Lot C: River Colne Constructed Wetland Outline Design and Feasibility
Buyer: Watford Borough Council
- Published
- 18 August 2025
- Submission deadline
- 12 September 2025
- Estimated value
- £25,000
- Procedure
- Open procedure
- Lots
- 1
- Documents
- 1
- Notice number
- 049440-2025
- Reference
- ocds-h6vhtk-0589a1
- Official source
- Official source
CPV codes
- 45246000River regulation and flood control works
- 45246200Riverbank protection works
- 71241000Feasibility study, advisory service, analysis
Description
This tender will encompass the following activities. 1. Topographical, hydrological, sediment and water quality surveys to understand the through-flow regime, likely input quality and quantities for a range of surface water run-off conditions. 2. Strategic investigation of on-site ground contamination and suitability of existing sediments for re-use or to allow identification of requirements for disposal (including Water Regulations (WR), Waste Management (WM3), and Waste Acceptance Criteria (WAC) as needed). 3. Biodiversity Net Gain assessment and Preliminary Ecological Appraisal highlighting lessons learned from the historic wetland design where evidence exists. 4. A multi-criteria options appraisal matrix to record and assess relative costs and benefits of a variety of sub-options and approaches to determine an evidenced preferred option. 5. Lead a stakeholder workshop and consultation exercise. 6. Provide appropriate information design to support discussions with stakeholders including reference to options for sediment movement volumes, space for sediment drying / processing area, gravel quantities / sourcing, water volume and retention requirements for functional filtrati…
Official publications
- FTS · 049440-2025 · 18 August 2025
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Frequently asked questions
- What is the deadline to bid for this tender?
- The submission deadline is 12 September 2025. Check the official source, as dates can be modified.
- What is the estimated value of this tender?
- The estimated value published by the buyer is £25,000.
- Who is the buyer of this tender?
- The contracting authority is Watford Borough Council (United Kingdom).
- How can I bid for public tenders in the United Kingdom?
- Bids are submitted through the official public procurement portal in the United Kingdom. El Vínculo helps you find tenders and analyse their documents; submission always happens at the official source.
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