Find a TenderAwardedContract award notice
Published 6 Jun 2025, 12:26 BST

Official UK procurement notice

prj_7372 Wastewater Networks Optimisation Tender

Official notice

Authority: Southern Water Services Limited (Public body)

ServicesCompetitive flexible procedureAbove thresholdUtilitiesSME suitableVCSE suitable
Published estimate£7,500,000≈ £2.5m / year · £9,000,000 inc. VAT · 1 value update
Submissions closed 19 Sept 2025awarded 20 Oct 2025
Award (standstill) to Flow Management Solutions Ltd
Contract term 3 yrsends 15 Nov 2028 · up to 15 Nov 2030 with extensions · starts 15 Nov 2025

What is being bought

Published requirement description

Review and offer insights and proposals on ensuring efficiency and potential savings relating to of any live, reactive or planned Southern Water wastewater tankering operations;

Carry out health and safety assessments and ensure that Southern Water staff and contractors are wearing appropriate PPE and avoiding any potential health and safety risks both on Southern Water Sites or at locations where Southern Water and/or one of their Suppliers are carrying out Operational Services;

Provide a customer relations role through engaging with on Site communications with residents, businesses and parish councils within the Southern Water region to keep them informed and updated on any operational work associated with groundwater management or rising main repair mitigation which may be required;

Provide reports at the frequency and in the form agreed with Southern Water’s contract manager no less than once per calendar month.

Supply information which will enable Southern Water to make balanced decisions around site safety, mitigation expenditure, and operational risk. The intelligence should be based on calculations from the available data, operational and site knowledge and thorough assessment of all onsite activity. The Consultant shall be responsible for sourcing of the data and providing reports, in a format agreed by Southern Water, to Southern Water which sets out their findings.

  • How the procedure runs: Competitive Flexible Procedure for this competition comprised of three stages: Stage 1 – A combined Conditions Of Particiaption and Tender Phase (including Presentation) Stage 2 – Commercial Negotiation Stage 3 – Best and Final Offer (BAFO)

CPV: Sewage tankers · Sewage treatment consultancy services

The lotProcurement structure

single lot · value published
Lot #1AwardedRenewal 3 yrsSMEVCSEPublished value£7,500,000
Contract period: 15 Nov 2025 – 15 Nov 2028 (3 yrs) · up to 15 Nov 2030 with extensionsValue: £7,500,000 exc. VAT · £9,000,000 inc. VAT
Delivery: UK, South EastEligibility: SME eligibleVCSE eligible
Extensions: 3 Year Initial term with the option to extend up to a maximum of 24 months (2 Years)
Pre-qualification & selection criteria (PQQ)2
  • Economic & financial standing

    See Qualification Envelope on sourcing portal

  • Technical & professional ability

    See Qualification Envelope on sourcing portal

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
  • Commercial: Commercial cost to deliver the contract worth 50% of the total score
  • Technical: Technical capability to deliver the contract worth 50% of the total score
Conditions of participation2
  • Economic & financial standing

    See Qualification Envelope on sourcing portal

  • Technical & professional ability

    See Qualification Envelope on sourcing portal

Procedure terms & legal framework

From the official record
Procedure method
Competitive flexible procedure
Legal basis
UKPGA · 2023/54 Procurement Act 2023
Procurement category
Services
Notice status
Awarded
Procurement threshold
Above threshold (FTS publication)
Regulatory regime
Utilities
Commercial structure
Stand-alone contract (no framework)
Competition type
Competitive procedure
GPA / WTO covered
Unspecified in notice
Recurring procurement
Unspecified in notice
First published
6 Jun 2025, 12:26 BST
Last source update
20 Oct 2025, 16:46 BST
Award evaluation window
Submission end – 1 Nov 2025
Authority reference
Prj_7372
FTS notice number
2025/S 000-049961
Latest notice
Contract award notice (UK6)
Classification (CPV)
Sewage tankersSewage treatment consultancy services
Delivery area
UKSouth East (UKJ)
Official registry OCID
ocds-h6vhtk-05445d Find a Tender
Contract terms summary

Small-Medium Enterprises automatically qualify for 30 day payment terms.

Businesses that do not qualify as an SME will be on 60 day payment terms.

How it runs

Competitive Flexible Procedure for this competition comprised of three stages:

Stage 1 – A combined Conditions Of Particiaption and Tender Phase (including Presentation)

Stage 2 – Commercial Negotiation

Stage 3 – Best and Final Offer (BAFO)

Review and risk notes
Risks

Conflicts of interest with existing or new Southern Water suppliers

How it was run

Official notice
Run through: Jaggaer · Who buys & how to bid on JAGGAER
Supplier login requiredElectronic submission allowedLanguage: EN
Access & registration note: Free; latest Chrome/Edge/Firefox only — corporate browsers fail
Submission deadline
19 Sept 2025, 14:00 BST
Submission channel
Official e-sourcing portal
Electronic submission
Allowed
Accepted languages
en
Detailed submission instructions & authority contactsFrom official release

The procurement documents are available for unrestricted and full direct access, free of charge, at

southernwater.bravosolution.co.uk ↗

Additional information can be obtained from the above-mentioned address

Tenders or requests to participate must be submitted electronically via

southernwater.bravosolution.co.uk ↗

Tenders or requests to participate must be submitted to the above-mentioned address

If you are interested in bidding for this tender, please be aware that you will need to have registered on the central digital platform before you will be able to bid. This will require you to complete some information and then you will be provided with a unique identifier. For more information on how to register, please follow the below link:

how to register on the CDP

Timeline

6 Jun 2025 → 15 Nov 2025 · 10 dates
  1. Planning notice published
    6 Jun 2025, 12:26 BST
  2. Market engagement
    12 Jun 2025, 23:59 BST

    Please not this is not a call for competition

    Note: If you are already registered on Southern Water's sourcing portal please go straight to Step 2 below

    If you are unregistered please follow the instructions below to register

    1. Register your company on the Jaggaer sourcing portal (this is required only once)

    Select the "Login or register to participate" link above and click the "Register Now" link on the home page

    Accept the terms and conditions and click "Next"

    Enter your correct business and user details

    Note the username you chose and click "Save" when complete

    You will shortly receive an email with your unique password (please keep this secure)

    1. Respond to the PQQ/ITT

    Login to the portal with your username/password

    Click the PQQs open to all suppliers or ITTs open to all suppliers' link.

    Click on the relevant PQQ/ITT

  3. Next notice expected
    21 Jul 2025, 23:59 BST
  4. Tender notice published
    19 Aug 2025, 17:16 BST
  5. Submission deadline397 days ago
    19 Sept 2025, 14:00 BST
  6. Assessment summaries sent366 days ago
    20 Oct 2025, 00:00 BST
  7. Latest notice published366 days ago
    20 Oct 2025, 16:46 BST
  8. Standstill ends356 days ago
    29 Oct 2025, 23:59 GMT
  9. Award decision expected by353 days ago
    1 Nov 2025, 23:59 GMT
  10. Contract starts340 days ago
    15 Nov 2025

Notice history

9 events · 3 releases on Find a Tender · since 6 Jun 2025
  1. Preliminary market engagement notice published
    6 Jun 2025, 12:26 BST
    UK2
  2. Tender notice published
    19 Aug 2025, 17:16 BST
    UK4
  3. Published value updated to £7,500,000
    19 Aug 2025, 17:16 BST
    was £4,000,000
  4. Status changed to active
    19 Aug 2025, 17:16 BST
  5. Procurement method changed
    19 Aug 2025, 17:16 BST
  6. Deadline published: 19 Sept 2025, 14:00 BST
    19 Aug 2025, 17:16 BST
  7. Contract award notice published
    20 Oct 2025, 16:46 BST
    UK6
  8. Status changed to complete
    20 Oct 2025, 16:46 BST
  9. Contract signature expected
    30 Oct 2025, 23:59 GMT
    scheduled

Commercial outcome & contract awards

Published awards, contracts and bid statistics, not a forecast
Awards 1
Awarded value £7,500,0001 award exc. VAT
Awarded toValueDateStatus
Flow Management Solutions LtdSMEWastewater Networks Optimisation1 Nov 2025 – 1 Nov 2028 · up to 1 Nov 2030Extensions: Up to 2 year extension option£7,500,00020 Oct 2025standstill to 29 Oct 2025Standstill

Contracting authority & participating public bodies

Southern Water Services Limited

Contracting authorityPrivate utility GB-PPON: PBJQ-2231-ZRPG Southern Water, Southern House, Worthing, South East, Bn13 3NXContact name, email

Bidders & participating suppliers

1 commercial party on the notice
  • Flow Management Solutions LtdAwarded supplierGB-COH: 14781909 8 Wingbury Courtyard, Aylesbury, South East, HP22 4LWContact email

Official documents & specifications (4)

Official links; attachments are not copied

Tender pack and attachments

  • Bidding documents and specificationstenderBidding documents and specificationsAccess: All necessary documents will be provided in the tender pack or tender questions available on the Jaggaer eSourcing portal

Notices published for this procedure