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T130 - Disposal and/or Recycling of Water Treatment Works Residuals

Northern Ireland Water Limited

This public procurement record has 2 releases in its history.

Tender

18 Aug 2026 at 12:55

UK4 - Tender Notice
Planning

08 Jul 2025 at 13:40

UK2 - Preliminary Market Engagement Notice
Summary of the contracting process

Northern Ireland Water Limited is buying services to collect, haul, treat, dispose of and, where possible, recycle residuals or sludge cake from potable water treatment works operated by NI Water and NI Water Alpha. The requirement covers approximately 25,200 tonnes a year across Northern Ireland. Suppliers must provide environmentally compliant recycling routes or use disposal sites approved and certified by the Northern Ireland Environment Agency. The work is divided between residuals from NI Water sites and residuals from NI Water Alpha sites. This is a utilities services procurement for businesses involved in sludge management, waste transport, treatment, recycling or certified disposal.

The process has reached tender: the buyer invited offers through a selective competitive flexible procedure, with tenders submitted via eTendersNI. Enquiries were due by 9 September 2026 at 12 noon and tenders by 14 September 2026 at 12 noon. The planned award decision date is 23 November 2026. Contracts are scheduled to run from 7 February 2027 to 6 February 2029, with extensions available to 6 February 2032. The estimated gross value is £8,640,000. Lot 1, covering NI Water sites, is valued at £6,480,000; Lot 2, covering NI Water Alpha sites, is valued at £2,160,000. Both lots are assessed on 70% cost and 30% quality, and additional services or goods may be purchased.

This opportunity suits waste management and environmental services businesses with the operational capacity to collect and transport substantial volumes of water-treatment residuals or sludge cake across Northern Ireland. Suppliers should be able to provide reliable haulage, appropriate treatment or recycling infrastructure, and compliant final disposal arrangements. Strong candidates will have access to environmentally certified recycling routes and, where recycling is not possible, Northern Ireland Environment Agency-approved and certified disposal sites. Experience managing regulated waste streams, coordinating collections from multiple water treatment works and maintaining robust environmental compliance will be relevant. Businesses able to demonstrate dependable service delivery, suitable transport resources and credible quality controls are well placed to compete on both lots.

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Notice Information

Notice Title

T130 - Disposal and/or Recycling of Water Treatment Works Residuals

Notice Description

This Contract is for the following Services: * Collection, transportation/haulage and final disposal and/or recycling of approximately 25,200 tonnes per annum of residuals/sludge cake from NI Water and NI Water Alpha Water Treatment Works (WTW), as detailed at section 2 of this Specification. * Recycling of residuals/sludge cake, where possible, via a fully compliant environmentally certified recycling route(s) or disposal at a Northern Ireland Environment Agency (NIEA) approved and certified Disposal Site. Please refer to Schedule 1 Specification for further information.

Lot Information

Lot 1 - Disposal and/or Recycling of WTW Residuals from NI Water Sites

This Contract is for the following Services: * Collection, transportation/haulage and final disposal and/or recycling of approximately 15,000 tonnes per annum of residuals/sludge cake from NI Water Water Treatment Works (WTW). * Recycling of residuals/sludge cake, where possible, via a fully compliant environmentally certified recycling route(s) or disposal at a Northern Ireland Environment Agency (NIEA) approved and certified Disposal Site.

Options: The Client reserves the right to purchase additional services or goods under the T130 contract. See section 1.6 of Schedule 1 Specification for further information.

Renewal: The T130 contract has an initial period of 2 years with the option to extend for a total of 3 years (2+1+1+1 years).

Lot 2 - Disposal and/or Recycling of WTW Residuals from NI Water Alpha Sites

This Contract is for the following Services: * Collection, transportation/haulage and final disposal and/or recycling of approximately 10,200 tonnes per annum of residuals/sludge cake from NI Water Alpha Water Treatment Works (WTW). * Recycling of residuals/sludge cake, where possible, via a fully compliant environmentally certified recycling route(s) or disposal at a Northern Ireland Environment Agency (NIEA) approved and certified Disposal Site.

Options: The Client reserves the right to purchase additional services or goods under the T130 contract. See section 1.6 of Schedule 1 Specification for further information.

Renewal: The T130 contract has an initial period of 2 years with the option to extend for a total of 3 years (2+1+1+1 years).

Planning Information

This market engagement exercise is a general market enquiry to identify and engage with suppliers who have the potential to collect, transport and dispose of and/or recycle water treatment works residuals (i.e. waste from potable water treatment, not wastewater). NI Water and NI Water Alpha are seeking to assess the interest, capacity and capability of the market in providing this type of service. NI Water and NI Water Alpha are also interested in receiving feedback from the market on the different experiences, approaches and models used in other sectors / utilities for the provision of this service or a similar service. . NI Water and NI Water Alpha also plan to hold one-to-one supplier engagement meetings w/c 4th August 2025 and an expression of interest for attending a meeting can be made by completing and returning the “Supplier Questionnaire” provided in the “Information Pack”. Further details about the meetings will be issued in due course. . The “Information Pack” contains additional information about NI Water and NI Water Alpha’s requirements for this service. Suppliers can request a copy of the “Information Pack” via email at sourcing@niwater.com FAO Lisa Lindsay. The “Supplier Questionnaire” is to be completed and returned no later than 5pm on Wednesday 23rd July 2025. . Please note that all suppliers wishing to attend a one-to-one supplier engagement meeting must complete and return the “Supplier Questionnaire”.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-055b1f
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/078524-2026
Current Stage
Tender
All Stages
Planning, Tender

Procurement Classification

Notice Type
UK4 - Tender Notice
Procurement Type
Standard
Procurement Category
Services
Procurement Method
Selective
Procurement Method Details
Competitive flexible procedure
Tender Suitability
Not specified
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

90 - Sewage, refuse, cleaning and environmental services

CPV Codes

90513600 - Sludge removal services

90513700 - Sludge transport services

90513800 - Sludge treatment services

90513900 - Sludge disposal services

Notice Value(s)

Tender Value
£8,640,000 £1M-£10M
Lots Value
£8,640,000 £1M-£10M
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
18 Aug 20261 weeks ago
Submission Deadline
14 Sep 20263 weeks to go
Future Notice Date
2 Feb 2026Expired
Award Date
Not specified
Contract Period
7 Feb 2027 - 6 Feb 2029 2-3 years
Recurrence
2031-03-03

Notice Status

Tender Status
Active
Lots Status
Active
Awards Status
Not Specified
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
Northern Ireland Water Limited
Additional Buyers

Northern Ireland Water

Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
BELFAST
Postcode
BT14 6TE
Postcode Area
Northern Ireland
Country
Northern Ireland
Major Region (ITL 1)
TLN Northern Ireland
Basic Region (ITL 2)
TLN0 Northern Ireland
Small Region (ITL 3)
TLN06 Belfast
Delivery Location
TLN Northern Ireland
Local Authority
Belfast
Electoral Ward
Chichester Park
Westminster Constituency
Belfast North

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

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