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Published 16 Sept 2025, 20:35 BST

Official UK procurement notice

FDSIM of Ultrasonic River Flow Gauges 2025

Official notice

Authority: ENVIRONMENT AGENCY (Public body)·On behalf of: DEPARTMENT FOR ENVIRONMENT, FOOD AND RURAL AFFAIRS

2 lotsServicesOpen procedureAbove thresholdSME suitableMax 1 lot to bidMax 1 lot per supplier
Sectors: Cleaning & Environmental Services (90) Delivery: Delivery location not published
Published estimate£7,800,000total for 2 lots · £9,360,000 inc. VAT
Submissions closed 13 Oct 2025
Lots 2max 1 won per supplier · max 1 to bid
Contract term 5 yrsends 1 Jan 2031 · extension options published · starts 1 Jan 2026

What is being bought2 lots · detail below

Published requirement description

Procurement Overview

This procurement covers the feasibility, design, supply, installation, commissioning, and maintenance of ultrasonic transit time river flow gauges. These gauges are essential for flood warning systems and water resource management across major UK rivers.

Contract Structure

Procedure: Open Procedure under the Procurement Act 2023

Contract Type: Call-Off Contract under Mid-Tier Terms and Conditions

Duration: 3 years fixed + 2 optional 12-month extensions (maximum 5 years)

This procurement is for a Call-Off contract covering Two Lots:

  • Lot 1: Feasibility, design, supply, installation, and commissioning of new ultrasonic river flow gauges.
  • Lot 2: Maintenance and repair of both new and existing ultrasonic river flow gauges.

The gauges are critical for flood warning systems and water resource management, especially at high-priority sites on major rivers such as the Thames, Severn, Trent, Mersey, and Ou

CPV: Environmental monitoring other than for construction

Lots and requirements (2)Procurement structure

2 lots · all with a published value (£7,800,000 together) · a supplier may bid for at most 1 and win at most 1 of them · same evaluation weights on every lot
Lot #1Feasibility, Design, Supply, Installation, and Commissioning 5 yrsSMEPublished value£5,600,000

Lot 1: Feasibility, design, supply, installation, and commissioning of new ultrasonic river flow gauges.

The gauges are critical for flood warning systems and water resource management, especially at high-priority sites on major rivers such as the Thames, Severn, Trent, Mersey, and Ouse.

Contract period: 1 Jan 2026 – 1 Jan 2031 (5 yrs)Value: £5,600,000 exc. VAT · £6,720,000 inc. VAT
Eligibility: SME eligible
Extensions: The contract will run a for 3 year fixed period with 2 further 12 months extensions possible, totalling 5 years maximum. The costs will be fixed for the first 3 years and after this point will be adjusted at the Services Producer Price Index (SPPI) rate from the annual anniversary of the contract until the contract ends.
90711500 Environmental monitoring other than for construction
Lot #2Maintenance and Repair 5 yrsSMEPublished value£2,200,000

Lot 2: Maintenance and repair of both new and existing ultrasonic river flow gauges.

The gauges are critical for flood warning systems and water resource management, especially at high-priority sites on major rivers such as the Thames, Severn, Trent, Mersey, and Ouse.

Contract period: 1 Jan 2026 – 1 Jan 2031 (5 yrs)Value: £2,200,000 exc. VAT · £2,640,000 inc. VAT
Eligibility: SME eligible
Extensions: The contract will run a for 3 year fixed period with 2 further 12 months extensions possible, totalling 5 years maximum. The costs will be fixed for the first 3 years and after this point will be adjusted at the Services Producer Price Index (SPPI) rate from the annual anniversary of the contract until the contract ends.
90711500 Environmental monitoring other than for construction

What it takes to win
i

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 more
How bids were scored · same split on all 2 lots
Quality: 70%Price: 30%
Published sub-criteria (2)
  • Technical: 70%
  • Commercial (Price): 30%
Published award criteria (2)
  • Technical: Evaluation Criteria • Technical/Quality: 70%
  • Commercial (Price): Evaluation Criteria • Commercial: (Price): 30%
Lot distribution rule: The supplier with the highest overall score for both quality and price (Total of Columns 1, 2 and 3) in each Lot will win the evaluation. You can bid for both Lots, or an individual Lot. If bidding for one Lot you must be able to support the winning supplier for the other Lot with spare parts at the prices submitted in your bid.
What this means for your bid
  • Price carries 30 of 100 points: a 10% discount moves about 3 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
Closed
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
16 Sept 2025, 20:35 BST
Last source update
16 Sept 2025, 20:35 BST
Award evaluation window
Submission end – 17 Nov 2025
FTS notice number
2025/S 000-057141
Latest notice
Tender notice (UK4)
Classification (CPV)
Environmental monitoring other than for construction
Delivery area
Not published
Official registry OCID
ocds-h6vhtk-059bd4 Find a Tender

How it was run

Official notice
Run through: Defra Group eSourcing
Supplier login requiredElectronic submission allowedLanguage: EN
Access & registration note: Free
Submission deadline
13 Oct 2025, 14:00 BST
Clarification deadline
6 Oct 2025, 14:00 BST
Submission channel
Official e-sourcing portal
Electronic submission
Allowed
Accepted languages
en
Detailed submission instructions & authority contactsFrom official release

Responses must be submitted via the Atamis eSourcing portal.

The procurement documents are available for unrestricted and full direct access, free of charge, at defra-family.force.com/s/Welcome ↗

Any questions, requests to participate or tender submissions must be submitted electronically via this portal.

Timeline

16 Sept 2025 → 1 Jan 2026 · 5 dates
  1. Tender notice published
    16 Sept 2025, 20:35 BST
  2. Clarification questions by386 days ago
    6 Oct 2025, 14:00 BST
  3. Submission deadline379 days ago
    13 Oct 2025, 14:00 BST
  4. Award decision expected by343 days ago
    17 Nov 2025, 23:59 GMT
  5. Contract starts299 days ago
    1 Jan 2026

Notice history

1 event · 1 release on Find a Tender
  1. Tender notice published
    16 Sept 2025, 20:35 BST
    UK4

Contracting authority & participating public bodies

3 public bodies on the notice

ENVIRONMENT AGENCY

Contracting authorityPublic authority - sub-central government GB-PPON: PNWW-1475-NYLN Seacole Building, 2 Marsham Street, London, London, SW1P 4DFContact name, email

Other public bodies

Official documents & specifications (1)

Official links; attachments are not copied

Notices published for this procedure

  • Tender notice tenderTender noticeUK4Tender notice on Find a Tender