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AMP 8/9 Reservoir Maintenance Term Service Contract

Portsmouth Water Limited

This public procurement record has 1 release in its history.

Planning

13 Oct 2026 at 14:52

Planning Notice
Summary of the contracting process

Portsmouth Water plans a reservoir maintenance service contract covering its water-supply assets in South Hampshire. The portfolio includes about 35 concrete service reservoirs, with capacities ranging from 0.1 megalitres to 45 megalitres, and one 135-megalitre raw-water reservoir. Work will support the integrity, resilience and compliance of these assets through planned inspection, cleaning, condition assessment, maintenance and repairs. The scope also includes emergency and reactive work when defects, operational problems or water-quality risks need an immediate response. This is specialist reservoir repair and maintenance work, including reservoir cleaning and installation-related services. The service supports Portsmouth Water’s potable-water supply infrastructure.

This is at the planning stage: Portsmouth Water has set out its intention to procure, but has not issued an invitation to tender. The buyer expects to publish a further notice on 30 October 2026; this is an indicative publication date, not a bid deadline. The stated estimated value is £5,756,450. The procurement is planned as a framework with two suppliers. Planned work, including draining, cleaning, inspection and minor works up to £100,000, is to be allocated by direct award based on performance, availability, programming and geography. Emergency and reactive work up to £100,000 is allocated on the same basis. Major works over £100,000 are to be competed between the two framework suppliers. Price is not the only award criterion; the criteria are to be set out in the procurement documents.

The planned framework is suited to specialist reservoir contractors able to deliver both routine asset-care programmes and urgent responses across a varied network of concrete service reservoirs and a raw-water reservoir. Relevant capability includes safe draining and cleaning, inspections, condition assessment, planned maintenance, repairs and remedial works, plus the capacity to mobilise for defects, operational issues and water-quality risks. Suppliers should be equipped to undertake work at different reservoir capacities and to plan delivery around geography, availability and programme requirements. Portsmouth Water intends to select candidates through the UVDB reservoir and dam category, specifically the reservoir-service category. Businesses seeking selection should ensure their UVDB registration is in place and current through Achilles. The framework will involve two service partners, with major works allocated through competition between them.

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Notice Information

Notice Title

AMP 8/9 Reservoir Maintenance Term Service Contract

Notice Description

Portsmouth Water (PW) owns, operates and maintains service reservoirs that form a critical part of its potable water supply infrastructure. The reservoir portfolio comprises approximately 35 concrete service reservoirs ranging in capacity from 0.1Ml to 45Ml, together with a 135Ml raw water reservoir. PW operates a rolling programme of inspection, cleaning, condition assessment and remedial works to ensure the ongoing integrity, resilience and compliance of these reservoir assets. To deliver this programme, the PWL requires suitably qualified and experienced specialists capable of undertaking planned inspection, cleaning, maintenance, repair and condition assessment activities, together with emergency and reactive works where defects, operational issues or water quality risks require an immediate response.

Lot Information

Lot 1

This procurement seeks to procure the services relating to the inspection, cleaning, condition assessment and remedial works of its reservoir assets, to ensure the ongoing integrity, resilience and compliance. PWL requires access to suitably qualified and experienced specialists capable of undertaking planned inspection, cleaning, maintenance, repair and condition assessment activities, together with emergency and reactive works where defects, operational issues or water quality risks require an immediate response. Work will be awarded to two partners under framework with the allocation specified below: *Planned, Draining, Cleaning & Inspection, Minor Works up to PS100K. Partners allocated by direct award based upon performance, availability, programming and geography. *Reactive (Emergency), Drain down clean & Inspection, Minor Works up to PS100K. Partners allocated by direct award based upon performance, availability, programming and geography. *Major Works - A mini-competitive process between the two framework providers. Works over PS100K There will be a balanced planned allocation of work between two suppliers across the network. Additional information: Price is not the only award criterion and all criteria are stated only in the procurement documents

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-0786b8
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/096621-2026
Current Stage
Planning
All Stages
Planning

Procurement Classification

Notice Type
Planning Notice
Procurement Type
Standard
Procurement Category
Services
Procurement Method
Not Specified
Procurement Method Details
Not specified
Tender Suitability
Not specified
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

50 - Repair and maintenance services

51 - Installation services (except software)

90 - Sewage, refuse, cleaning and environmental services

CPV Codes

50514200 - Repair and maintenance services of reservoirs

51820000 - Installation services of reservoirs

90913000 - Tank and reservoir cleaning services

90913200 - Reservoir cleaning services

Notice Value(s)

Tender Value
£5,756,450 £1M-£10M
Lots Value
Not specified
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
13 Oct 20261 weeks ago
Submission Deadline
Not specified
Future Notice Date
30 Oct 20266 days to go
Award Date
Not specified
Contract Period
Not specified - Not specified
Recurrence
Not specified

Notice Status

Tender Status
Planned
Lots Status
Planned
Awards Status
Not Specified
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
Portsmouth Water Limited
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
HAVANT
Postcode
PO9 1NU
Postcode Area
Portsmouth
Country
England
Major Region (ITL 1)
TLJ South East (England)
Basic Region (ITL 2)
TLJ3 Hampshire and Isle of Wight
Small Region (ITL 3)
TLJ35 South Hampshire
Delivery Location
TLJ35 South Hampshire
Local Authority
Havant
Electoral Ward
Bedhampton
Westminster Constituency
Havant

Further Information

Open Contracting Data Standard (OCDS)

View full OCDS Record for this contracting process

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The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.

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