---
title: "Oceanographic and Water Quality Monitoring Mersey Estuary"
ocid: "ocds-h6vhtk-04e49a"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-04e49a"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-04e49a.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-04e49a.json"
source: "Find A Tender Service"
current_stage: "Tender"
buyer: "LIVERPOOL CITY REGION COMBINED AUTHORITY"
published: "2025-02-20"
---

# Oceanographic and Water Quality Monitoring Mersey Estuary

Buyer: LIVERPOOL CITY REGION COMBINED AUTHORITY  
Current stage: Tender  
OCID: ocds-h6vhtk-04e49a

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## Summary

Liverpool City Region Combined Authority has initiated an open tender process seeking costed tenders for survey works in the Mersey Estuary under the title "Oceanographic and Water Quality Monitoring Mersey Estuary." This project falls under the industry category of Technical testing, analysis and consultancy services (CPV code 71600000). The primary aim is to conduct oceanographic, passive acoustic, sediment, and water quality monitoring to support modelling of the estuary and marine mammal assessments. The procurement process is in the tender stage, with the tender submission deadline set for 3 April 2025. The contract period is 540 days, with an optional 12-month extension. The location for the project is within the region classified as UKD7.

This tender provides a significant opportunity for businesses specialising in environmental engineering consultancy, advisory and consultative engineering services, and other technical and scientific services related to marine and estuarine environments. Ideal candidates are firms with experience in similar survey and monitoring projects who can deliver comprehensive data and analysis required for assessing the physical and biological conditions of the Mersey Estuary. Successful bidders can expect to contribute to impactful environmental management and conservation efforts while securing substantial contracts that can drive business growth.

## Notice

Liverpool City Region Combined Authority is seeking costed tenders for survey works to be undertaken at sites in the Mersey Estuary. Observations are required to deliver a program of oceanographic, passive acoustic and sediment and water quality monitoring. This monitoring is needed to support: - modelling of the physical oceanographic regime of the estuary and its influence on the water/sediment quality, - assessments of marine mammal species presence, abundance and habitat use in the Mersey and adjacent areas.

### Lot Information

Lot 1

Liverpool City Region Combined Authority is seeking costed tenders for survey works to be undertaken at sites in the Mersey Estuary. Observations are required to deliver a program of oceanographic, passive acoustic and sediment and water quality monitoring. This monitoring is needed to support: - modelling of the physical oceanographic regime of the estuary and its influence on the water/sediment quality, - assessments of marine mammal species presence, abundance and habitat use in the Mersey and adjacent areas.

Renewal: 1 optional 12-month extension

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/006051-2025 |
| Notice type | Tender Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Open |
| Procurement method details | Open procedure |
| Tender suitability | Not specified |
| Awardee scale | Not specified |
| All stages | Tender |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 20 Feb 2025 |
| Submission deadline | 3 Apr 2025 |
| Future notice date | Not specified |
| Award date | Not specified |
| Contract period | Not specified |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £1,116,000 |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | Not specified |

## Status

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

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | LIVERPOOL CITY REGION COMBINED AUTHORITY |
| Locality | LIVERPOOL |
| Post town | Liverpool |
| Postcode | L3 1BP |
| Country | England |
| ITL 1 | TLD North West (England) |
| ITL 2 | TLD7 Merseyside |
| ITL 3 | TLD72 Liverpool |
| Local authority | Liverpool |
| Electoral ward | Waterfront South |
| Westminster constituency | Liverpool Riverside |
| Delivery location | TLD7 Merseyside |

## CPV Codes

### Divisions

- 71 - Architectural, construction, engineering and inspection services

### Codes

- 71313000 - Environmental engineering consultancy services
- 71318000 - Advisory and consultative engineering services
- 71350000 - Engineering-related scientific and technical services
- 71600000 - Technical testing, analysis and consultancy services

## Release History

- 20 Feb 2025 at 09:20 - Tender - Tender Notice - https://www.find-tender.service.gov.uk/Notice/006051-2025

## Notice URLs

- https://procontract.due-north.com/Advert/Index?advertId=171c0bb2-66ef-ef11-8134-005056b64545
- https://www.liverpoolcityregion-ca.gov.uk/

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-h6vhtk-04e49a. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-04e49a.json.