---
title: "Oxford STW Upgrade Project"
ocid: "ocds-h6vhtk-04a582"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-04a582"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-04a582.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-04a582.json"
source: "Find A Tender Service"
current_stage: "Tender"
buyer: "THAMES WATER UTILITIES LIMITED"
published: "2024-11-04"
---

# Oxford STW Upgrade Project

Buyer: THAMES WATER UTILITIES LIMITED  
Current stage: Tender  
OCID: ocds-h6vhtk-04a582

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## Summary

The procurement process for the Oxford Sewage Treatment Works (STW) Upgrade Project is managed by Thames Water Utilities Limited, based in Reading, United Kingdom. This project, classified under "Construction work" (CPV code 45000000), aims to upgrade the Oxford STW under the AMP7/AMP8 programme. The procurement stage is currently in the Tender phase, with the process conducted through a negotiated procedure with a call for prior competition. The PQQ submission deadline has been updated to 25th November 2024 at 12 noon. Key elements of the project include compliance with new quality permits, increasing flow and storm tank capacity, upgrading effluent treatment processes, among other infrastructural enhancements. The contract value ranges between £240,000,000 and £260,000,000, with an overall contract period lasting approximately 5 years (1800 days).

This tender presents substantial opportunities for businesses in the construction and water treatment sectors. Companies with expertise in large-scale infrastructure projects, particularly those specialising in sewage and water treatment systems, will find this project particularly well-suited to their capabilities. The scope of work, including the compliance adjustments and capacity enhancement tasks, offers significant growth potential through the establishment of long-term partnerships with a major utility provider like Thames Water. As the procurement is selective and involves electronic submissions, businesses adept at navigating eSourcing systems and able to meet stringent economic and technical criteria will be well-positioned to compete.

## Notice

AMP7/AMP8 upgrade project at Oxford Sewage Treatment Works (STW)

### Lot Information

Lot 1

AMP7/AMP8 upgrade project at Oxford Sewage Treatment Works (STW) 1. Compliance with a new quality permit consisting of an ammonia consent reduction from 3mg/l to 1mg/l; and a Tot-P reduction from 1mg/l to 0.25mg/l. 2. Increase flow to full treatment from 1,040l/s to 1,802l/s. 3. Increase in the storm tank capacity from 6,831m3 to 18,167m3. 4. Replace inlet works and upgrade the effluent treatment process with a new 170,000PE stream. 5. Increase dissolved oxygen level in the final effluent channel. 6. Address existing effluent stream process capacity pinch points. 7. Increase the throughput capacity of sludge treatment process. 8. New power supply, HV ring main, fibre optic network and SCADA upgrade.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/035664-2024 |
| Notice type | Tender Notice |
| Procurement type | Standard |
| Procurement category | Works |
| Procurement method | Selective |
| Procurement method details | Negotiated procedure with prior call for competition |
| Tender suitability | Not specified |
| Awardee scale | Not specified |
| All stages | Tender |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 4 Nov 2024 |
| Submission deadline | 11 Nov 2024 |
| Future notice date | Not specified |
| Award date | Not specified |
| Contract period | Not specified |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £240,000,000 |
| 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 | THAMES WATER UTILITIES LIMITED |
| Locality | READING |
| Post town | Reading |
| Postcode | RG1 8DB |
| Country | England |
| ITL 1 | TLJ South East (England) |
| ITL 2 | TLJ1 Berkshire, Buckinghamshire and Oxfordshire |
| ITL 3 | TLJ16 Berkshire West |
| Local authority | Reading |
| Electoral ward | Thames |
| Westminster constituency | Reading Central |
| Delivery location | TLJ1 Berkshire, Buckinghamshire and Oxfordshire |

## CPV Codes

### Divisions

- 45 - Construction work

### Codes

- 45000000 - Construction work

## Release History

- 4 Nov 2024 at 14:52 - TenderUpdate - Tender Notice - https://www.find-tender.service.gov.uk/Notice/035664-2024
- 3 Oct 2024 at 13:50 - Tender - Tender Notice - https://www.find-tender.service.gov.uk/Notice/031739-2024

## Notice URLs

- https://forms.office.com/e/EP4BBSfp6k
- https://thameswater.sharepoint.com/sites/ProcurementSupportCentreBidProcessRepository/FA2071OxfordSTWAMP7Upgrade
- https://www.thameswater.co.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-04a582. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-04a582.json.