Project Information

Bid Title

Pump Station 2 Variable Frequency Drive (VFDs) Upgrade at the Water Resource Recovery Facility

Issuing Agency

Great Lakes Water Authority

Location

Michigan

Published Date

Nov 10, 2025

Closing Date

Dec 2, 2025

Government Level

State & Local

Status

Closed

Ref. #

REQ- 0004099

Original Source

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Bid Documents

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Project Description

Project: Pump Station 2 Variable Frequency Drive (VFDs) Upgrade at the Water Resource Recovery Facility

Ref. #: REQ- 0004099

Type: RFB

Status:

Open

Open Date: Jul 14th 2025, 3:00 PM EDT

Questions Due Date: Oct 30th 2025, 12:00 PM EDT

Close Date: Dec 2nd 2025, 12:00 PM EST

Project Description: The Great Lakes Water Authority (GLWA) request bids from construction companies ("Contractor") to provide Pump Station 2 Variable Frequency drives (VFDs) upgrade at the Water Resource Recovery Facility (WRRF). The project includes replacement of sewage pump VFDs, rewinding of sewage pump motors, and electrical distribution system upgrades.
Pump Station 2 receives its influent flow from the Oakwood Interceptor and North Interceptor East Arm (NIEA). It has two (2) wet wells with a total of five (5) sluice gates and five (5) stop logs to control the influent flow from its two (2) sources. Wet wells 1 and 2 receive their flow from the Oakwood Interceptor and NIEA, respectively. Pump Station 2 lifts this wastewater up to a level from which eight (8) centrifugal pumps can pump it out of the wet wells and it can flow by gravity through the screening facility. Five (5) of the eight (8) pumps are variable speed pumps with VFDs. The VFDs are used to control the flow of the wastewater to achieve the required amount of flow.

Commodity Codes

• NAICS 221310Water Supply and Irrigation Systems
• NAICS 237110Water and Sewer Line and Related Structures Construction
• NAICS 238220Plumbing, Heating, and Air-Conditioning Contractors

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