
Orange Water & Sewer Authority (OWASA) is inviting contractors to submit a bids for improvements at the Mason Farms Waste Water Treatment Plant (WWTP). This is a lump sum bid with qualification requirements.
The complete advertisement for bidders is located on the OWASA web site (www.owasa.org) and may be downloaded at https://www.owasa.org/bid-opportunities

The primary objectives of the project are to provide:

  • Demolition of existing pipe and mixing headers and associated structural supports inside the fermenter tank.
  • Demolition of submersible pumps, piping, and drip trap in the basement of the Old Digester Control Building.
  • Excavation and demolition of underground fermenter gas condensate pipe.
  • Installation of new mixing nozzles, pipe, and supports in the fermenter tank.
  • Installation of a chopper pump in the basement vault of the Old Digester Control Building.
  • Installation of new pipe, valves and supports in the basement of the Old Digester Control Building.
  • Installation of new gas condensate accumulator and drain and vent piping.
  • Repair and coating of corroded sampling hatches in the fermenter cover.
  • Electrical improvements for power and controls of new equipment.
  • Installation of new level and flow instruments and integration of new controls with the plant-wide SCADA system

A mandatory Pre-Bid Meeting will be held at 3:00 p.m. on October 6, 2021.
Responses to the Request for Bids must be received by 2:00 p.m. on October 22, 2021.

OWASA CIP 278-78 WWTP Fermenter Mixing Equipment Installation Advertisement

Details

Date:
October 22
Event Category: