---
title: "T140 - Mechanical Installation, Repair and Maintenance"
ocid: "ocds-h6vhtk-05955a"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-05955a"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-05955a.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-05955a.json"
source: "Find A Tender Service"
current_stage: "Tender"
buyer: "NI WATER"
published: "2026-04-15"
---

# T140 - Mechanical Installation, Repair and Maintenance

Buyer: NI WATER  
Current stage: Tender  
OCID: ocds-h6vhtk-05955a

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## Summary

The "T140 - Mechanical Installation, Repair, and Maintenance" contract is being actively procured by NI Water, a public authority operating under Northern Irish devolved regulations. Located in Belfast, NI Water seeks to appoint a contractor to deliver mechanical installation, repair, and maintenance services across its asset base. This procurement, under the competitive flexible procedure, is classified within the services category and is above the threshold stipulated by UK legislation. Key industry classifications include mechanical engineering services and repair and maintenance services of mechanical building installations, among others, applicable to both the North West and South East regions. The tender period ends on 20th April 2026, following an extension from 17th April. The enquiry period closes on 8th April 2026, and the award period concludes on 8th July 2026.

This tender offers substantial opportunities for business growth for contractors specialising in mechanical installation and repair services. With a gross value of £79.8 million and individual lot values of £39.9 million, the contract is designed to encourage participation from small and medium-sized enterprises (SMEs) capable of delivering high-quality service across NI Water's expansive infrastructure. For businesses experienced in handling diverse mechanical tasks—including installation services, maintenance of compressors, and the supply and repair of gearboxes—this contract represents a lucrative opportunity to expand operations in the Northern Irish utilities sector. The award criteria are evenly balanced between cost and quality, emphasising the importance of a comprehensive service package to meet the client's specifications and statutory regulations. Businesses interested in leveraging this opportunity are encouraged to obtain detailed documentation from eTenders NI and prepare competitive bids by the submission deadline.

## Notice

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.

### Lot Information

MIRM services - North West

Mechanical Installation, Repair and Maintenance Service for the North West area.

Renewal: 4 x up to 12 months optional extension periods at Client's absolute discretion, subject to agreement.

MIRM services - South East

Mechanical Installation, Repair and Maintenance Service for the South East area.

Renewal: 4 x up to 12 months optional extension periods at Client's absolute discretion, subject to agreement.

### Planning Information

NI Water plans to hold a Supplier Presentation Session in October 2025 (date and time TBC). 
Suppliers can register their interest in attending this Session and confirm two (2) attendees by submitting an email to sourcing@niwater.com FAO Keith Watson and Dean Campbell with contact names, company position and accompanying email address.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/034149-2026 |
| Notice type | UK4 - Tender Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Selective |
| Procurement method details | Competitive flexible procedure |
| Tender suitability | SME |
| Awardee scale | Not specified |
| All stages | Planning, Tender |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 15 Apr 2026 |
| Submission deadline | 20 Apr 2026 |
| Future notice date | 30 Jan 2026 |
| Award date | Not specified |
| Contract period | 20 Jan 2027 - 19 Jan 2030 |
| Recurrence | 2033-03-02 |

## Values

| Field | Value |
| --- | --- |
| Tender value | £66,500,000 |
| Lots value | £66,500,000 |
| Awards value | Not specified |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Active |
| Lots status | Active |
| Awards status | Not specified |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | NI WATER |
| Additional buyers | NORTHERN IRELAND WATER |
| Locality | BELFAST |
| Post town | Northern Ireland |
| Postcode | BT14 6TE |
| Country | Northern Ireland |
| ITL 1 | TLN Northern Ireland |
| ITL 2 | TLN0 Northern Ireland |
| ITL 3 | TLN06 Belfast |
| Local authority | Belfast |
| Electoral ward | Chichester Park |
| Westminster constituency | Belfast North |
| Delivery location | Not specified |

## CPV Codes

### Divisions

- 34 - Transport equipment and auxiliary products to transportation
- 45 - Construction work
- 50 - Repair and maintenance services
- 51 - Installation services (except software)
- 71 - Architectural, construction, engineering and inspection services

### Codes

- 34320000 - Mechanical spare parts except engines and engine parts
- 45350000 - Mechanical installations
- 50531300 - Repair and maintenance services of compressors
- 50712000 - Repair and maintenance services of mechanical building installations
- 51120000 - Installation services of mechanical equipment
- 71333000 - Mechanical engineering services

## Release History

- 15 Apr 2026 at 11:11 - TenderUpdate - UK4 - Tender Notice - https://www.find-tender.service.gov.uk/Notice/034149-2026
- 20 Mar 2026 at 19:07 - TenderUpdate - UK4 - Tender Notice - https://www.find-tender.service.gov.uk/Notice/026007-2026
- 6 Mar 2026 at 13:31 - Tender - UK4 - Tender Notice - https://www.find-tender.service.gov.uk/Notice/020402-2026
- 5 Sep 2025 at 17:56 - Planning - UK2 - Preliminary Market Engagement Notice - https://www.find-tender.service.gov.uk/Notice/054455-2025

## Documents

- https://www.find-tender.service.gov.uk/Notice/034149-2026
  15th April 2026 - Tender notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/026007-2026
  20th March 2026 - Tender notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/020402-2026
  6th March 2026 - Tender notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/054455-2025
  5th September 2025 - Preliminary market engagement notice on Find a Tender

## Notice URLs

- http://www.niwater.com
- https://www.legislation.gov.uk/ukpga/2023/54/contents

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-h6vhtk-05955a. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-05955a.json.