---
title: "Nutrient Neutrality -Developing detailed design guidance for wetland mitigation solutions to nutrient pollution"
ocid: "ocds-b5fd17-a13dfeb8-c91c-417b-bc19-bff0ae1586d6"
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markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-a13dfeb8-c91c-417b-bc19-bff0ae1586d6.md"
json_url: "https://d3tenders.com/contract/ocds-b5fd17-a13dfeb8-c91c-417b-bc19-bff0ae1586d6.json"
source: "Contracts Finder"
current_stage: "Award"
buyer: "NATURAL ENGLAND"
published: "2023-11-21"
---

# Nutrient Neutrality -Developing detailed design guidance for wetland mitigation solutions to nutrient pollution

Buyer: NATURAL ENGLAND  
Current stage: Award  
OCID: ocds-b5fd17-a13dfeb8-c91c-417b-bc19-bff0ae1586d6

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## Summary

The procurement process led by Natural England involves the development of detailed design guidance for wetland mitigation solutions to nutrient pollution. This tender falls under the environmental engineering consultancy services category and has a contract value of £48,000. The tender deadline is on August 16, 2023, with the contract period starting on September 4, 2023, and ending on January 14, 2024. The buying organisation, Natural England, located in Bridgwater, England, is seeking proposals in the "services" category through an open procedure.

This tender opportunity by Natural England presents a chance for small and medium-sized enterprises (SMEs) in the environmental engineering sector to compete. Businesses specialising in wetland design, environmental consultancy, and engineering services are well-suited to bid for this contract. The guidance aims to create high-quality wetland solutions aligning with the Nutrient Mitigation Scheme and requires expertise in wetland design, environmental processes, and construction to deliver effective nature-based solutions that address nutrient pollution challenges.

## Notice

The objective of this project is to develop detailed design guidance, based on the best-practice approaches taken by professionals in the feasibility, design and maintenance of treatment wetlands for nutrient mitigation. This will ensure that a set standard for high-quality nature-based solutions is delivered through the Nutrient Mitigation Scheme and other nutrient neutrality mechanisms. The guidance will be used by design and build contractors, as well as local authorities and consenting bodies to ensure wetland proposals are technically robust and will complement the structure of the wetland mitigation framework, as far as is achievable and logical. This should focus on integrated constructed wetland, free surface wetland and other viable wetland mitigation proposals, taking into account the degree of certainty that nutrient reductions will be achieved, alongside a range of other considerations including compatibility with wider habitat restoration opportunities. The guidance must: Set out the processes, calculations, tools and formatting of wetland design processes from feasibility and concept design stages through to detailed design. Utilise at least one case study to demonstrate real-world application of the principles and processes within the guidance. Outline planning, permitting and consenting considerations and signposting to how to carry out these stages effectively. Specify the tasks involved in implementation, operation and maintenance of treatment wetlands, and their associated infrastructure, including timescales and waste management processes. Set out how the above stages key into the existing wetland mitigation framework with degrees of confidence assigned to each process where more than one pathway is presented Provide information on designing wetlands in areas of competing interests; such as where flood management or abstraction pressures exist. (e.g. minimising the impact of abstraction/offtake on depleted reaches of watercourses) Contain information on opportunities to integrate positive biodiversity outcomes within and adjacent to the wetland proposals. Be written for an informed audience, including technical designers and engineers, local authorities and other consenting bodies, who can be assumed to have an existing basic understanding of wetland processes and design parameters. Outline how to deliver high-quality wetlands that are robust to changing climatic variables. (e.g. how to design wetlands where flows may become more variable due to future prolonged drought and rainfall events) Provide a description of how costs would be determined from a detailed design (i.e. what are the cost items associated with the design and delivery of a treatment wetland solution). Be based on the best available evidence. The design approaches should be bespoke and proportional to the types of solutions covered in the guidance and include the parameters used to delineate the selection of one design process over another.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Contracts Finder |
| Latest notice | https://www.contractsfinder.service.gov.uk/Notice/24194c7b-89a2-4139-9974-b7c12ac3fd6c |
| Notice type | Award Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Open |
| Procurement method details | Open procedure (below threshold) |
| Tender suitability | SME |
| Awardee scale | SME |
| All stages | Tender, Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 21 Nov 2023 |
| Submission deadline | 16 Aug 2023 |
| Future notice date | Not specified |
| Award date | 14 Sep 2023 |
| Contract period | 21 Sep 2023 - 9 Feb 2024 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £48,000 |
| Lots value | Not specified |
| Awards value | £40,000 |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Not specified |
| Awards status | Active |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | NATURAL ENGLAND |
| Locality | BRIDGWATER |
| Post town | Taunton |
| Postcode | TA6 4YS |
| Country | England |
| ITL 1 | TLK South West (England) |
| ITL 2 | TLK6 North Somerset, Somerset and Dorset |
| ITL 3 | TLK62 Somerset |
| Local authority | Somerset |
| Electoral ward | Bridgwater North & Central |
| Westminster constituency | Bridgwater |
| Delivery location | Not specified |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | THE RIVERS TRUST |

## CPV Codes

### Divisions

- 71 - Architectural, construction, engineering and inspection services

### Codes

- 71313000 - Environmental engineering consultancy services

## Release History

- 21 Nov 2023 at 09:58 - Award - Award Notice - https://www.contractsfinder.service.gov.uk/Notice/24194c7b-89a2-4139-9974-b7c12ac3fd6c
- 2 Aug 2023 at 10:39 - TenderAmendment - Tender Notice - https://www.contractsfinder.service.gov.uk/Notice/5d20e25a-78a2-4076-a555-28f5a1921743
- 20 Jul 2023 at 11:59 - Tender - Tender Notice - https://www.contractsfinder.service.gov.uk/Notice/5d20e25a-78a2-4076-a555-28f5a1921743

## Documents

- https://www.contractsfinder.service.gov.uk/Notice/24194c7b-89a2-4139-9974-b7c12ac3fd6c
  21st November 2023 - Awarded contract notice on Contracts Finder
- https://www.contractsfinder.service.gov.uk/Notice/5d20e25a-78a2-4076-a555-28f5a1921743
  2nd August 2023 - Opportunity notice on Contracts Finder
- https://www.contractsfinder.service.gov.uk/Notice/Attachment/224f8cfb-9bc3-40ad-b587-7069df7510ec
  RFQ document
- https://www.contractsfinder.service.gov.uk/Notice/Attachment/44778425-9f6b-4762-a5aa-df1efd6cde54
- https://www.contractsfinder.service.gov.uk/Notice/Attachment/4d2bd862-58ea-4ceb-8ecc-74f476e452e7
- https://www.contractsfinder.service.gov.uk/Notice/Attachment/35d4e893-5441-4fc8-98f9-41d78072db4c
- https://www.contractsfinder.service.gov.uk/Notice/SupplierAttachment/ab1e706e-919b-4220-bd9a-c10108bdf9ef

## Provenance

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