NI Water Mechanical Installation, Repair and Maintenance Tender
Summary
NI Water has published a tender notice for Mechanical Installation, Repair and Maintenance services, with an estimated total value of £79,800,000 including VAT. The notice was initially published on March 6, 2026, and has since been amended to extend the submission deadline to April 17, 2026.
What changed
NI Water is seeking a contractor to provide comprehensive Mechanical Installation, Repair, and Maintenance (MIRM) services for its asset base, estimated at £79.8 million (including VAT) over a potential 7-year period. The tender notice, initially published on March 6, 2026, has been amended to extend the submission deadline to April 17, 2026, at 12 noon. This procurement is conducted under the Procurement Act 2023.
Companies interested in bidding must submit their proposals by the new deadline of April 17, 2026. The contract involves providing skilled labor and materials for mechanical services, covering installation, repair, and maintenance across various manufacturer equipment. Potential bidders should review the full specification and award criteria, noting that the contract duration is three years with four optional one-year extensions. Failure to meet the submission deadline will preclude participation.
What to do next
- Review tender documents for Mechanical Installation, Repair and Maintenance services.
- Prepare and submit bid proposals by the extended deadline of April 17, 2026.
- Ensure compliance with all specified requirements and statutory regulations.
Source document (simplified)
Tender
T140 - Mechanical Installation, Repair and Maintenance
- NI Water UK4: Tender notice - Procurement Act 2023 - view information about notice types
Notice identifier: 2026/S 000-026007
Procurement identifier (OCID): ocds-h6vhtk-05955a (view related notices)
Published 6 March 2026, 1:30pm
Last edited 20 March 2026, 7:07pm
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Contents
Scope Lots (2) Participation Submission Award criteria Other information Procedure Contracting authority
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This notice has been edited. The previous version is still available.
The tender submission deadline has been extended to 17th April 2026 at 12 noon.
Reference
T140
Description
NI Water wishes to appoint a contractor to provide M and E Services with Mechanical Installation, Repair and Maintenance for the full range of manufacturer’s equipment currently within NI Water’s asset base. The contractor will be responsible for providing the necessary skilled and unskilled labour together with the materials to carry out the work in accordance with the Specification, statutory regulations and to the satisfaction of NI Water.
Total value (estimated)
- £66,500,000 excluding VAT
- £79,800,000 including VAT Above the relevant threshold
Contract dates (estimated)
- 20 January 2027 to 19 January 2030
- Possible extension to 19 January 2034
- 7 years
Description of possible extension:
4 x up to 12 months optional extension periods at Client’s absolute discretion, subject to agreement.
Main procurement category
Services
CPV classifications
Mechanical engineering services
Installation services of mechanical equipment
Repair and maintenance services of mechanical building installations
Mechanical installations
Mechanical spare parts except engines and engine parts
Repair and maintenance services of compressors
Lot 1. MIRM services - North West
Description
Mechanical Installation, Repair and Maintenance Service for the North West area.
Lot value (estimated)
- £33,250,000 excluding VAT
- £39,900,000 including VAT
Same for all lots
CPV classifications and contract dates are shown in the Scope section, because they are the same for all lots.
Lot 2. MIRM services - South East
Description
Mechanical Installation, Repair and Maintenance Service for the South East area.
Lot value (estimated)
- £33,250,000 excluding VAT
- £39,900,000 including VAT
Same for all lots
CPV classifications and contract dates are shown in the Scope section, because they are the same for all lots.
Particular suitability
Lot 1. MIRM services - North West
Lot 2. MIRM services - South East
Small and medium-sized enterprises (SME)
Enquiry deadline
8 April 2026, 11:59pm
Submission type
Requests to participate
Tender submission deadline
17 April 2026, 12:00pm
Submission address and any special instructions
Tenders may be submitted electronically
Yes
Languages that may be used for submission
English
Award decision date (estimated)
8 July 2026
Recurring procurement
Publication date of next tender notice (estimated): 2 March 2033
| Name | Type | Weighting |
| --- | --- | --- |
| Quality | Quality | 50% |
| Cost | Cost | 50% |
Conflicts assessment prepared/revised
Yes
Procedure type
Competitive flexible procedure
Special regime
Utilities
Competitive flexible procedure description
The Competitive Flexible Procedure is described in the T140 tender documents which are available on eTendersNI.
NI Water
- Public Procurement Organisation Number: PCZH-7295-JJTZ Westland House
Belfast
BT14 6TE
United Kingdom
Email: sourcing@niwater.com
Region: UKN06 - Belfast
Organisation type: Public authority - sub-central government
Devolved regulations that apply: Northern Ireland
Named provisions
Related changes
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