Award

MSSS (Magnox Swarf Storage Silo) Plant Control System Offline Feasibility Rig

SELLAFIELD LIMITED

This public procurement record has 1 release in its history.

Award

14 Jan 2026 at 09:39

Summary of the contracting process

The procurement process conducted by Sellafield Limited involves completing an award for the "MSSS (Magnox Swarf Storage Silo) Plant Control System Offline Feasibility Rig". This contract pertains to the industrial process control equipment industry, with the delivery location specified as Sellafield (UKD11). The process, which involved a limited procurement method without prior publication of a call for competition, has reached its completion stage with a contract signed on 12th January 2026. The industrial equipment required includes a replica of the existing plant control system, delivered by ABB LTD, initially involved in supplying the original system.

This procurement tender offers niche opportunities primarily for firms specialising in industrial control systems, particularly those familiar with ABB's technology. Given the specialised nature of replicating the existing system, businesses already possessing prior experience with ABB's system components and software will be well-suited to meet the specific technical requirements. While competition was absent for technical reasons in this instance, similar future projects may open doors for businesses capable of delivering compatible and innovative control solutions for legacy systems in nuclear decommissioning facilities.

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Notice Title

MSSS (Magnox Swarf Storage Silo) Plant Control System Offline Feasibility Rig

Notice Description

Supply and deliver an offline test rig replica of the online MSSS (Magnox Swarf Storage Silo)/ABB control system installed in MSSS. The rig will provide the equipment needed to carry out testing to ensure the continued support of the existing control system within MSSS.

Lot Information

Lot 1

Supply and deliver an offline test rig replica of the existing online MSSS/ABB DAMS PES system installed in MSSS. The offline engineering system shall be based on 800xA System Version 6.1.1.1 which is a long time support version (LTS).

Scope of Supply Summary:
1. Virtual Server Host
2. Thin Client
3. New suitable AC800M Controller and Ethernet IO interface cards
4. Cabinet
5. All the necessary software and Licences
6. System Engineering
7. Testing

The test rig will enable the existing bespoke control systems applications responsible for running and monitoring of systems and processes within MSSS to be updated offline to the latest supported version of the ABB software which is required as the existing system is now obsolete and no longer supported - further, elements of the hardware are now obsolete and require the newer version of 800xA (6.1) software to operate. The rig will provide the equipment needed to carry out necessary testing to ensure the continued support and operation of the control system within MSSS.

Procurement Information

The offline feasibility rig is required to be a replica of the existing plant system installed on the MSSS plant - which was supplied originally by ABB Ltd. Therefore, as it is a replica of an existing plant system, competition is absent for technical reasons and can only be provided by the original equipment manufacture. Regulation 32(5)(b) PCR 2015 applies (for additional deliveries by the original supplier which are intended either as a partial replacement of supplies or installations or as the extension of existing supplies or installations where a change of supplier would oblige the contracting authority to acquire supplies having different technical characteristics which would result in incompatibility or disproportionate technical difficulties in operation and maintenance).

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-06054e
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/002939-2026
Current Stage
Award
All Stages
Award

Procurement Classification

Notice Type
Award Notice
Procurement Type
Standard
Procurement Category
Goods
Procurement Method
Limited
Procurement Method Details
Award procedure without prior publication of a call for competition
Tender Suitability
Not specified
Awardee Scale
Large

Common Procurement Vocabulary (CPV)

CPV Divisions

38 - Laboratory, optical and precision equipments (excl. glasses)


CPV Codes

38800000 - Industrial process control equipment and remote-control equipment

Notice Value(s)

Tender Value
Not specified
Lots Value
Not specified
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
14 Jan 20261 months ago
Submission Deadline
Not specified
Future Notice Date
Not specified
Award Date
12 Jan 20261 months ago
Contract Period
Not specified - Not specified
Recurrence
Not specified

Notice Status

Tender Status
Complete
Lots Status
Cancelled
Awards Status
Active
Contracts Status
Active

Contracting Authority (Buyer)

Main Buyer
SELLAFIELD LIMITED
Contact Name
Steven Macilwaine
Contact Email
steven.macilwaine@sellafieldsites.com
Contact Phone
Not specified

Buyer Location

Locality
WARRINGTON
Postcode
WA3 6GR
Post Town
Warrington
Country
England

Major Region (ITL 1)
TLD North West (England)
Basic Region (ITL 2)
TLD6 Cheshire
Small Region (ITL 3)
TLD61 Warrington
Delivery Location
TLD11 West Cumbria

Local Authority
Warrington
Electoral Ward
Birchwood
Westminster Constituency
Warrington North

Supplier Information

Number of Suppliers
1
Supplier Name

ABB

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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