CEFAS25-81 RFQ for a geophysical and bathymetric survey at Sizewell C

Cefas
East of England
Open procedure
18 September 2025 to 1 December 2025

Delivery of a geophysical and bathymetric survey using a multispectral Multi Beam Echo Sounder (MBES) and Side Scan Sonar (SSS), with co-located ground-truthing via an ARIS acoustic imaging system. The requirement includes the provision of a survey vessel equipped with an A-Frame and winch (minimum 150kg SWL) to assess the extent and distribution of Sabellaria spinulosa biogenic reefs in marine waters.

Open the official notice

Awarded value: £50k; As published
Published: 24 July 2025
Awarded: 17 September 2025; Njord Survey AB
Contract length: 2 months; Ends 1 December 2025

What the contract covers

Services

Provision of specialist hydrographic survey vessel and geophysical bathymetric mapping services for marine environmental and ecological research projects.

Deliver a geophysical and bathymetric survey of the Sizewell C area with co-located ground-truthing using an ARIS acoustic imaging system
Conduct a full multispectral Multi Beam Echo Sounder bathymetry survey with concurrent Side Scan Sonar and ARIS ground-truthing

Terms and requirements

Contract type: Services
Procedure: Open procedure
Initial term: 2 months
Extensions: 4 months
Longest it can run: 6 months
Contract dates: 18 September 2025 to 1 December 2025
Certifications asked for: None stated
Lots: 1
Suitable for SMEs: Yes
Suitable for charities and social enterprises: Yes
Category: Services
CPV codes: 63726800

Services in this contract

Hydrographic and bathymetric surveysMain service£75k typicalGeophysical and bathymetric seabed survey with survey vessel

Lifecycle

Published
24 July 2025
Contract awardedto Njord Survey AB
17 September 2025
Contract starts
18 September 2025
Contract ends
1 December 2025

The buyer

Cefas

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The supplier

Njord Survey AB

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Cite this contract

Link: https://bidskim.com/tender/976109/cefas25-81-rfq-for-a-geophysical-and-bathymetric-survey-at-sizewell-c
Buyer reference: Not published
Open contracting ID: ocds-h6vhtk-056573
Last checked: 5 November 2026

Cefas. CEFAS25-81 RFQ for a geophysical and bathymetric survey at Sizewell C. Contract award, 24 July 2025. BidSkim, https://bidskim.com/tender/976109/cefas25-81-rfq-for-a-geophysical-and-bathymetric-survey-at-sizewell-c (accessed 5 November 2026).