Closed
Willunga Creek Stormwater Project
Tender ID: 621430
Tender Details
Organisation:
Tender #:
COO059098
Status:
Closed
Publish Date:
4 August 2026
Closing Date:
26 August 2026
Closing Time:
02:00 PM (Australia/South)
Tender Description
Overview
The City of Onkaparinga is seeking a contractor for the Willunga Creek Stormwater Project, which aims to improve the creek's capacity, resilience, and ecological condition while reducing flood impacts on surrounding properties.
About
The creek flows south to north, with the works extending through nine private properties.
Scope
The scope includes:
- Raising existing earth bunds along the creek alignment by up to 300mm to improve flood protection
- Constructing concrete plinths or extensions to existing stone retaining walls within private properties in areas where space is limited
- Replacing one existing culvert to increase hydraulic capacity and improve creek flow
Tender Briefing and Site Inspection
A briefing session will be held for this opportunity. A site visit is a pre-requisite to submission and consideration of a bid.
- Date: 7 August 2026
- Time: 11:00 am
- Location: Aldinga Road, Willunga, SA, Australia, 5172
- Notes: https://maps.app.goo.gl/ttgsV513tQJvBpnY7
Location
- Site: Aldinga Road, Willunga, SA, Australia, 5172
- Map: View on Google Maps
Enquiries
- Contact: John Braun
- Email: john.braun@onkaparinga.sa.gov.au
Location
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