Closed

Coutts Crossing and Clarenza Sewage Treatment Plant Augmentations

Tender ID: 592571


Tender Details

Organisation:
Tender #:
RFT25-01  
Status:
Closed
Publish Date:
19 August 2025
Closing Date:
27 October 2025
Closing Time:
03:00 PM (Australia/NSW)

Tender Description

This project is a Develop, Design and Construction tender for:

  • Upgrading the existing 800EP capacity Coutts Crossing Sewage Treatment Plant (STP) to Accepted Modern Technology requirements, and
  • Upgrading three existing, and construction of an additional, sludge lagoon at Clarenza STP.

Tenders are required to be submitted for three options:

1. Undertaking both projects,

2. Undertaking Coutts Crossing STP only, and

3. Undertaking Clarenza STP only.

Works at the Coutts Crossing STP include, but are not limited to:

  • adding chemical phosphorus removal,
  • Providing upflow filtration,
  • Providing ultraviolet disinfection,
  • Constructing a new plant room,
  • Filling the existing catch pond and tertiary pond 1 and constructing a new 100kL catch pond in the current footprint of tertiary pond 1
  • Constructing a new 200kL covered irrigation storage in the footprint of the existing Tertiary Pond 2, and
  • Associated earthworks, pipework, roadwork, and electrical and mechanical work.

Works at Clarenza STP include, but are not limited to:

  • Reconstructing three existing sludge lagoons each of 1.5ML capacity to 2ML capacity,
  • Constructing a fourth 2ML capacity sludge lagoon,
  • Associated pipework, earthwork and roadworks.

Drawing files associated with the Tender can be access through a google drive at click here

A compulsory pre-tender site meeting will be held at 10:30 on Thursday 28 August, commencing at the Coutts Crossing STP (corner of Geragarow Road and Armidale Road Coutts Crossing; entrance from Geragarow Road). Attendees are required to register with the contact officer by CoB on Tuesday 26 August.


Location