Scope
Reference
Prj_7372
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.
Contract 1. Wastewater Networks Optimisation
Supplier
Contract value
- £7,500,000 excluding VAT
- £9,000,000 including VAT
Above the relevant threshold
Award decision date
20 October 2025
Date assessment summaries were sent to tenderers
20 October 2025
Standstill period
- End: 29 October 2025
- 8 working days
Earliest date the contract will be signed
30 October 2025
Contract dates (estimated)
- 1 November 2025 to 1 November 2028
- Possible extension to 1 November 2030
- 5 years, 1 day
Description of possible extension:
Up to 2 year extension option
Main procurement category
Services
CPV classifications
- 34144520 - Sewage tankers
- 90492000 - Sewage treatment consultancy services
Submission
Submission type
Tenders
Procedure
Procedure type
Competitive flexible procedure
Special regime
Utilities
Supplier
Flow Management Solutions Ltd
- Companies House: 14781909
8 Wingbury Courtyard
Aylesbury
HP22 4LW
United Kingdom
Region: UKJ13 - Buckinghamshire CC
Small or medium-sized enterprise (SME): Yes
Voluntary, community or social enterprise (VCSE): No
Supported employment provider: No
Public service mutual: No
Contract 1. Wastewater Networks Optimisation
Contracting authority
Southern Water Services Limited
- Public Procurement Organisation Number: PBJQ-2231-ZRPG
Southern Water, Southern House
Worthing
Bn13 3NX
United Kingdom
Contact name: Luke Stone
Email: luke.stone@southernwater.co.uk
Website: http://www.southernwater.co.uk
Region: UKJ27 - West Sussex (South West)
Organisation type: Private utility