Official UK procurement notice
CEFAS26-85 Contract for provision of Water and Sediment Sampling Analysis for HPC
Authority: Cefas
What is being bought
Published requirement descriptionThe BEEMS (British EDF Energy Estuarine and Marine Studies) programme is funded by NNB Generation Company (HPC) 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 marine sampling, profiling, and laboratory analysis services described in Section 3 below.
Scope of Requirements
Cefas require the supplier to acquire sediment and water samples along with water column profiles of conductivity, temperature and depth (CTD) and other variables from a suitable vessel for the purpose of physical and chemical monitoring of the marine offshore environment adjacent to the Hinkley Point C new nuclear build power station.
It is anticipated that the required sampling will involve circa 3 days of vessel operations – two days for water sampling and one day for sediment sampling. The requirement includes collection of all samples and field measurements and all laboratory sample analysis, excluding hydrazine analysis which is to be conducted by Cefas laboratory.
CPV: Marine survey services
The lotProcurement structure
single lot · value publishedLot #1AwardedRenewalPublished value£125,000
- Economic & financial standing
As per Bidder Pack
- Technical & professional ability
As per Bidder Pack
What it takes to wini
How this buyer will score bids.
The evaluation criteria and weights exactly as published on the notice, grouped by family (price, quality, social value and so on).
Evaluation split and conditions of participation as published; the tender pack may add morei
How this buyer will score bids.
The evaluation criteria and weights exactly as published on the notice, grouped by family (price, quality, social value and so on).
Published sub-criteria (3)
- Technical: 70%
- Pricing: 20%
- Social Value: 10%
Published award criteria (3)
- Technical
- Social Value
- Pricing
- Economic & financial standing
As per Bidder Pack
- Technical & professional ability
As per Bidder Pack
- Price carries 20 of 100 points: a 10% discount moves about 2 points. The method statement decides this lot, not the discount.
Price arithmetic assumes straight proportional scoring; the tender pack may use another formula.
Procedure terms & legal framework
From the official record- Procedure method
- Open procedure
- Legal basis
- UKPGA · 2023/54 Procurement Act 2023
- Procurement category
- Services
- Notice status
- Awarded
- Procurement threshold
- Above threshold (FTS publication)
- Regulatory regime
- Standard
- Commercial structure
- Stand-alone contract (no framework)
- Competition type
- Competitive procedure
- GPA / WTO covered
- Yes (GPA)
- Recurring procurement
- Unspecified in notice
- First published
- 1 Jul 2026, 12:28 BST
- Last source update
- 16 Sept 2026, 13:23 BST
- Award evaluation window
- Submission end – 21 Aug 2026
- FTS notice number
2026/S 000-061677- Latest notice
- Contract award notice (UK6)
- Classification (CPV)
- Delivery area
- Official registry OCID
ocds-h6vhtk-06c123Find a Tender- Contract terms summary
As per Bidder Pack
- 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.
Change in frequency of survey requirements.
Due to changing requirements from Hinkley Point 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 Hinkley Point C project planning or regulatory requirements.
Proportionate mitigations provided for in the Contract.
Risk assigned to Buyer.
How it was run
Official notice- Submission deadline
- 4 Aug 2026, 12:00 BST
- Clarification deadline
- 20 Jul 2026, 17:00 BST
- Submission channel
- Official e-sourcing portal
- Electronic submission
- Allowed
- Accepted languages
- en
Download the Bidder Pack at defra-family.force.com/s/Welcome ↗ and search for CEFAS26-85 under opportunities.
All bids to be submitted via the above eProcurement system.
Timeline
1 Jul 2026 → 16 Sept 2026 · 7 dates- Tender notice published117 days ago1 Jul 2026, 12:28 BST
- Clarification questions by98 days ago20 Jul 2026, 17:00 BST
- Submission deadline84 days ago4 Aug 2026, 12:00 BST
- Award decision expected by66 days ago21 Aug 2026, 23:59 BST
- Contract starts56 days ago1 Sept 2026, 00:00 BST
- Assessment summaries sent41 days ago16 Sept 2026, 00:00 BST
- Latest notice published40 days ago16 Sept 2026, 13:23 BST
Notice history
6 events · 3 releases on Find a Tender · since 1 Jul 2026- Tender notice published1 Jul 2026, 12:28 BSTUK4
- Tender notice published22 Jul 2026, 13:30 BSTUK4
- Deadline moved to 4 Aug 2026, 12:00 BST22 Jul 2026, 13:30 BST+4 days · was 31 Jul 2026, 12:00 BST
- Contract award notice published16 Sept 2026, 13:23 BSTUK6
- Status changed to complete16 Sept 2026, 13:23 BST
- Contract signature expected30 Sept 2026, 23:59 BSTscheduled
Published amendments (1)
Extending submission deadline date.
Commercial outcome & contract awards
Published awards, contracts and bid statistics, not a forecast| Awarded to | Value | Date | Status |
|---|---|---|---|
| Briggs Marine Contractors Limited1 Oct 2026 – 30 Sept 2027 · up to 30 Sept 2031Extensions: 4 x 12 months | £340,000 | 11 Sept 2026 | Awarded |
Bid statistics published by the authority
| Bids | SME | VCSE | Valid bid range |
|---|---|---|---|
| 5final-stage tenders | 1 | 0 | — |
Contracting authority & participating public bodies
Bidders & participating suppliers
1 commercial party on the notice- Briggs Marine Contractors LtdAwarded supplier
Official documents & specifications (3)
Official links; attachments are not copiedNotices published for this procedure
- Contract award notice Contract award notice on Find a Tender
- Tender notice Tender notice on Find a Tender
- Tender notice Tender notice on Find a Tender