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charlotte-water-bluet  Charlotte Water / Construction

Irwin Rehabilitation Improvements

Details

Add to Calendar 2021-03-31 2021-03-31 Irwin Rehabilitation Improvements

The Project consists of work in multiple process areas as follows:

  • Replacement of the roof and HVAC equipment at the Administration building.
  • Modifications to the existing grit removal chamber at the flow equalization facilities to include a 7-foot Parshall flume.
  • Spot concrete, sealant, and pavement repairs at the flow equalization facilities.
  • Installation of a third mechanical bar screen in the existing Influent Pump Station. The new mechanical screen is pre-purchased by the Owner. The Contractor will administer submittals and handle receipt, installation, startup, testing, and commissioning.
  • Installation of a new eductor system on all the Influent pumps to automatically vent the pump casings.
  • Modifications to the 18-inch discharge piping of two influent pumps.
  • Installation of a new process analyzer (Chemscan) near the Aeration Basins. The analyzer equipment, FRP enclosure, and sample pumps are pre-purchased by the Owner. The Contractor will administer submittals and handle receipt, installation, startup, testing, and commissioning.
  • Modifications to the plant’s effluent piping (42 and 30 inches in diameter) including replacement of a flowmeter vault with a new vault. The new meter will be provided by the Owner. This work will require bypass pumping.
  • Replacement of the roof and select HVAC equipment at the Old Chlorine Building (Additive Alternate 1).

Posting Number 2021-Q1(Jan-Mar)-CW-4890

Anticipated Posting Date 2021-03-31

Commodity Code(s): 91389

The Project consists of work in multiple process areas as follows:

  • Replacement of the roof and HVAC equipment at the Administration building.
  • Modifications to the existing grit removal chamber at the flow equalization facilities to include a 7-foot Parshall flume.
  • Spot concrete, sealant, and pavement repairs at the flow equalization facilities.
  • Installation of a third mechanical bar screen in the existing Influent Pump Station. The new mechanical screen is pre-purchased by the Owner. The Contractor will administer submittals and handle receipt, installation, startup, testing, and commissioning.
  • Installation of a new eductor system on all the Influent pumps to automatically vent the pump casings.
  • Modifications to the 18-inch discharge piping of two influent pumps.
  • Installation of a new process analyzer (Chemscan) near the Aeration Basins. The analyzer equipment, FRP enclosure, and sample pumps are pre-purchased by the Owner. The Contractor will administer submittals and handle receipt, installation, startup, testing, and commissioning.
  • Modifications to the plant’s effluent piping (42 and 30 inches in diameter) including replacement of a flowmeter vault with a new vault. The new meter will be provided by the Owner. This work will require bypass pumping.
  • Replacement of the roof and select HVAC equipment at the Old Chlorine Building (Additive Alternate 1).

Requirements

Last Updated: 04/05/21
Estimated Total Value+
Contract Term+
Utilization+
Insurance Requirements+
Bonding Requirements+
Subcontracting Opportunities+

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For Questions, Contact:

Rebecca Adams

City Contact

radams@charlottenc.gov