Mason Farms Waste Water Treatment Plant (WWTP)

by December 8, 2020

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REQUEST FOR BIDS 

ORANGE WATER AND SEWER AUTHORITY
MASON FARMS WWTP FERMENTER MIXING IMPROVEMENTS
CIP PROJECT NO. 278-78 

ISSUE DATE: DECEMBER 10, 2020

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 entire 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, mixing headers, standpipe, and structural supports inside the fermenter tank.
  • Demolition submersible pumps and piping.
  • Removal and support of section concrete floor.
  • Excavation and demolition of underground fermenter gas condensate pipe and drip trap.
  • Installation of new mixing equipment, including pumps, valves, and piping.
  • Rerouting digester gas piping.
  • New digester gas condensate accumulator, drain and vent piping.
  • Repair and coating of corroded sampling hatches in the fermenter cover.
  • Electrical demo and installation for power, controls, and instrumentation.
  • SCADA system improvements., as defined in the CITI scope of supply (Appendix C).
  • Repair of Fermenter Tank concrete wall and coating.

A mandatory Pre-Bid Meeting will be held at 10:30 a.m. on December 16, 2020. 

Responses to the Request for Bids must be received by 2:00 p.m. on January 18, 2021.  

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