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

Sellafield Limited

Awarded
goods
Price only

This tender has closed

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Key details

Contracting authority
Region
Warrington
Delivery: UKD11
Contract value
Not stated by buyer
Submissions closed
Not stated by buyer
Published
14 January 2026

Procurement

Procedure type
Award procedure without prior publication of a call for competition
CPV classifications
  • 38800000 Industrial process control equipment and remote-control equipment

What happened

Sellafield Limited awarded this contract to ABB LTD on 12 Jan 2026.

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.

Full description

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.

Awarded supplier

Supplier
ABB LTD
Award date
12 January 2026

Contact

Address
Hinton House, Birchwood Park Avenue, Warrington, WA3 6GR
Contact name
Steven Macilwaine

Identifiers

Notice ID
002939-2026
OCID
ocds-h6vhtk-06054e

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External ID: fts-ocds-h6vhtk-06054e • Added 6 August 2026