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Southern Water Andover Link Main (ALM) Pipeline Construction & Connection

Southern Water Services Limited

This public procurement record has 3 releases in its history.

Tender

26 Sep 2025 at 14:48

UK4 - Tender Notice
Planning

02 Sep 2025 at 15:49

UK3 - Planned Procurement Notice
Planning

16 May 2025 at 09:50

UK2 - Preliminary Market Engagement Notice
Summary of the contracting process

Southern Water Services Limited is seeking tenders for the construction and connection of the Andover Link Main (ALM) Pipeline. This project, part of the Water Resources Management Plan (WRMP) programme, is designed to enhance the water supply infrastructure between Winchester and Andover, contributing to strategic drought resilience. The procurement process is at the "tender" stage with key deadlines such as the expression of interest deadline on 27th October 2025. The project is classified under the "works" category, specifically targeting water-distribution pipelines, with an anticipated contract value of £70 million. This selective procurement is undertaken through a competitive flexible procedure and will involve a design and build contract led by a principal contractor. The completion dates for the installation are slated between 2026 and 2030.

This tender presents significant opportunities for entities specializing in large-scale infrastructure projects, especially those with experience in water distribution systems. Businesses equipped with technical expertise in pipeline construction, environmental management, project management, and engineering will find the project aligns with their capabilities. This contract not only supports ongoing operations but also meets high standards of environmental protection, thereby providing a platform for the participating contractor to showcase innovation in sustainable practices, potentially enhancing their portfolio and opening doors to further opportunities in utility infrastructure projects.

How relevant is this notice?

Notice Information

Notice Title

Southern Water Andover Link Main (ALM) Pipeline Construction & Connection

Notice Description

The Andover Link Main (ALM) scheme is being delivered by Southern Water Services (SWS) under the Major Projects Directorate. The ALM project is part of the WRMP programme and is associated with SWS's agreement with the EA under Section 20 of the Water Resources Act 1991 put in place following Public Inquiry to reduce our abstraction licenses for public water supply. Its purpose is to provide environmental protection for the rivers Test and Itchen. The WRMP Programme aims to create greater resilience to water shortages, especially during dry weather and droughts. Existing abstraction licences for the River Test and River Itchen have been substantially reduced through changes required by the Environment Agency to protect the rivers, both designated as Sites of Special Scientific Interest (SSSI), and the River Itchen as Special Area of Conservation (SAC). Additional licence changes will bring further reductions. These rivers are key examples of rare chalk stream habitat which support a wide variety of species. The Proposed Scheme will support environmental improvement by increasing the protection of these rivers while addressing the need for secure water supply. The ALM scheme involves approximately 25km of below-ground pipeline connecting critical infrastructure between Winchester and Andover, alongside upgrades to existing and new booster stations. It aims to deliver a bi-directional transfer capacity of 15Ml/d by March 2030, ensuring both strategic drought resilience and operational reliability for the isolated Andover Water Resource Zone (WRZ). SWS delivery strategy is to appoint a single Principal Contractor to design and build Andover Link Main, delivery to inclue detailed design and construction package with enabling work to be completed prior to construction. This will also include support to discharge planning conditions and submission of certain environmental consent and permits. The Principal Contractor will act as a Tier 1 provider and sub-contract specialist elements. Southern Water have developed the scheme proposal to early outline design and are planning to complete this phase of work to enable the design to be realkeased with the ITT, post participation stage. comprising a detailed design and construction package, with enabling work to be completed prior to construction. This will also include support to discharge planning conditions and submission of certain environmental consent and permits.

Planning Information

SWS are running a request for information relating to this project. To take part in this engagement please follow this link: https://southernwater.bravosolution.co.uk/esop/guest/go/opportunity/detail?opportunityId=59781 and if not registered, register for SWS sourcing portal to access the RFI. For the avoidance of doubt, the purpose of the market engagement notice and Request for Information (RFI) is to conduct a market testing exercise only, and will not formally begin the procurement nor constitute any commitment by Southern Water to undertake any procurement exercise nor form a commercial strategy in a particular form. Any follow-up discussions are solely for information and planning purposes. The answers you provide will be invaluable to informing Southern Water’s understanding of the market and provide insight as to how we best deliver value for money to our customers. The RFI will run from Monday 19th May to Friday 6th June, this period may be extended if SWS feel it beneficial to do so. Any changes to the timings will be communicated via our portal to parties who have expressed an interest and on our opportunity board. We may undertake more targeted engagement with interested suppliers by interview. We may run subsequent market engagement events as required.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-051552
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/060220-2025
Current Stage
Tender
All Stages
Planning, Tender

Procurement Classification

Notice Type
UK4 - Tender Notice
Procurement Type
Standard
Procurement Category
Works
Procurement Method
Selective
Procurement Method Details
Competitive flexible procedure
Tender Suitability
Not specified
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

45 - Construction work

CPV Codes

45232150 - Works related to water-distribution pipelines

Notice Value(s)

Tender Value
£70,000,000 £10M-£100M
Lots Value
£70,000,000 £10M-£100M
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
26 Sep 202511 months ago
Submission Deadline
10 Oct 2025Expired
Future Notice Date
26 Sep 2025Expired
Award Date
Not specified
Contract Period
30 Jun 2026 - 1 Mar 2030 3-4 years
Recurrence
Not specified

Notice Status

Tender Status
Active
Lots Status
Active
Awards Status
Not Specified
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
Southern Water Services Limited
Additional Buyers

GB-PPON-PBJQ-2231-ZRPG

Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
WORTHING
Postcode
BN13 3NX
Postcode Area
Brighton
Country
England
Major Region (ITL 1)
TLJ South East (England)
Basic Region (ITL 2)
TLJ2 Surrey, East and West Sussex
Small Region (ITL 3)
TLJ27 West Sussex (South West)
Delivery Location
Not specified
Local Authority
Worthing
Electoral Ward
Northbrook
Westminster Constituency
Worthing West

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

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The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.

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