Published date: 1 December 2021

Closed opportunity - This means that the contract is currently closed. The buying department may be considering suppliers that have already applied, or no suitable offers were made.

Closing: 15 December 2021, 4pm

Contract summary


  • Acoustic devices - 32342400

Location of contract


Value of contract


Procurement reference


Published date

1 December 2021

Closing date

15 December 2021

Closing time


Contract start date

30 June 2022

Contract end date

29 June 2024

Contract type

Service contract

Procedure type

Negotiated procedure without prior publication (above threshold)

The opportunity was not advertised, because for example only one supplier is capable of delivering the requirement, or due to extreme urgency brought about by unforeseen events.

This procedure can be used for procurements above the relevant contract value threshold.

Contract is suitable for SMEs?


Contract is suitable for VCSEs?



Defence Equipment and Support Group (DE&S), part of the UK Ministry of Defence, proposes to place a contract with Ultra Electronic Ocean Systems (UEOS) to maintain the Submarine Countermeasure Acoustic support. Activities will include but not be limited to: a) programme and contract management b) provision of remote support c) provision of technical advice d) provision of support on as required basis e) provision of training to ships staff and Torpedo loading Party f) provision of collection and disposal services g) other support related activities requiring site visits.

It is considered that this contract can be placed using the Negotiated Procedure Without Prior Publication pursuant to Regulation 16 (1) (a) (ii) of the Defence and Security Public Contracts Regulations 2011 due to technical reasons. This is because Ultra Electronic Ocean Systems (UEOS), as the OEM, designed, developed and supplied the SCAD countermeasure capability for use on A, T & V class submarines and has supported the capability since their introduction into service and is therefore the only supplier with the relevant knowledge inclusive of designs, drawings and technical data to support the SCAD countermeasures. The data is proprietary owned and is necessary for the fulfilment of the requirement, and therefore as no other contractor would have access to it, no other contractor could fulfil this requirement. Ensuring its continued interoperability with other elements of the UK Ministry of Defence's submarine combat system (SAWCS & Sonar system, 2076 & 2054IR) all of which are essential for the protection of the Royal Navy submarines against torpedo attack which includes the Continuous at Sea Deterrent (CASD).

More information


About the buyer


#3119, Birch 2a, MoD Abbey Wood South
BS34 8JH