Official UK procurement notice
Contract for the Supply of Hydroacoustic River Flow Instrumentation
Authority: ENVIRONMENT AGENCY (Public body)·On behalf of: DEPARTMENT FOR ENVIRONMENT, FOOD AND RURAL AFFAIRS
What is being bought4 lots · detail below
Published requirement descriptionThe Authority is seeking to establish a two-year call-off framework with an optional one year extension for the supply of hydroacoustic instrumentation, associated software, and supporting services to enable accurate measurement of river discharge. Accurate river-flow data is critical to the Authorities’ ability to manage water resources, understand changing river conditions, support flood forecasting, and respond effectively to incidents.
The framework will cover the supply and, where required, installation support of:
- Lot 1 - Mobile boat or tether‑mounted velocity profilers
- Lot 2 - Handheld wading measurement systems
- Lot 3 - Short‑range fixed‑deployment velocity instruments
- Lot 4 - Long‑range fixed‑deployment velocity instruments
- How the procedure runs: This procurement is being conducted as a Competitive Flexible Procedure in accordance with the Procurement Act 2023. Completion and submission of all documents will be conducted via the Authority’s eSourcing system. There will be six stages as follows: Stage One/Two – Conditions of Participation At this stage of the procurement Tenderers will be asked to submit their Procurement Specific Questionnaire and the response to the Conditions of Participation. 1. Conditions of Participation and Procurement Specific Questionnaire Tenderers must complete a series of questions to allow the Authority to confirm their eligibility to participate in the competition, together with core supplier information, additional exclusions and debarment information. 2. Form of Tender Suppliers must upload their Form of Tender otherwise their submission will not be considered. Tenderers will not progress to the Technical Response stage if they do not pass these stages. Stage Three/Four – Tender Stage 3. Technical Response Tenderers must respond to a series of technical questions as outlined on the Authority’s eSourcing system. Responses will be evaluated as described in this document and the Authority’s eSourcing system. If Tenderers fail to meet any minimum scoring requirements, they will be eliminated from the competition and not progress to having their Commercial Response assessed. 4. Commercial Response Tenderers must complete the commercial envelope as detailed on the Authority’s eSourcing system. Responses will be evaluated as described in this document and the Authority’s eSourcing system. Stage Five - Final Score Scores from the technical and commercial sections will be added together to arrive at a total weighted score. The most advantageous tenders for each lot will be the Tenderers with the highest final scores. Tenderers will be notified about whether they have been successful and/or if they will need to progress into the trial stage. Stage Six – Optional Trial Stage To ensure any instruments that are new to the Authority can be seamlessly added into the network, we have included an optional trial phase. Contract award is dependent on the satisfactory completion of and success of our trial pass criteria.
CPV: Instrumentation and control equipment
Lots and requirements (4)Procurement structure
4 lots · all with a published value (£0 together) · same evaluation weights on every lotLot #1Mobile boat or tether mounted velocity profilersRenewalPublished value£0
Lot 1A — Shallow water mobile profiler
Minimum mandatory capability: reliable operation in shallow water, including depths at or below 0.2 m.
Suppliers shall state the tested minimum operable depth, velocity range and any limits.
Lot 1B — Deep water mobile profiler
Minimum mandatory capability: reliable operation to at least 20 m depth (greater depths are acceptable).
Suppliers shall state the tested maximum operable depth, velocity range and any limits.
Lot #2Handheld Wading Measurement SystemsRenewalPublished value£0
Lot 2 is a single supplier Lot with no sublots. Instruments must be suitable for wading deployment at low to moderate depths (typical depths 0.05–1.0 m, or as otherwise defined).
Lot #3Short-Range Fixed Deployment Velocity InstrumentsRenewalPublished value£0
Lot 3 is a single supplier Lot with no sublots. Instruments will typically be deployed in channels with widths and depths up to around 5 m; suppliers may declare wider/greater operating ranges with evidence.
Lot #4Long-Range Fixed Deployment Velocity InstrumentsRenewalPublished value£0
Lot 4 is a single‑supplier Lot with no sub‑lots. Long‑range instruments typically cover measurement distances from 5 m to 50 m or more, depending on site geometry and the supplier’s proven capability.
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 (2)
- Technical: 60%
- Price: 40%
Published award criteria (2)
- Price
- Technical
- Price carries 40 of 100 points: a 10% discount moves about 4 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
- Competitive flexible procedure
- Legal basis
- UKPGA · 2023/54 Procurement Act 2023
- Procurement category
- Goods
- Notice status
- Closed
- Procurement threshold
- Above threshold (FTS publication)
- Regulatory regime
- Standard
- Commercial structure
- Stand-alone contract (no framework)
- Competition type
- Competitive procedure
- GPA / WTO covered
- Unspecified in notice
- Recurring procurement
- Unspecified in notice
- First published
- 18 Dec 2025, 16:11 GMT
- Last source update
- 15 Apr 2026, 15:03 BST
- Award evaluation window
- Submission end – 12 Jun 2026
- Authority reference
C33677- FTS notice number
2026/S 000-034304- Latest notice
- Tender notice (UK4)
- Classification (CPV)
- Delivery area
- Official registry OCID
ocds-h6vhtk-05f99cFind a Tender
- How it runs
This procurement is being conducted as a Competitive Flexible Procedure in accordance with the Procurement Act 2023. Completion and submission of all documents will be conducted via the Authority’s eSourcing system.
There will be six stages as follows:
Stage One/Two – Conditions of Participation
At this stage of the procurement Tenderers will be asked to submit their Procurement Specific Questionnaire and the response to the Conditions of Participation.
- Conditions of Participation and Procurement Specific Questionnaire
Tenderers must complete a series of questions to allow the Authority to confirm their eligibility to participate in the competition, together with core supplier information, additional exclusions and debarment information.
- Form of Tender
Suppliers must upload their Form of Tender otherwise their submission will not be considered.
Tenderers will not progress to the Technical Response stage if they do not pass these stages.
Stage Three/Four – Tender Stage
- Technical Response
Tenderers must respond to a series of technical questions as outlined on the Authority’s eSourcing system. Responses will be evaluated as described in this document and the Authority’s eSourcing system. If Tenderers fail to meet any minimum scoring requirements, they will be eliminated from the competition and not progress to having their Commercial Response assessed.
- Commercial Response
Tenderers must complete the commercial envelope as detailed on the Authority’s eSourcing system. Responses will be evaluated as described in this document and the Authority’s eSourcing system.
Stage Five - Final Score
Scores from the technical and commercial sections will be added together to arrive at a total weighted score. The most advantageous tenders for each lot will be the Tenderers with the highest final scores. Tenderers will be notified about whether they have been successful and/or if they will need to progress into the trial stage.
Stage Six – Optional Trial Stage
To ensure any instruments that are new to the Authority can be seamlessly added into the network, we have included an optional trial phase. Contract award is dependent on the satisfactory completion of and success of our trial pass criteria.
How it was run
Official notice- Submission deadline
- 11 May 2026, 12:00 BST
- Clarification deadline
- 1 May 2026, 15:00 BST
- Submission channel
- Official e-sourcing portal
- Electronic submission
- Allowed
- Accepted languages
- en
atamis-9529.my.site.com/s/Welcome ↗
Submissions must be made via the Authority's eSourcing platform.
Timeline
18 Dec 2025 → 29 Jun 2026 · 7 dates- Planning notice published314 days ago18 Dec 2025, 16:11 GMT
- Market engagement278 days ago23 Jan 2026, 23:59 GMT
We encourage interested suppliers to register their interest in this project and submit any questions via the sourcing portal or by email. Suppliers wishing to request a meeting should provide evidence of their capability to deliver this project in no more than 500 words and send it to the email address provided in this notice.
Suppliers may request a meeting by 16/01/26. Meetings will be scheduled within the period from 26/01/26 to 06/02/26. Meeting slots are limited and will be offered on a first-come, first-served basis.
Requests received after the deadline or when all slots have been filled may not be accommodated. To ensure productive discussions, we kindly ask suppliers to submit relevant questions in advance.
All questions and answers raised during the process will be shared in the tender package. The Authority reserves the right to amend or withdraw this opportunity.
- Tender notice published196 days ago15 Apr 2026, 15:03 BST
- Clarification questions by180 days ago1 May 2026, 15:00 BST
- Submission deadline171 days ago11 May 2026, 12:00 BST
- Award decision expected by138 days ago12 Jun 2026, 23:59 BST
- Contract starts122 days ago29 Jun 2026, 00:00 BST
Notice history
6 events · 2 releases on Find a Tender · since 18 Dec 2025- Preliminary market engagement notice published18 Dec 2025, 16:11 GMTUK2
- Tender notice published15 Apr 2026, 15:03 BSTUK4
- Published value published: £015 Apr 2026, 15:03 BST
- Status changed to active15 Apr 2026, 15:03 BST
- Procurement method changed15 Apr 2026, 15:03 BST
- Deadline published: 11 May 2026, 12:00 BST15 Apr 2026, 15:03 BST
Contracting authority & participating public bodies
2 public bodies on the noticeOther public bodies
- DEPARTMENT FOR ENVIRONMENT, FOOD AND RURAL AFFAIRSProcuring entityProcurement on behalf of the Environment Agency
Official documents & specifications (2)
Official links; attachments are not copiedNotices published for this procedure
- Tender notice Tender notice on Find a Tender
- Preliminary market engagement notice Preliminary market engagement notice on Find a Tender