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Bid Classification: 
Construction
Bid Type:  Request for Tender
Bid Number:  T2026-211
Bid Name:  New Hamburg WWTP - Aeration Diffuser & Header Replacement
Bid Status:  Open
Bid Closing Date:  Thu Aug 20, 2026 2:00:59 PM (EDT)
Question Deadline:  Thu Aug 13, 2026 4:00:00 PM (EDT)
Electronic Auctions:  Not Applicable
Language for Bid Submissions:  English unless specified in the bid document
Submission Type:  Online Submissions Only
Submission Address:  Online Submissions Only
Public Opening:  No
Description: 

The scope of work for this project involves the rehabilitation and upgrade of the aerobic digester basin aeration systems. Key activities include cleaning the existing basins, demolishing existing aeration equipment, modifying concrete support infrastructure, and installing a new coarse bubble diffuser system. The work also includes modifications to the process air system, including installation of new twin air headers, removal or abandonment of existing piping, and reconfiguration of blower piping and valving including installation of a valve chamber, and installation of overflow piping between basins. 
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Categories:  Show Categories [+]
  • Utility
    • Supplies
    • Services
  • Water and Sewer
    • Wastewater Treatment & Services
    • Well & Water Related Services
    • New or Replacement Water/Sewer Lines
  • Construction
    • Drainage
    • Municipal Drains
    • Infrastructure (Wastewater)
    • Restoration Services
    • Heavy Duty Equipment

Site Meetings

The following are the meeting times and locations for the bid:

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Plan Takers

The following are the plan takers for the bid:
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