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E&P, SPS and OLE Framework for Southern Region

NETWORK RAIL INFRASTRUCTURE LIMITED

This public procurement record has 1 release in its history.

Planning

20 Aug 2026 at 14:50

UK2 - Preliminary Market Engagement Notice
Summary of the contracting process

Network Rail Infrastructure Limited intends to establish a Southern Region framework for railway infrastructure works and maintenance support. The draft scope covers Electrical and Plant (E&P) minor, planned, reactive and emergency works, including traction and non-traction power distribution, points and conductor rail heating, low-voltage systems, lighting and domestic electrical systems. It also covers Signalling Power Supply (SPS) minor works and renewals, including cables, cable routes, functional supply points, monitoring systems, schematic modifications, sub-fusing, network splitting and Distribution Interface Transformer Assemblies. Overhead Line Equipment (OLE) support includes isolation teams, nominated persons, Engineering Supervisors, Points Operators, Barrier Persons and DET Communications support. Work is expected across the Southern Region rail network, supporting planned programmes and emergent operational requirements.

This procurement is at the planning and preliminary market engagement stage; it is not an invitation to tender. Network Rail expects to establish one framework lot using a framework agreement, with a planned contract period from 1 October 2027 to 1 October 2035. The stated estimated value is £28 million excluding VAT, or £33.6 million including VAT. The buyer expects the next notice to be published on 9 November 2026. Suppliers are invited to provide feedback through a market engagement survey, with responses expected by 12 noon BST on 3 September 2026. Feedback may influence the scope, framework design, lotting structure, duration, evaluation methodology and delivery requirements. The published scope and procurement strategy remain subject to change, and engagement participation will not form part of any future evaluation.

The proposed framework should suit businesses able to deliver rail infrastructure maintenance, renewals, minor works and reactive responses across electrical power and overhead line environments. Relevant capability includes work on traction and non-traction distribution, low-voltage and lighting systems, points and conductor rail heating, SPS cables and equipment, power supply modifications, fault monitoring and network splitting. Specialist OLE resources are also relevant, particularly isolation teams, nominated persons, Engineering Supervisors, Points Operators, Barrier Persons and DET Communications support. Suppliers should be able to support planned, unplanned, emergency and operational requirements, with suitable labour, plant and technical competence. The buyer has indicated that SMEs and voluntary, community or social enterprises may be suitable for the planned lot. Market participants can help shape the future requirements through the engagement exercise.

How relevant is this notice?

Notice Information

Notice Title

E&P, SPS and OLE Framework for Southern Region

Notice Description

Network Rail intends to establish a framework for the delivery of Electrical & Plant (E&P) Minor and Reactive Works, Signalling Power Supply (SPS) Minor Works and Renewals, and Overhead Line Equipment (OLE) Maintenance support services across the Southern Region. The framework will provide access to suitably qualified suppliers to undertake planned, reactive, emergency and renewal activities associated with the maintenance, renewal and operational support of rail infrastructure assets. The E&P scope encompasses maintenance, minor works and reactive interventions relating to E&P assets and systems across the Southern Region, including but not limited to: -Traction power distribution systems. -Non-traction power distribution systems. -Points heating and conductor rail heating systems. -Low Voltage (LV) systems, including Distribution Network Operator (DNO) supplies. -Lighting and domestic electrical systems, including station, lineside, outdoor and level crossing lighting. -Signalling Power Supply (SPS) Minor Works and Renewals The SPS scope comprises planned and unplanned renewal, replacement, modification and maintenance activities associated with signalling power supply infrastructure, including but not limited to: -SPS cables (230V to 650V) and associated cable routes. -Functional Supply Points (FSPs) and other structures housing SPS equipment. -SPS cable and fault monitoring systems and associated equipment. -Power supply schematic design amendments and modifications. -SPS sub-fusing works. -SPS network splitting and modification works using Distribution Interface Transformer Assemblies (DITAs). -OLE Maintenance Support Services The OLE scope comprises the provision of specialist labour and plant resources to support maintenance and operational activities on Overhead Line Equipment infrastructure, including but not limited to: -OLE isolation teams and nominated persons. -Engineering Supervisors. -Points Operators. -Barrier Persons. -DET Communications support. The framework is expected to support the safe and efficient delivery of maintenance, renewal and reactive works across the Southern Region rail network and may be utilised for both planned programmes and emergent operational requirements. Please note: The scope detailed within this notice is draft and is being shared for the purposes of preliminary market engagement. Network Rail reserves the right to amend, expand, reduce or otherwise modify the scope and procurement strategy following review of market feedback and business requirements.

Planning Information

Network Rail is conducting Preliminary Market Engagement (PME) in advance of a proposed procurement for the provision of an Electrical & Plant (E&P) Minor Works and Reactive Maintenance, Signalling Power Supply (SPS) Minor Works and Renewals, and Overhead Line Equipment (OLE) Maintenance Framework for the Southern Region. The purpose of this engagement is to: Inform the market of the forthcoming opportunity. Obtain supplier feedback on the proposed scope and framework structure. Understand current market capacity, capability and interest. Identify opportunities to maximise competition and innovation. Help shape the procurement strategy and tender documentation prior to commencing the formal procurement process. Interested suppliers are invited to participate by completing the following market engagement survey : E&P, SPS & OLE Framework for Southern Region Pre-Market Engagement Survey (estimated completion time 10 minutes) https://forms.cloud.microsoft/e/031dhDB4iB Response Deadline: 12:00 noon (BST) on 03 September 2026. Suppliers are encouraged to provide detailed and constructive feedback. Responses received will be reviewed and may be used to inform the procurement approach, framework design, lotting structure, duration, evaluation methodology and delivery requirements. Participation in this market engagement exercise is voluntary and will not form part of any future evaluation process. Completion of the survey will not confer any advantage or disadvantage in any subsequent procurement exercise, nor does it constitute a commitment by Network Rail to undertake any procurement or award any contract. Network Rail reserves the right to amend the proposed scope, procurement strategy and timetable following consideration of the feedback received. Any future procurement opportunity will be advertised separately through the appropriate procurement channels.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-06e8be
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/079517-2026
Current Stage
Planning
All Stages
Planning

Procurement Classification

Notice Type
UK2 - Preliminary Market Engagement Notice
Procurement Type
Framework
Procurement Category
Works
Procurement Method
Not Specified
Procurement Method Details
Not specified
Tender Suitability
SME, VCSE
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

45 - Construction work

CPV Codes

45234100 - Railway construction works

Notice Value(s)

Tender Value
£28,000,000 £10M-£100M
Lots Value
Not specified
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
20 Aug 20266 days ago
Submission Deadline
Not specified
Future Notice Date
9 Nov 20263 months to go
Award Date
Not specified
Contract Period
1 Oct 2027 - 1 Oct 2035 Over 5 years
Recurrence
Not specified

Notice Status

Tender Status
Planning
Lots Status
Planning
Awards Status
Not Specified
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
NETWORK RAIL INFRASTRUCTURE 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
LONDON
Postcode
SE1 8SW
Postcode Area
South East London
Country
England
Major Region (ITL 1)
TLI London
Basic Region (ITL 2)
TLI4 Inner London - East
Small Region (ITL 3)
TLI45 Lambeth
Delivery Location
Not specified
Local Authority
Lambeth
Electoral Ward
Waterloo & South Bank
Westminster Constituency
Vauxhall and Camberwell Green

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

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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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