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Contract awardedBathymetric survey

713539451 - HMS CASSANDRA Wreck Survey

Survey of a single 1918 naval wreck in 95–100 metres of water to assess vessel condition and likely remaining pollutants or ammunition. Includes visual and multibeam echosounder examination, ROV hull-thickness measurements, and a turnkey provision of survey vessel, work-class ROV, qualified personnel and written findings report, with environmental protection measures and survey permissions.

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Awarded value
£792k
As published
Published
19 December 2024
Awarded
8 May 2025
Waves Group and Cwaves Limited
Contract length
4 months
Ends 2 September 2025

What the contract covers

Turnkey solution

Provision of specialist underwater wreck survey services using work-class ROVs, multibeam sonar and hull-thickness measurement for maritime asset assessment.

  • Conduct a wreck survey of HMS CASSANDRA
  • Visual and multibeam echosounder (MBES) examination of the wreck with hull thickness measurements using a Remotely Operated Vehicle (ROV)
  • Provision of a vessel, work class ROV, SQEP personnel to conduct the survey and a written report of the findings

Terms and requirements

Contract type
Turnkey solution
Procedure
Selective procedure
Initial term
5 months
Contract dates
8 May 2025 to 2 September 2025
Certifications asked for
None stated
Suitable for SMEs
Yes
Suitable for charities and social enterprises
Yes
Category
Services
CPV codes
71324000, 63726620, 71354500

Services in this contract

Lifecycle

  1. Published
  2. Contract awardedto Waves Group and Cwaves Limited
  3. Contract starts
  4. Contract ends
The buyer

Ministry of Defence

Type
Locked
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Name
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Email
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The suppliers

Waves Group

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Value won, 24 months
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Cwaves Limited

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Cite this contract

Link
https://bidskim.com/tender/78893/713539451-hms-cassandra-wreck-survey
Buyer reference
tender_477103/1493564
Open contracting ID
ocds-b5fd17-3f5e8ffc-c9d9-4ddd-9e35-254e33608253
Last checked
5 November 2026

Ministry of Defence. 713539451 - HMS CASSANDRA Wreck Survey. Contract award, 19 December 2024. BidSkim, https://bidskim.com/tender/78893/713539451-hms-cassandra-wreck-survey (accessed 5 November 2026).