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CEFAS25-80 Contract for Bathymetric surveys Sizewell C for the BEEMS programme

CENTRE FOR ENVIRONMENT, FISHERIES AND AQUACULTURE SCIENCE · Tender notice on Find a Tender

Tender information last checkedLast checked 30 Sept 2026, 06:23.

Opportunity overview

The BEEMS (British Energy Estuarine and Marine Studies) programme is funded by Sizewell C Limited. Through this programme, Cefas provide authoritative scientific information on the marine and transitional waters in the vicinity of potential new build nuclear power stations and require the Supplier to deliver the elements described below.  The purpose of this project is to provide bathymetric data at Sizewell to assess the geomorphological changes of the region, hence contributing to the ongoing monitoring of the Sizewell Coastline. These surveys are a regulatory requirement under the Development Consent Order’s (DCO) conditions and the Coastal Processes Monitoring and Mitigation Plan (CPMMP). Cefas anticipate 4 - 6 Multibeam Echosounder (MBES) bathymetric surveys to IHO Special Order (at a minimum) within the Greater Sizewell Bay (GSB) for a 12-month period between October 2025 and September 2026 (with the option to extend for up to 4 additional years), roughly following a quarterly schedule with the potential for additional surveys subject to requirements. Exact survey dates will be agreed between Cefas and the supplier during the pre-survey kick off meetings, however the timings for surveys are dependent on construction schedules so may be subject to change at short notice. We currently expect the first survey to be required in October/November 2025, with following surveys in approximately January 2026, April 2026 and July 2026. A Core Contract has been awarded to the top ranked Supplier with the intention that all required work will be completed by that Supplier. Due to the nature of the work and the risks associated, 3 Call-Off Contracts have also been awarded to the next 3 ranked Suppliers. These will only be used if the top ranked Supplier is unable to complete the services. We are therefore unable to determine the value of spend through each contract. 1st ranked Supplier to be awarded a 'Core Contract' -LandScope Engineering 2nd ranked Supplier to be awarded a 'Call-off Contract' -SEP Hydrographic Limited 3rd ranked Supplier to be awarded a 'Call-off Contract' -Njord Survey AB 4th ranked Supplier to be awarded a 'Call-off Contract' -Ocean Ecology Limited

Awarded to

Amounts belong to published awards or contracts. Where several suppliers share one value, it is labelled as shared and is not a supplier-specific allocation.

LandScope Engineering

Match pending…
Published award value
£500k
Awarded
2 Oct 2025
Award ID
1
Status
pending
Identifier
GB-PPON PJPG-2199-HGWJ
Location
Church Stretton, UKG22, SY6 6NT, United Kingdom

SEP Hydrographic Limited

Match pending…
Published award value
Value not stated
Awarded
2 Oct 2025
Award ID
2
Status
pending
Identifier
GB-PPON PXWY-1742-HQQP
Location
Skelmersdale, UKD47, WN8 8EF, United Kingdom

Njord Survey Ltd

Match pending…
Published award value
Value not stated
Awarded
2 Oct 2025
Award ID
3
Status
pending
Identifier
GB-PPON PLWB-3933-NVGT
Location
Leamington Spa, UKG13, CV32 5QL, United Kingdom

Ocean Ecology Limited

Matched by exact name
Published award value
Value not stated
Awarded
2 Oct 2025
Award ID
4
Status
pending
Identifier
GB-PPON PGWV-4561-PXYN
Location
Gloucester, UKK13, GL2 5EN, United Kingdom
Contract value
£500k
Awarded
Not supplied
Contract signed
5 Nov 2025
Including VAT
£600k
Award ID
5
Status
active
Identifier
GB-PPON PJPG-2199-HGWJ
Location
Church Stretton, UKG22, SY6 6NT, United Kingdom

SEP Hydrographic Limited

Match pending…
Published award value
Value not stated
Awarded
Not supplied
Contract signed
3 Nov 2025
Award ID
6
Status
active
Identifier
GB-PPON PXWY-1742-HQQP
Location
Skelmersdale, UKD47, WN8 8EF, United Kingdom

NJORD SURVEY LTD

Match pending…
Published award value
Value not stated
Awarded
Not supplied
Contract signed
11 Nov 2025
Award ID
7
Status
active
Identifier
GB-PPON PLWB-3933-NVGT
Location
Leamington Spa, UKG13, CV32 5QL, United Kingdom

Ocean Ecology Limited

Matched by exact name
Published award value
Value not stated
Awarded
Not supplied
Contract signed
23 Oct 2025
Award ID
8
Status
active
Identifier
GB-PPON PGWV-4561-PXYN
Location
Gloucester, UKK13, GL2 5EN, United Kingdom

Classification

  • CPV63726800 — Research vessel services

Lots

  • Lot 1£500k

Documents and notices

Published notice details

Additional information from the published procurement release. Fields appear only when supplied by the source; check the original notice and tender documents before acting.

Scope, procedure and submissions

Id
CEFAS25-80
Status
complete
Published risks
Prolonged Adverse Weather Due to tidal limitations on the surveys, prolonged adverse weather could impact the ability to obtain the dataset for a specific month. This could result in additional costs and/or contract extension in order to meet the requirements. Unable to address the risk upfront as weather is beyond control of Buyer or Supplier. Proportionate mitigation for some weather risk is provided for in the Contract. Risk assigned to both parties. Prolonged Adverse Weather. Due to tidal limitations on the surveys, prolonged adverse weather could impact the ability to obtain the dataset for a specific month. This could result in additional costs and/or contract extension in order to meet the requirements. Unable to address the risk upfront as weather is beyond control of Buyer or Supplier. Proportionate mitigation for some weather risk is provided for in the Contract. Risk assigned to both parties. Change in frequency of survey requirements. Due to changing requirements from Sizewell C, frequency or timings of surveys could change. This could result in additional costs in order to meet the requirements. Unable to address the risk upfront as neither Buyer or Supplier has control over the Sizewell C project planning or regulatory requirements. Proportionate mitigations provided for in the Contract. Risk assigned to Buyer.
Above Threshold
Yes
Procurement Method
open
Main Procurement Category
services
Procurement Method Details
Open procedure

Covered By

GPA

Amendments

Entry 1
Id
049609-2025
Description
Cefas is amending the Contracting arrangement. A Core Contract will be awarded to the top ranked Supplier and up to 3 Call-Off Contracts will be awarded to the next 3 ranked Suppliers. Full details are in the Bidder Pack, available from the eProcurement system once Suppliers have registered their interest. To allow additional time for Suppliers following the amendment, the submission deadline has been extended to 12 September 2025 at 12:00 midday UK time.

Legal basis

Id
2023/54
Scheme
UKPGA

Expected award period

Ends
15 Sept 2025, 23:59

Tender Period

Ends
12 Sept 2025, 12:00

Contract terms

Financial Terms
As per Bidder Pack

Enquiry period

Ends
3 Sept 2025, 17:00

Submission terms

Electronic Submission Policy
allowed

Languages

en

Lots and requirements

Entry 1
Id
1
Status
complete
Has Renewal
Yes

Value

Amount
500,000
Currency
GBP
Including VAT
600,000

Renewal

Description
Up to 3 x further periods of 12 months each

Suitability

Sme
Yes
Vcse
Yes

Award criteria

Criteria

Criterion 1
Name
Technical
Type
quality

Numbers

Entry 1
Number
70
Weight
percentageExact
Criterion 2
Name
Social Value
Type
quality

Numbers

Entry 1
Number
10
Weight
percentageExact
Criterion 3
Name
Price
Type
price

Numbers

Entry 1
Number
20
Weight
percentageExact

Contract period

Ends
12 Oct 2027, 23:59
Starts
13 Oct 2025, 00:00
Max Extent Date
12 Oct 2029, 23:59

Selection criteria

Criteria

Criterion 1
Type
economic
Description
As per Bidder Pack
Criterion 2
Type
technical
Description
As per Bidder Pack

Items and delivery

Item 1
Id
1
Related Lot
1

Delivery locations

Entry 1
Region
UK
Country
GB
Country Name
United Kingdom
Entry 2
Region
UK
Country
GB
Country Name
United Kingdom

Additional Classifications

Entry 1
Id
63726800
Scheme
CPV
Description
Research vessel services

Published documents

Entry 1
Id
conflictOfInterest
Description
Not published
Document Type
conflictOfInterest
Entry 2
Id
043170-2025
Format
text/html
Notice Type
UK4
Description
Tender notice on Find a Tender
Document Type
tenderNotice
Published
25 Jul 2025, 14:29
Entry 3
Id
049609-2025
Format
text/html
Notice Type
UK4
Description
Tender notice on Find a Tender
Document Type
tenderNotice
Published
18 Aug 2025, 16:25

Planning and budget

No Engagement Notice Rationale
This is a recurring requirement with a well known market.

Buyer, suppliers and contacts

Organisation 1
Id
GB-PPON-PPGW-5299-JGTN
Name
CENTRE FOR ENVIRONMENT, FISHERIES AND AQUACULTURE SCIENCE

Roles

buyer

Address

Region
UKH14
Country
GB
Locality
Lowestoft
Postal Code
NR33 0HT
Country Name
United Kingdom
Street Address
Pakefield Road

Details

Classifications

Entry 1
Id
publicAuthoritySubCentralGovernment
Scheme
UK_CA_TYPE
Description
Public authority - sub-central government

Identifier

Id
PPGW-5299-JGTN
Scheme
GB-PPON

Contact

Name
Laura Anderson
Organisation 2
Id
GB-PPON-PJPG-2199-HGWJ
Name
Landscope Engineering Limited

Roles

supplier

Address

Region
UKG22
Country
GB
Locality
Church Stretton
Postal Code
SY6 6NT
Country Name
United Kingdom
Street Address
The Chart House

Details

Vcse
No
Scale
sme
Sheltered Workshop
No
Public Service Mission Organization
No

Identifier

Id
PJPG-2199-HGWJ
Scheme
GB-PPON

Contact

Organisation 3
Id
GB-PPON-PXWY-1742-HQQP
Name
SEP Hydrographic Limited

Roles

supplier

Address

Region
UKD47
Country
GB
Locality
Skelmersdale
Postal Code
WN8 8EF
Country Name
United Kingdom
Street Address
Unit 3d Selby Place

Details

Vcse
No
Scale
sme
Sheltered Workshop
No
Public Service Mission Organization
No

Identifier

Id
PXWY-1742-HQQP
Scheme
GB-PPON

Contact

Organisation 4
Id
GB-PPON-PLWB-3933-NVGT
Name
NJORD SURVEY LTD

Roles

supplier

Address

Region
UKG13
Country
GB
Locality
Leamington Spa
Postal Code
CV32 5QL
Country Name
United Kingdom
Street Address
7 Clarendon Place

Details

Vcse
No
Scale
sme
Sheltered Workshop
No
Public Service Mission Organization
No

Identifier

Id
PLWB-3933-NVGT
Scheme
GB-PPON

Contact

Organisation 5
Id
GB-PPON-PGWV-4561-PXYN
Name
Ocean Ecology Limited

Roles

supplier

Address

Region
UKK13
Country
GB
Locality
Gloucester
Postal Code
GL2 5EN
Country Name
United Kingdom
Street Address
Goodridge Court

Details

Vcse
No
Scale
large
Sheltered Workshop
No
Public Service Mission Organization
No

Identifier

Id
PGWV-4561-PXYN
Scheme
GB-PPON

Contact

Award information

Award 1
Id
1
Date
3 Oct 2025, 00:00
Title
CEFAS25-80-1 Core Contract for bathymetric surveys at Sizewell C
Status
pending
Has Renewal
Yes
Above Threshold
Yes
Main Procurement Category
services
Assessment Summaries Date Sent
6 Oct 2025, 00:00

Items

Item 1
Id
1
Related Lot
1

Delivery locations

Entry 1
Region
UK
Country
GB
Country Name
United Kingdom

Additional Classifications

Entry 1
Id
79311000
Scheme
CPV
Description
Survey services

Value

Amount
500,000
Currency
GBP
Including VAT
600,000

Renewal

Description
Annually, up to 3 x 12 months

Documents

Entry 1
Id
062458-2025
Format
text/html
Notice Type
UK6
Description
Contract award notice on Find a Tender
Document Type
awardNotice
Published
6 Oct 2025, 11:59

Suppliers

Supplier 1
Id
GB-PPON-PJPG-2199-HGWJ
Name
LandScope Engineering

Milestones

Entry 1
Id
1
Type
futureSignatureDate
Status
scheduled
Due
16 Oct 2025, 23:59

Related lots

1

Contract period

Ends
19 Oct 2026, 23:59
Starts
20 Oct 2025, 00:00
Max Extent Date
19 Oct 2029, 23:59

Subcontracting

Subcontracts

Entry 1
Id
1
Description
NA

Main Contractors

Entry 1
Id
GB-PPON-PJPG-2199-HGWJ
Name
LandScope Engineering

Standstill Period

Ends
15 Oct 2025, 23:59
Award 2
Id
2
Date
3 Oct 2025, 00:00
Title
CEFAS25-80-2 Call-off Contract for bathymetric surveys at Sizewell C
Status
pending
Has Renewal
Yes
Above Threshold
Yes
Main Procurement Category
services
Assessment Summaries Date Sent
6 Oct 2025, 00:00

Items

Item 1
Id
1
Related Lot
1

Delivery locations

Entry 1
Region
UK
Country
GB
Country Name
United Kingdom

Additional Classifications

Entry 1
Id
79311000
Scheme
CPV
Description
Survey services

Value

Amount
0
Currency
GBP
Including VAT
0

Renewal

Description
Annually, up to 3 x 12 months

Documents

Entry 1
Id
062458-2025
Format
text/html
Notice Type
UK6
Description
Contract award notice on Find a Tender
Document Type
awardNotice
Published
6 Oct 2025, 11:59

Suppliers

Supplier 1
Id
GB-PPON-PXWY-1742-HQQP
Name
SEP Hydrographic Limited

Milestones

Entry 1
Id
1
Type
futureSignatureDate
Status
scheduled
Due
16 Oct 2025, 23:59

Related lots

1

Contract period

Ends
19 Oct 2026, 23:59
Starts
20 Oct 2025, 00:00
Max Extent Date
19 Oct 2029, 23:59

Subcontracting

Subcontracts

Entry 1
Id
1
Description
NA

Main Contractors

Entry 1
Id
GB-PPON-PXWY-1742-HQQP
Name
SEP Hydrographic Limited

Standstill Period

Ends
15 Oct 2025, 23:59
Award 3
Id
3
Date
3 Oct 2025, 00:00
Title
CEFAS25-80-3 Call-off Contract for bathymetric surveys at Sizewell C
Status
pending
Has Renewal
Yes
Above Threshold
Yes
Main Procurement Category
services
Assessment Summaries Date Sent
6 Oct 2025, 00:00

Items

Item 1
Id
1
Related Lot
1

Delivery locations

Entry 1
Region
UK
Country
GB
Country Name
United Kingdom

Additional Classifications

Entry 1
Id
79311000
Scheme
CPV
Description
Survey services

Value

Amount
0
Currency
GBP
Including VAT
0

Renewal

Description
Annually, up to 3 x 12 months

Documents

Entry 1
Id
062458-2025
Format
text/html
Notice Type
UK6
Description
Contract award notice on Find a Tender
Document Type
awardNotice
Published
6 Oct 2025, 11:59

Suppliers

Supplier 1
Id
GB-PPON-PLWB-3933-NVGT
Name
Njord Survey Ltd

Milestones

Entry 1
Id
1
Type
futureSignatureDate
Status
scheduled
Due
16 Oct 2025, 23:59

Related lots

1

Contract period

Ends
19 Oct 2026, 23:59
Starts
20 Oct 2025, 00:00
Max Extent Date
19 Oct 2029, 23:59

Subcontracting

Subcontracts

Entry 1
Id
1
Description
NA

Main Contractors

Entry 1
Id
GB-PPON-PLWB-3933-NVGT
Name
Njord Survey Ltd

Standstill Period

Ends
15 Oct 2025, 23:59
Award 4
Id
4
Date
3 Oct 2025, 00:00
Title
CEFAS25-80-4 Call-off Contract for bathymetric surveys at Sizewell C
Status
pending
Has Renewal
Yes
Above Threshold
Yes
Main Procurement Category
services
Assessment Summaries Date Sent
6 Oct 2025, 00:00

Items

Item 1
Id
1
Related Lot
1

Delivery locations

Entry 1
Region
UK
Country
GB
Country Name
United Kingdom

Additional Classifications

Entry 1
Id
79311000
Scheme
CPV
Description
Survey services

Value

Amount
0
Currency
GBP
Including VAT
0

Renewal

Description
Annually, up to 3 x 12 months

Documents

Entry 1
Id
062458-2025
Format
text/html
Notice Type
UK6
Description
Contract award notice on Find a Tender
Document Type
awardNotice
Published
6 Oct 2025, 11:59

Suppliers

Supplier 1
Id
GB-PPON-PGWV-4561-PXYN
Name
Ocean Ecology Limited

Milestones

Entry 1
Id
1
Type
futureSignatureDate
Status
scheduled
Due
16 Oct 2025, 23:59

Related lots

1

Contract period

Ends
19 Oct 2026, 23:59
Starts
20 Oct 2025, 00:00
Max Extent Date
19 Oct 2029, 23:59

Subcontracting

Subcontracts

Entry 1
Id
1
Description
SHORELINE SURVEYS LIMITED Company number 04464556 A wholly owned subsidiary of Ocean Ecology, Shoreline Surveys will deliver the entire survey scope and deliverables.

Main Contractors

Entry 1
Id
GB-PPON-PGWV-4561-PXYN
Name
Ocean Ecology Limited

Standstill Period

Ends
15 Oct 2025, 23:59
Award 5
Id
5
Status
active
Main Procurement Category
services

Items

Item 1
Id
1
Related Lot
1

Additional Classifications

Entry 1
Id
71354500
Scheme
CPV
Description
Marine survey services

Suppliers

Supplier 1
Id
GB-PPON-PJPG-2199-HGWJ
Name
Landscope Engineering Limited

Related lots

1
Award 6
Id
6
Status
active
Main Procurement Category
services

Items

Item 1
Id
1
Related Lot
1

Additional Classifications

Entry 1
Id
71354500
Scheme
CPV
Description
Marine survey services

Suppliers

Supplier 1
Id
GB-PPON-PXWY-1742-HQQP
Name
SEP Hydrographic Limited

Related lots

1
Award 7
Id
7
Status
active
Main Procurement Category
services

Items

Item 1
Id
1
Related Lot
1

Additional Classifications

Entry 1
Id
71354500
Scheme
CPV
Description
Marine survey services

Suppliers

Supplier 1
Id
GB-PPON-PLWB-3933-NVGT
Name
NJORD SURVEY LTD

Related lots

1
Award 8
Id
8
Status
active
Main Procurement Category
services

Items

Item 1
Id
1
Related Lot
1

Additional Classifications

Entry 1
Id
71354500
Scheme
CPV
Description
Marine survey services

Suppliers

Supplier 1
Id
GB-PPON-PGWV-4561-PXYN
Name
Ocean Ecology Limited

Related lots

1

Contracts and changes

Entry 1
Id
5
Title
CEFAS25-80-1 Contract for Bathymetric surveys Sizewell C for the BEEMS programme
Status
active
Award ID
5
Date Signed
5 Nov 2025, 00:00
Has Renewal
Yes
Above Threshold
Yes

Value

Amount
500,000
Currency
GBP
Including VAT
600,000

Period

Ends
5 Nov 2026, 23:59
Starts
6 Nov 2025, 00:00
Max Extent Date
5 Nov 2030, 23:59

Renewal

Description
Option to extend for 4 x 12 month periods on an annual basis.

Documents

Entry 1
Id
074449-2025
Format
text/html
Notice Type
UK7
Description
Contract details notice on Find a Tender
Document Type
contractNotice
Published
17 Nov 2025, 15:02
Entry 2
Id
6
Title
CEFAS25-80-2 Contract for Bathymetric surveys Sizewell C for the BEEMS programme
Status
active
Award ID
6
Date Signed
3 Nov 2025, 00:00
Has Renewal
Yes
Above Threshold
Yes

Value

Amount
0
Currency
GBP
Including VAT
0

Period

Ends
3 Nov 2026, 23:59
Starts
4 Nov 2025, 00:00
Max Extent Date
2 Nov 2030, 23:59

Renewal

Description
Option to extend for 4 x 12 month periods on an annual basis.

Documents

Entry 1
Id
074449-2025
Format
text/html
Notice Type
UK7
Description
Contract details notice on Find a Tender
Document Type
contractNotice
Published
17 Nov 2025, 15:02
Entry 3
Id
7
Title
CEFAS25-80-3 Contract for Bathymetric surveys Sizewell C for the BEEMS programme
Status
active
Award ID
7
Date Signed
11 Nov 2025, 00:00
Has Renewal
Yes
Above Threshold
Yes

Value

Amount
0
Currency
GBP
Including VAT
0

Period

Ends
11 Nov 2026, 23:59
Starts
12 Nov 2025, 00:00
Max Extent Date
11 Nov 2030, 23:59

Renewal

Description
Option to extend for 4 x 12 month periods on an annual basis.

Documents

Entry 1
Id
074449-2025
Format
text/html
Notice Type
UK7
Description
Contract details notice on Find a Tender
Document Type
contractNotice
Published
17 Nov 2025, 15:02
Entry 4
Id
8
Title
CEFAS25-80-4 Contract for Bathymetric surveys Sizewell C for the BEEMS programme
Status
active
Award ID
8
Date Signed
24 Oct 2025, 00:00
Has Renewal
Yes
Above Threshold
Yes

Value

Amount
0
Currency
GBP
Including VAT
0

Period

Ends
23 Oct 2026, 23:59
Starts
25 Oct 2025, 00:00
Max Extent Date
23 Oct 2030, 23:59

Renewal

Description
Option to extend for 4 x 12 month periods on an annual basis.

Documents

Entry 1
Id
074449-2025
Format
text/html
Notice Type
UK7
Description
Contract details notice on Find a Tender
Document Type
contractNotice
Published
17 Nov 2025, 15:02

Recorded locations

  • Buyer location · Lowestoft · UKH14 · NR33 0HT · United Kingdom
  • Delivery location · UK · United Kingdom

Notice and amendment history

1 published notice version reviewed by ProcuraAxis.

1 VERSION
  1. ocds-h6vhtk-056661-2025-11-17T15:02:13ZTender notice on Find a Tender ·