Scope
Reference
B930 (2026)
Description
The purpose of this procurement is to appoint multiple suppliers across four Lots for the Provision of Civil Engineering Works and related services, across Northern Ireland with no specific geographical restrictions, may include but not limited to as follows:
Lot 1 New Build Substations in Greenfield and Brownfield Locations,
• Site Clearance
• Site Investigation
• Switch Houses
• Control Rooms
• Painting
• Building Services
• Piling
• Tx Bunds and Firewalls
• Boundary Walls
• Structure Foundations
• Structural Steel provision and installation
• Concrete Cable Trenches – In-Situ, Precast, GRP
• Site compounds and surfacing
• Various specifications of Fencing and gates
• Drainage, Ducting and Earthing
• Landscaping
• Design
Lot 2 Refurbishment Works within existing Live Substations,
• Site Investigation
• Switch Houses
• Control Rooms
• Painting
• Building Services
• Piling
• Refurbishment / alterations to existing buildings
• Demolition of buildings, concrete and steel structures, bases etc.
• Tx Bunds and Firewalls
• Boundary Walls
• Structure Foundations
• Structural Steel provision and installation
• Concrete Cable Trenches – In-Situ, Precast, GRP
• Site extensions, compounds and surfacing
• Various specifications of Fencing and gates
• Drainage, Ducting and Earthing
• Landscaping
• Design
Lot 3 Miscellaneous Works on Secondary Live Substation Buildings and Kiosk Foundations,
• Alterations to concrete floors to accommodate new equipment and cabling
• GRP Trench Covers and components
• Structural Steel provision and installation
• Installation of Security Doors
• Roof Surveys, repairs and replacement
• Vent installations
• Earthing
• Painting
• Demolition of Existing Buildings
• Various specifications of Fencing and gates
• Landscaping
• Concrete Foundations
• Block Work
• Pre-cast Concrete slab and lintels
• Site compounds and surfacing
Lot 4 Dayworks (Miscellaneous Minor Works)
• Miscellaneous Civil Works in both Main, Primary and Secondary Live Substation locations to include: -
o Security Doors
o Roofing
o Site Clearance
o Demolition
o Landscaping
o Site compounds and surfacing
o Various specifications of Fencing and gates
o Drainage, Ducting and Earthing
o Phase 2 finishing works to Kiosk Foundations
NIE Networks estimates the value of the Contract to be in the region of £83 million for the full 8 year period.
Call off contracts for each Lot will be appointed as outlined in Appendix C - Call Off Procedure of the ITT document.
Commercial tool
Establishes a framework
Total value (estimated)
- £83,040,000 excluding VAT
- £99,600,000 including VAT
Above the relevant threshold
Contract dates (estimated)
- 2 August 2027 to 1 August 2031
- Possible extension to 1 August 2035
- 8 years
Description of possible extension:
Framework Agreements for all Lots will be for an initial 48 month period, with two potential extension periods, each at NIE Networks’ discretion, of up to 24 months each. Alternatively, an extension may also be granted for the full 48 month period, at NIE Networks’ discretion
Options
The right to additional purchases while the contract is valid.
Framework Agreements for all Lots will be for an initial 48 month period, with two potential extension periods, each at NIE Networks’ discretion, of up to 24 months each. Alternatively, an extension may also be granted for the full 48 month period, at NIE Networks’ discretion
Main procurement category
Works
CPV classifications
- 45000000 - Construction work
- 45232220 - Substation construction work
- 45231000 - Construction work for pipelines, communication and power lines
- 45232200 - Ancillary works for electricity power lines
- 45216125 - Emergency-services building construction work
- 45200000 - Works for complete or part construction and civil engineering work
- 45231400 - Construction work for electricity power lines
- 45210000 - Building construction work
- 45220000 - Engineering works and construction works
Contract locations
- UKN - Northern Ireland
Lot constraints
Description of how multiple lots may be awarded:
All appointed Suppliers in Lots 1 to 3 will be appointed to the Framework Agreement for Lot 4
Lot 1. New Build
Description
The construction of new build transmission and distribution substations on Greenfield and Brownfield sites located in various locations throughout Northern Ireland. Note that during phasing of the works the substations will become part of the electricity network and therefore live at specific voltage.
Works will include: -
• Pre-construction surveys including ground investigation and topographical
• Site Clearance and investigation
• Switch House and Control Room Construction
• M & E
• Transformer Bund Construction
• Firewalls
• Concrete Foundations for Structural Steelwork
• In-situ and Pre-formed Cable Trenches
• Compound and Road makeup
• Drainage, Ducting and Earth Installation
• Fencing
Awards under Lot 1 will be determined via the Call-off Procedure.
Lot value (estimated)
- £18,700,000 excluding VAT
- £22,440,000 including VAT
Framework lot values may be shared with other lots
Same for all lots
CPV classifications, contract locations, contract dates and options are shown in the Scope section, because they are the same for all lots.
Lot 2. Refurbishment
Description
The refurbishment of existing live transmission and distribution substations in various locations throughout Northern Ireland.
Works will include: -
• Pre-construction surveys including ground investigation and topographical
• Site Clearance and investigation
• Switch House and Control Room Construction
• M & E
• Transformer Bund Construction
• Firewalls
• Concrete Foundations for Structural Steelwork
• In-situ and Pre-formed Cable trenches
• Compound and Road makeup
• Drainage, Ducting and Earth installation
• Fencing
• Refurbishment and alteration works to existing buildings
• Demolition
Awards under Lot 2 will be determined via the Call-off Procedure.
Lot value (estimated)
- £48,400,000 excluding VAT
- £58,080,000 including VAT
Framework lot values may be shared with other lots
Same for all lots
CPV classifications, contract locations, contract dates and options are shown in the Scope section, because they are the same for all lots.
Lot 3. Miscellaneous / Kiosks
Description
Miscellaneous works on live secondary distribution substations and the construction of Kiosk foundations to support electrical substation equipment in various locations throughout Northern Ireland.
Works will include: -
• Structural alterations to existing load bearing walls
• Structural alterations to existing cable chases and flooring
• Installation of structural steelwork to support equipment and flooring
• Replacement of Security Doors
• Roof Investigation and Replacement
• Construction of foundations and substructure walls to support new electrical equipment
• Enabling works including breaking out redundant bases
• Siteworks including earth installation, fencing, surfacing and finishing works
• Demolition
Awards under Lot 3 will be determined via the Call-off Procedure.
Lot value (estimated)
- £13,740,000 excluding VAT
- £16,488,000 including VAT
Framework lot values may be shared with other lots
Same for all lots
CPV classifications, contract locations, contract dates and options are shown in the Scope section, because they are the same for all lots.
Lot 4. Dayworks (Misc. Minor Works)
Description
Dayworks for various minor civil engineering works across live transmission and distribution substations in various locations throughout Northern Ireland.
Works will include: -
• Replacement of Security Doors
• Roof Investigation and Replacement
• Remedial works to guttering and down pipes
• Minor civil alteration works to existing substation buildings
• Enabling works including breaking out redundant bases
• Siteworks including earth installation, fencing, surfacing and finishing works
Awards under Lot 4 will be determined via the Call-off Procedure
Lot value (estimated)
- £2,200,000 excluding VAT
- £2,640,000 including VAT
Framework lot values may be shared with other lots
Same for all lots
CPV classifications, contract locations, contract dates and options are shown in the Scope section, because they are the same for all lots.
Framework
Maximum number of suppliers
9
Maximum percentage fee charged to suppliers
0%
Framework operation description
Criteria as stated in the procurement documents
Award method when using the framework
Either with or without competition
Contracting authorities that may use the framework
Establishing party only
Participation
Legal and financial capacity conditions of participation
Lot 1. New Build
Lot 2. Refurbishment
Lot 3. Miscellaneous / Kiosks
Lot 4. Dayworks (Misc. Minor Works)
As stated in the procurement documents
Technical ability conditions of participation
Lot 1. New Build
Lot 2. Refurbishment
Lot 3. Miscellaneous / Kiosks
Lot 4. Dayworks (Misc. Minor Works)
As stated in the procurement documents
Submission
Enquiry deadline
3 March 2026, 12:00pm
Submission type
Requests to participate
Deadline for requests to participate
10 March 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)
23 November 2026
Recurring procurement
Publication date of next tender notice (estimated): 20 February 2034
Award criteria
| Name | Type | Weighting |
|---|---|---|
| Commercial | Price | 60% |
| Technical | Quality | 40% |
Other information
Applicable trade agreements
- Government Procurement Agreement (GPA)
Conflicts assessment prepared/revised
Yes
Procedure
Procedure type
Competitive flexible procedure
Special regime
Utilities
Competitive flexible procedure description
As set out in the Procurement documents attached to the project on eSourcingNI
Documents
Documents to be provided after the tender notice
eSourcingNI is NIE Networks’ chosen electronic tendering portal for this Procurement and documents can be found within the project pqq_4710 - B930 (2026) Civil Engineering Works, on the following website - https://e-sourcingni.ukp.app.jaggaer.com/web
Contracting authority
Northern Ireland Electricity Networks Limited
- Companies House: NI026041
120 Malone Road
Belfast
BT9 5HT
United Kingdom
Organisation type: Private utility
Devolved regulations that apply: Northern Ireland