Keltbray Capabilities Overview

Group capability overview 2023

Keltbray is a specialist construction engineering and infrastructure services group Our purpose is to redefine the way sustainable development is delivered.

Based on our collective experience, we collaborate at the earliest stage to design and self-deliver innovative customer solutions across technically demanding built environment and infrastructure sectors.

Working in partnership with our stakeholders, we are actively contributing to economic growth, social advancement and environmental protection.

Keltbray Holdings Limited | Capabilities overview | 2023

Contents

OVERVIEW

2

Performance at a glance Group overview Our services and sectors How we create value Our strategy Sustainability framework

4 6 8 10 10 12

BUILT ENVIRONMENT SOLUTIONS

14

Engineering services Construction services

16 22

INFRASTRUCTURE SOLUTIONS

26

Transport services Energy services

28 38

GROUP SERVICES

44

Keltbray Holdings Limited | Capabilities overview | 2023

1

Overview

2

Keltbray Holdings Limited | Capabilities overview | 2023

We are a leading specialist construction engineering and infrastructure services group, focussed on building and infrastructure projects across the UK, and selective international markets. We aim to deliver certainty for our clients from project inception to completion, often in highly complex and regulated environments.

Keltbray is a privatelyowned enterprise, committed to delivering exceptional quality and value, based on a unique set of self-delivery capabilities. These include design, engineering, offsite manufacturing and complex construction capabilities. We operate across a broad spectrum of growth sectors, supporting our clients in the development and maintenance of their capital assets.

Our clients place their trust in us to complete their projects to an exceptional quality, safely, on time, within budget and with care for the environment and communities where we work. Our unique

business portfolio means we can offer standalone or fully-integrated solutions, to meet the exacting needs of their project investments.

Our collaborative approach combines discipline in delivery with the continuous pursuit of improvement through the application of ‘real world’ innovations.

They enable us to drive greater productivity, by realising the investments we are making in digital technologies, state-of-theart plant and machinery and most importantly, our talented people.

Our long term strategy aims to achieve business resilience by providing

our products and services in a way that leads the industry in terms of new thinking, innovation and modern methods of delivery.

We will achieve this through a commitment to creating shared value for our clients and all stakeholders who chose to work and partner with the Keltbray Group.

Brendan Kerr Executive Chairman

Darren James Chief Executive Officer

Keltbray Holdings Limited | Group capability overview | 2023

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Performance at a glance Despite another year of trading challenges, Keltbray remained on track to deliver its strategy for sustainable growth – ‘Unleashing our potential’, to diversify and strengthen the business. We are aligning our capabilities with attractive UK growth sectors, where we see increasing demand for our sustainably engineered solutions.

We are pleased to report that the Group has posted a strong performance, ending the year with good growth in revenues, operating profit, the order book and sales opportunity pipeline, while strengthening our balance sheet, providing the necessary resilience to continue to enhance the effectiveness of our operating model and position ourselves to deliver our growth strategy.

4

FINANCIAL and OPERATIONAL HIGHLIGHTS

Strong financial performance, delivering sustainable growth in turnover, profit and balance sheet resilience.

ANNUAL TURNOVER

OPERATING PROFIT

£527.8m

£5.2m

35 percent growth in annual revenues to £527.8.0m for FY22 reflecting gains in secured work over previous two years

388 percent increase in operating profit post exceptional items to £5.2m, representing a satisfactory performance despite inflationary pressures

2022

2022

£527.8m £390.0m

2021 2020

Excellent operational performance with significant growth in value and diversity of order book underpinned by tighter governance in opportunity selection and project delivery.

Keltbray Holdings Limited | Group capability overview | 2023

£429.0m

£5.2m

2021

(£1.8m)

2020

(£6.0m)

ORDER BOOK

Our NetPromoter Score CUSTOMER SATISFACTION

£526.4m

54

70 percent growth in secured order book to £526.4m equivalent to one years annual turnover

2022 2021 2020

Cust

®

£526.4m £310.0m £224.0m

85%

Net Promoter Score

0 -50

50

54

Customer-centric organisational structure and ‘one Keltbray’ delivery approach achieving industry-leading approval ratings

NPS

-100

100

“Our reputation for complex engineering excellence, supply chain operations and our delivery culture, combined with the attractive fundamentals of our core markets, gives us a strong platform to ‘unleash our potential’ and realise our ambitions for the future growth of Keltbray, even in the face of continued headwinds.”

Darren James Chief Executive Officer

Keltbray Holdings Limited | Group capability overview | 2023

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Group overview A SUSTAINABLE BUSINESS MODEL

We are focusing our integrated services on solving customers’ engineering challenges in a rapidly changing world.

The resilience of the Keltbray model and the commitment of everyone in the business has shown the resourcefulness, agility and above all else, the dedication to the customers we serve and the communities in which we operate.

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Keltbray Holdings Limited | Group capability overview | 2023

WHO WE ARE

WHY WE DO IT

Keltbray is a UK-leading specialist construction engineering and infrastructure services business, offering a range of self-delivered solutions for blue-chip public and private sector customers.

Our purpose is to redefine the way sustainable development is delivered. Our deep expertise means that we offer standalone and holistic services, to meet our clients’ complex and changing engineering demands to enhance, upgrade and decarbonise their capital assets.

WHAT WE DO Operating in highly-regulated and safety-critical sectors, we are a key player in developing and maintaining Britain’s economic infrastructure and built environment, and in selective overseas markets.

Our customers trust us to deliver certainty on their projects – to specification, safely, on programme, within budget and with care for the environment and the communities that host us.

Our integrated delivery approach is underpinned by the significant investments we are making in the development of our people, our specialist delivery capabilities and our research and development agenda. It focuses our business on engineering innovation and delivery excellence to provide greater value for all our stakeholders.

HOW WE DO IT Keltbray’s distinctive delivery model is based around a set of complementary capabilities that together constitute the way we go to work to deliver certainty through the smart solutions we provide for our customers.

SCAN TO WATCH OUR FILM Watch our corporate film to find out what we do and how we are redefining the way sustainable development is delivered.

Our progressive approach seeks to break down the barriers to success inherent in traditional contracting models. Clients need to feel confident entrusting their investments with a delivery partner capable of turning vision into reality. They need to be certain the end result will meet their expectations – and will be completed to the agreed programme, budget and specifications.

and trusting client relationships that allow us to engage early on projects as a prerequisite to delivering greater value. It is only when clients and delivery partners – along with designers and others with vested interests – collaborate from the outset, as part of an integrated team, that opportunities for innovation in engineering can be fully exploited.

We believe that our unique delivery model has the potential to address these challenges – and the key to unlocking its benefits lies in deep CO

S IE IT UN M M

Innovative engineering excellence

H

OW

WE

C R E AT E V

AL

UE

Delivery certainty OU

R K

EY ENABLE

RS

Talented people

Future-proofed digital technologies, processes and equipment

/ INSURERS

Strategic customer relationship management

Financial resilience

Integrated self-delivery model

EM PL O YE

ORS EST INV

SUPPLY CHAIN PA RTN ER S

Inherent in the way we go to work, is a different kind of client/delivery partner relationship management approach – one based on establishing and maintaining long-term strategic relationships where both parties’ interests are aligned to deliver mutual benefit.

INNOVATIVE ENGINEERING EXCELLENCE CLIENTS

ES

“Our sustainable business model provides progressive, long-term environmental, social and economic value to the stakeholders we serve.”

STRATEGIC CUSTOMER RELATIONSHIP MANAGEMENT

We work collaboratively with our clients, supply chain and industry partners to de-risk project delivery and engineer solutions with a high degree of outcome certainty. Our multi-disciplined network of professional engineers can design, contract and supervise sustainable, high performance engineering and construction services in the public and private sectors.

INTEGRATED SELF-DELIVERY MODEL By drawing on our specialist in-house delivery businesses and directly employed workforce, we have greater control over quality and productivity. It enables us to be more responsive, rectify issues and interface clashes quicker and achieve greater integration across the project phases. This brings an operational focus and intensity to project delivery that is very different to the traditional subcontracting model.

Keltbray Holdings Limited | Group capability overview | 2023

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Our services and sectors

Industry-leading business services

Keltbray operates an integrated construction engineering and infrastructure services business model. This is proving highly effective in diversifying our income streams across targeted sectors, locations and different phases of the value chain, helping to deliver a sustainable performance over the longer term.

STRONG OPPORTUNITY PIPELINE

Keltbray is positioned strongly in its chosen markets to take advantage of the visible opportunities and deliver stakeholder value.

8

Keltbray Holdings Limited | Capabilities overview | 2023

SPECIALIST ENGINEERING AND ENVIRONMENTAL SERVICES

INFRASTRUCTURE SERVICES

– Demolition and remodelling – Geotechnical engineering and deconstruction – Environment – Contaminated soil / ground water – Asbestos removal – Site remediation – Decommissioning and hazardous waste management

– – – – – – – – –

CONSTRUCTION SERVICES

SUPPORT SERVICES

– – – – – –

– – – –

Engineering design – Wentworth House Partnership Civil engineering Piling Sub and super structures Transport piling Transport structures

Rail systems design – Wentworth House Rail Systems Rail civil engineering Rail overhead line electrification and distribution Power transmission Energy network distribution Renewables Highways civil engineering Energy storage Primary and distribution substations and telemetry

Preconstruction and commercial management BIM and digital engineering Civil engineering plant, lifting and haulage equipment Project delivery support services: – Recruitment – Operational safety training – Occupational health and wellbeing

Dynamic growth sectors

Through our UK business network, Keltbray has a strong and growing presence in built environment and infrastructure sectors.

Our business activities are shaped by the product innovation and delivery certainty of the services we provide to meet clients’ sustainable development challenges.

gineering and t en tal services s i l en ia ec ironm p v S n e

s on cti rvice tru se ns ring Co ee in

en g

Building

Energy

Rail

– Residential/ Commercial – Manufacturing – Industrial

– Civil Nuclear – Power Networks and storage – Renewables

– UK Network – Urban Transit – High Speed 2

Transport

Government infrastructure

Public Utilities

nf r ee astr rin uc g s ture erv ices

Integrated self-delivery

Lo gis tica l serv support ices

I in g

en

– Highways – Aviation – Marine

– Defence – Health – Law and Order

– Telecoms Networks – Urban realm and regeneration – Flood alleviation

Keltbray Holdings Limited | Capabilities overview | 2023

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How we create value WHAT DIFFERENTIATES KELTBRAY? The unique combination of highly experienced teams; innovative self-delivery capabilities; financial resilience; strong, enduring partnerships and our ‘can do’ reputation across all elements of our business are what we believe sets us apart from our competitors.

OUR PURPOSE

To redefine the way sustainable development is delivered Transforming our specialist engineering services to help create a safer, smarter, more sustainable modern society.

OUR VALUES

WHAT WE DO

Keltbray’s values sit at the heart of everything we do. Guided by our purpose and values, we drive high performance, where people thrive through purposeful action. Our values and our commitment to doing the right thing are the foundations of our Code of Conduct.

We demolish and remodel

We remediate and enable

We design and manufacture

Our circular ecosystem

We renew, upgrade and maintain We deconstruct and decommission

Keltbray Holdings Limited | Group capability overview | 2023

Health, safety and wellbeing

People

Relationships

Innovation

‘Can do’ attitude

OUR STRATEGY Guided by our purpose, our strategy is to ‘unleash our potential’ and deliver sustainable growth, creating sustainable value for all our stakeholders and leading returns for our shareholder. We achieve this through innovative services and technologies – in the hands of our highly capable people.

Measuring delivery of our strategy We engineer and construct

10

Our strategy

We track our strategic progress holistically – spanning non-financial and financial performance – and throughout the year, using KPIs that are based on the key pillars of creating purposeful value: – – – – – –

Safety, health and wellbeing Talent Financial Service Quality Society Environment

Delivering sustainable value for all our stakeholders: Customers, People, Communities, Shareholders, Investment partners, Supply chain partners, Government and regulators, Natural environment

Unleashing our potential

ACTION AGENDA

ACTION AGENDA

Deliver engineering excellence for our customers that directly supports industry transformation

Our

collaborative Our approach and collaborativeinnovation-led approach andself-delivery innovation-led model self-delivery model

S

S

Strategic goals

LE

R

Strategic goals

IS A AB TI O N A L E N

Enhance organisational capabilities and strengthen the business core

framework and financial discipline

Target integrated solutions with Enhance organisational capabilities building customers and strengthen the business core

Grow presence in infrastructure sectors adjacent markets

Build business resilience and generate sustainable Target synergistic opportunities inprofits

AN

O

RG

Build business resilience and generate sustainable profits

RG

adjacent markets

AN

Target integrated solutions with Target synergistic opportunities in building customers Grow presence in infrastructure sectors

Our best practice governance Our framework and best practicefinancial governancediscipline

IS A AB TI O N A L E N

LE

R

A strategy for sustainable growth

Our responsible approach to doing the right Our thing for the environment responsible and society

approach to doing the right thing for the environment Our inclusive, and society

O

By uniting core ‘can do’ culture driven by clear purpose and profit to values and business ethics grow responsibly, we Our inclusive, ‘can do’ culture aim to lead the way driven by clear values and in engineering and business ethics constructing a greener, more socially sustainable future for the UK.

DeliverCustomers engineering excellence for our customers that directly supports industry transformation Deliver sustainable engineering solutions for customers in our core building and infrastructure markets through Customers a relentless focus on collaboration, delivery and quality certainty, and innovation Deliver sustainable engineering solutions for customers in our core building and infrastructure markets through Supply chain a relentless focus onpartners collaboration, delivery and quality certainty, and innovation Achieve alignment of culture and priorities with our supply chain partners to create best-in-class, sustainable

Supplyand chain partnersoutcomes for customers, creating mutual value for all stakeholders collaborative Achieve alignment of culture and priorities with our supply chain partners to create best-in-class, sustainable and collaborative outcomes for customers, creating mutual value for all stakeholders

Build business resilience and deliver profitable growth in a risk-assured way Shareholder value - Adopt a highly-disciplined approach to workgrowth winningin based on achievingway strict financial targets against Build business resilience and deliver profitable a risk-assured robust selection criteria

Shareholder value - Deliver predictable cash flows and sustainable margins through the economic cycle - Adopt highly-disciplined tosupport work winning based onand achieving strict financial targets against - a Generate shareholder approach returns that continued growth business improvement robust selection criteria - Deliver predictable cash flows and sustainable margins through the economic cycle - Generate shareholder returns that support continued growth and business improvement Play a full role in addressing the environmental and social challenges to create greater value for the planet Climate action and carbon reduction Drive a circular economy approach to develop and deliver carbon-smart project solutions to achieve net zero by 2040 thatinprotect the environment and enhance biodiversity for future generations Play a full role addressing the environmental and social challenges to create greater value for the planet Value creation ClimateSocial action and carbon reduction Proactively generate positive social change which contributes to the long-term prosperity and resilience of Drive a the circular economy approach to develop and deliver carbon-smart project solutions to achieve net zero by communities that host us and wider society 2040 that protect the environment and enhance biodiversity for future generations

Social Value creation Proactively generate positive social change which contributes to the long-term prosperity and resilience of the communities that host us and wider society Embed a purpose-led, inclusive culture where everyone has the opportunity to thrive and contribute to our success

Safety and wellbeing Our primary focus is to ensure we promote health and prevent harm for our employees and all those who come into contact with our operations

Embed a purpose-led, inclusive culture where everyone has the opportunity to thrive and contribute Our people to our success

Create a progressive workplace which enables everyone to reach their full potential and the business succeeds

Safety and wellbeing as ‘one Keltbray’ Our primary focus is to ensure we promote health and prevent harm for our employees and all those who come into contact with our operations Our people Create a progressive workplace which enables everyone to reach their full potential and the business succeeds as ‘one Keltbray’

Keltbray Holdings Limited | Group capability overview | 2023

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Key Performance Indicators ENVIRONMENT

FINANCIAL PERFORMANCE The Group sets stretching but achievable financial performance targets as part of its annual strategic planning process to improve performance from both a cost and sales perspective to drive appropriate financial returns, with complementary capital structures. These are derived from the Group’s consolidated financial statements.

Measuring our performance The Main and Executive Boards use a balanced range of financial and operational indicators across our business units to measure the Group’s performance against its strategic targets, helping to guide our thinking and decision making at every stage of corporate development and client delivery.

REVENUE

OPERATING PROFIT (POST-EXCEPTIONAL ITEMS)

GROUP CASH HEADROOM

£527.8m

£5.2m

£38.1m £38.1m

£5.2m

£527.8m

£35.1m

Our pledge to reach net zero by 2040 underpins all five capitals of sustainability (manufactured, financial, social, human, natural). We recognise the need to move ‘beyond zero’ – building a resilient business that puts the wellbeing of our teams, the natural environment and our stakeholders requirements at the heart of everything we do.

CLIMATE ACTION AND CARBON REDUCTION

£429.0m

19,207 (tCO e)

£390.0m

2

(£6.0m)

£22.5m

(£1.8m)

19,817

2020

12

2021

Keltbray Holdings Limited | Group capability overview | 2023

2022

2020

2021

2022

2020

2021

18,689

18,810

2020

2021

2022

2022

OPERATIONAL PERFORMANCE The Group sets and tracks operational performance through alignment to the Group Strategic goals and our strategic purpose to transform the organisation into one recognised as a specialist engineering enterprise of considerable scale and profitability. These results form part of a continuous monitoring and improvement cycle that help guide the immediate next steps in our strategy realisation.

CUSTOMERS To assess progress towards our aim of becoming a trusted engineering partner generating sustainable returns, we continuously track the marketing, adoption and application of the core elements of our integrated value proposition across our targeted clients and sectors. We also use qualitative client satisfaction survey results as key indicators of our engineering and delivery performance on clients’ projects.

ENHANCING CAPABILITY We are refining our business systems and processes to optimise our assets, capabilities and risk appetite. By working according to our governance framework and complying with the high standards set out in our Global Code of Conduct, the Group will sustain long-term business success.

ORDER BOOK

ACCIDENT FREQUENCY RATE

£526.4m

0.12

£526.4m

0.14 0.12

0.12

£310.0m

Employee engagement is based on trust, integrity, two way commitment and communication between an organisation and its members. It is an approach that increases the chances of business success, contributing to organisational and individual performance, productivity and wellbeing.

GOOD DAYS AT WORK

4.35 / 5

£224.0m

2020

EMPLOYEE ENGAGEMENT

2021

2022

2020

2021

2022

PEOPLE

CUSTOMER SATISFACTION

The Group’s pursuit of industryleading financial and operational performance is dependent on the quality and commitment of its people.

It is critical that the Group attracts, develops and retains the best talent to ensure project delivery within the tight tolerances of quality, time, cost, safety and sustainability required to provide certainty for our clients.

54 Net Promoter Score As reported in Keltbray's 2022 Annual Report and Accounts, Keltbray’s aggregated Net Promoter Score(NPS) was 54, which is considered a great result.

Taken as a customer satisfaction percentage, this translates to 85% overall satisfaction with our services.

With the construction industry NPS benchmark for 2022 standing at 45 this is an exceptional performance, although as the qualitative feedback suggests, there is room for improvement in specific areas of our operations.

85% Satisfaction Rate Our NetPromoter® Score

Customer satisfaction

0 -50

50

-50

100

-100

54

0 50

-50

100

-100

85

NPS

-100

SurveyMonkey Global Benchmark for Construction industry

0

50

45

%

NPS

Keltbray Holdings Limited | Group capability overview | 2023

100

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To redefine the way sustainable development is delivered.

Keltbray’s clear and guiding purpose closely aligns with our long-standing reputation for innovation and delivery certainty, and with the millions of people who rely on our services every day.

At Keltbray we are working to create a sustainable future by combining integrity and smart innovation to meet, to the greatest extent possible, the balanced needs of all our stakeholders.

We are focused on enhancing the quality and value of our business through the disciplined allocation of our resources to meet the demands and expectations of our changing world, so that we grow our business safely, sustainably and responsibly, for the benefit of all.

Sustainability framework Sustainability runs through everything we do. From the people we support, the company we sustain, the local communities we work in, the industry we represent and the planet we live on.

The built environment and infrastructure industry is materials and resource intensive, with huge pressures exerted on the natural environment at every stage of a project’s life-cycle.

Sustainability is therefore mutually beneficial to both the natural environment and our business, aiding us to use resources efficiently to create long-term sustainable value, build resilience to environmental and social pressures, as well as minimise risks throughout our supply chain to drive economic growth.

Managing the environmental, social and economic pillars holistically is key to protecting our environment, supporting local communities, serving our customers, sustaining the economy and helping wider society thrive.

The areas of focus below have been identified as being integral to Keltbray, based on a materiality assessment of their impact on our business, and they therefore set the framework for the Group’s sustainability approach and programmes of work.

Darren James Chief Executive Officer

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Keltbray's sustainability pledge is to provide innovative building and infrastructure engineering solutions that generate value to our customers and support their own sustainability commitments, whilst playing our own part in addressing the global challenges determined by the UN Sustainable Development Goals.

Keltbray Holdings Limited | Group capability overview | 2023

Holly Price Group Sustainability Director

Quality education Good health

Gender equality

SOCIAL AINABILITY T S U S

Reduced inequalities

Sustainable cities and communities

Redefining the way sustainable development is delivered

TAL MEN Y ON ILIT VIR INAB ENUSTA S

Industry, innovation and infrastructure

ECO SUSTA NOM INA IC BIL ITY

Decent work and economic growth

Climate action

Keltbray Holdings Limited | Group capability overview | 2023

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Built environm solutions Built environment solutions 16

Keltbray Holdings Limited | Capabilities overview | 2023

ment

A clear focus on modern methods of construction delivery

Keltbray Holdings Limited | Capabilities overview | 2023

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Engineering services

Engineering services

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Keltbray Holdings Limited | Group capability overview | 2023

Engineering design – Wentworth House Partnership Keltbray’s in-house engineering design consultancy – Wentworth House Partnership, has over 20 years’ experience covering all areas of temporary works, refurbishments and foundations in the demolition and civil engineering sector. As the scope of the Group offering has widened, we have broadened our services to meet the growing need of clients.

We are acknowledged as the temporary works market leader in the design of façade retentions, structures during demolition and deep basements. We also have wide experience of developing methodologies and sequences to minimise the risks and optimise the use of resources by re-engineering or removing wasteful practices.

WHP’s geotechnical team won Ground Engineering magazine’s 2019 Consultancy of the Year award. In recognition of its deep experience and skills in geotechnical structures, innovative engineering methodologies and designs and value analysis. We have invested heavily in our in-house capability in the use of 3D finite element tools. Similarly we have a strong structural team capable of delivering 3D FE analysis of complex structures and loading regimes.

KELTBRAY CONSULTING EXPERTISE COVERS: – – – – – – – – – – – – – – – –

Formwork Falsework Shoring Needling Underpinning Gantries Tower crane foundations, ties and sequencing Foundations for tracked plant and mobile cranes Temporary works for tunnelling Bridge construction Building works Marine works Concrete frame construction including high-rise Core construction, precast and hybrid concrete High-quality finishes and high-performance concrete Pre-stressed concrete construction

Keltbray Holdings Limited | Group capability overview | 2023

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Demolition and remodelling Keltbray provides a range of specialist services associated with the planning and delivery of a wide range of complex demolition and substructure projects across the UK. We are extremely proud of our reputation as the UK’s leading specialist demolition and deconstruction service provider.

Demolition and deconstruction comprises services carried out in the early stages of a construction project in preparation for the new build phase. Services include environmental and logistic planning, engineering design, demolition and dismantling of redundant built structures.

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All projects are carefully evaluated to identify the techniques that will provide the safest method of demolition. From robotic remote-controlled demolition, through to meticulous highly-controlled cut-and-lift dismantling techniques and high explosives demolition, we ensure the highest operational standards are met on every contract. Combined with the latest technologies in haulage, plant, specialist equipment and environmental management tools, we deliver projects in a safe, environmentally sensitive and highly-efficient manner.

Keltbray Holdings Limited | Group capability overview | 2023

Site remediation Keltbray specialises in the onsite remediation of contaminated ground, water, and soils, utilising both in situ and ex situ techniques. Offering a range of treatment solutions, our priority is to deliver compliant and sustainably remediated sites with full regulatory approval, suitable for end-use requirements.

Our detailed understanding of contaminated land and the effectiveness of our remedial solutions enables the most complex and technically challenging projects to be delivered to our customers’ and regulatory authority’s specification.

At Keltbray, we are solutions driven and always adopt the best value-based engineering strategies, utilising innovative thinking and modern methods of delivery. We do not have

affiliations with any particular technique or technology, which allows us to be flexible and tailor all our solutions to meet the specific needs of the project conditions.

We also draw on our broad range of specialist services across the Keltbray Group, enabling a holistic project view with complementary divisional capabilities to manage multiple work packages for our customers. This allows sequencing and productivity efficiencies to deliver a more advantageous programme and drive commercial savings through value engineering.

TECHNICAL CAPABILITIES INCLUDE: – General materials management – Bioremediation – in situ and ex situ (windows, biopiles, in-vessel bioreactors) – Chemical treatment (including oxidation, dehalogenation) – Water treatment

– Asbestos in soils – Soil vapour extraction (including steam injection) – Soil washing – Offsite soil treatment – Stabilisation and solidification – Thermal treatment

(including thermal desorption and steam injection) – Treatment plant for complex sorting – Air sparging – Biosparging and bioventing

Keltbray Holdings Limited | Group capability overview | 2023

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Decommissioning Keltbray provides the engineering solutions to industrial decommissioning projects throughout the UK. Keltbray provides specialist expertise for the decommissioning phase of projects covering the period from plant closure to commencement of demolition.

During this stage of the works, characterisation surveys are used to identify the location and quantum of potentially hazardous materials, plants cleaned and de-energised, and value engineering applied

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to maximise the return from saleable assets.

Keltbray is an industry leader in this field, covering a wide range of highly-regulated and heavy industries including nuclear, petrochemical, pharmaceutical and the power sector.

Keltbray Holdings Limited | Group capability overview | 2023

Geotechnical and environmental solutions Keltbray's geotechnical expertise covers all aspects of project remediation, providing on site solutions for Brownfield sites, to enable development or manage environmental issues. Our in-house technical expertise, including highlyqualified scientists, chartered environmental and waste professionals, specialise in the on site remediation of contaminated groundwater and soils utilising both in situ and ex situ techniques.

Offering a range of treatment solutions, our priority is to deliver compliant and sustainably remediated sites, with full regulatory approval, suitable for end-use requirements. We possess a collective technical knowledge base in environmental and chemical consultancy to rival any UK competitor.

the UK, our geotechnical capabilities provide a regulatory, compliant and sustainable alternative for contaminated soils through diverting waste from landfill.

Keltbray offers environmental solutions that provide the management and removal of asbestos and other hazardous materials, such as lead, radiological, chemical and biological contamination, and operates within a wide range of sectors, including defence, Government, transport, heritage, leisure and energy including nuclear, commercial and retail.

Keltbray implements the treatment of contaminated materials from Brownfield and redevelopment, remediated sites, transforming them into recycled resources suitable for use in restoration projects and new landforms. Specialising in the recovery and offsite treatment of construction, demolition and excavation wastes, and operating from strategic locations across Keltbray Holdings Limited | Group capability overview | 2023

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Construction services

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Keltbray Holdings Limited | Group capability overview | 2023

Construction services

ESTIMATING SERVICES INCLUDE: – Budgets and detailed estimates – Historical cost data – Value engineering – Current market trends – ‘Open book’ transparent approach

PLANNING SERVICES INCLUDE: – Programmes and methodologies – Logistics and construction sequencing – 3D/4D project modelling – 3D printing – Time slice sequencing and animation – HoloLens mixed-reality visualisation – Presentation and submission document production – Risk management, review and mitigation – Formulation of remediation strategies

Preconstruction services Preconstruction estimating and planning services such as specialist advice and consultancy are available at the initial stages of a project and run all the way through to completion.

Early engagement of these services offers clients the opportunity to develop innovative solutions, with both commercial and programme certainty, to improve value and reduce risk.

The preconstruction teams are further supported by the latest computer software and presentation packages, which also drive the enhancement of our Building Information Modelling (BIM) and digital engineering capabilities.

Keltbray prides itself on the depth of its experienced estimating, planning and engineering staff, who provide services across the Group, either as an integrated offering, or standalone requirement such as a pre-demolition consultancy service for client-side development teams.

Keltbray Holdings Limited | Group capability overview | 2023

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Enabling works Keltbray provides a number of enabling works services, including site establishment, site security, logistics solutions, investigations and surveys, hazardous material removal, remediation, archaeological and heritage attendance, utilities isolations and diversions, and site clearance.

These can be delivered as one-off provisions, or as part of an integrated service offering that provides clients with a confident and assured start to a project. Our key project enabling services also extend to assisting with client Section 106 Planning Obligations.

Increasingly these involve more challenging deliverables that address the environmental, economic, cultural and social impacts of a development as Local Authorities seek better value for their local communities.

The various enabling works we provide can also be incorporated with our demolition, groundworks and piling services to provide an integrated package solution; offering potential significant programme and cost benefits to a client’s project.

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Civil engineering groundworks covers the onsite preparation of sites and the beginning of the new construction process where new foundations and substructure works are undertaken, minimising waste-to-landfill through re-use, recycle and other innovative recovery methods wherever possible.

KEY ENABLING SERVICES OFFERED

BY KELTBRAY INCLUDE: – Piling enabling works and attendance – Underpinning – Basement excavation – Civil engineering – Temporary works – Top-down and blue sky construction – Reinforced concrete elements – Environmentally Friendly Concrete

Keltbray Holdings Limited | Group capability overview | 2023

Piling Keltbray's piling business unit was established in 2009 and has grown to become one of the largest specialist piling contractors in the UK. Delivering high-quality, costeffective and innovative piling solutions in a safe and efficient manner.

Keltbray provides a unique offering through the integration with Keltbray’s own engineering design consultancy, delivering an end-to-end solution or a bespoke choice of services,

PILING SERVICES INCLUDE: – Full in-house geotechnical design service – Rotary bored piling up to 2.4 metre diameter and upto 80 metres deep – CFA piling – to 1.2 metre diameter, 28 metre deep – Contiguous and secant piled wall solutions – Mini and micro piling techniques – Transport piling – Piles constructed under support fluid – HIPER® Pile solutions

backed by a central technical design and engineering resource in Wentworth House consulting services.

This diverse capability streamlines the construction process by enabling us to deliver all aspects of the piling package works directly – reducing the time and cost implications associated with multiple interfaces between different supply chain partners, achieving greater delivery certainty.

We provide early works foundation strategies, construction issue design, construction and management solutions for piled foundations across the UK and beyond.

It has extensive experience in both small and large high profile piling works, including Battersea Power Station, Tottenham Hotspur FC and 150 Bishopsgate.

Structures Over the last few years we have expanded our core service, offering a full capability in the design and construction of above and below ground, reinforced concrete (RC) structures. Our key areas of expertise include design and construction of most types of RC basement, sub and superstructure frames and post-tensioned concrete construction, including multi-storey and high-rise structural frames.

Furthermore, we can offer a complete service from pretender budgets, to advanced value engineering and programming. This approach extends from conversion of existing structures to reinforced concrete, alongside overall resolution of the appropriate construction to the required

structural specification and quality. We are able to provide complete build-ability across the entire pre and early construction phases of a development, facilitated through our fully integrated in-house service, from scheme design and demolition right through to all structural construction elements prior to fit-out.

Keltbray strives to continually incorporate innovative products, tailored structural designs and efficient processes into its work. We use an extensive range of high tech proprietary formwork from suppliers and have a dedicated precast factory for the production of complex and bespoke moulds.

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Infrastructure solutions Infrastructure solutions 28

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Directly supporting the UK government's pledge to 'build back better'

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Transport services

Transport services

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Construction services

Rail services Keltbray's specialist rail services delivery businesses are at the forefront of innovation and best practice solutions in rail design, engineering and operational delivery. The business has been involved in the construction of a number of the UK’s most prominent and successful infrastructure projects.

Our direct-delivery philosophy in design, project management, engineering, construction and maintenance services, and rail plant supply allows us to control all aspects of a project, minimising delivery risk and providing greater certainty for our clients.

Our leading electrification design house, Wentworth House Rail Systems (WHRS), has unrivalled expertise in existing and new build railway design, and further benefits from being part of a wider

Keltbray consultancy capability, which specialises in structural, geotechnical and environmental engineering to support rail projects as required.

From commencement to completion on all infrastructure projects, we focus on our clients’ key performance drivers. Our practical experience and design-led philosophy are brought together to drive innovation, health, safety and wellbeing, time and quality benefits from the very earliest engagement on a project.

KELTBRAY RAIL SERVICES INCLUDE: – – – – – –

WHRS design Rail Civils Track Isolations Overhead Electrification Power and Distribution

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Rail engineering design – Wentworth House Rail Systems (WHRS) Wentworth House Rail Systems (WHRS) provides a ‘turn key’ solution for design and build Overhead Line Electrification (OLE) and Overhead Contact System (OCS) rail projects across the UK and in selective international markets. We are the UK’s leading rail electrification design engineers, offering single-discipline design right through to full multi-disciplinary design projects, adapting OLE design to meet all infrastructure requirements.

WHRS was established in 2012 and offers a full range of electrification design services for both direct current (DC) and alternating current (AC) OLE and rail contact systems for heavy and light railway systems.

Our rail design business is part of a wider Keltbray design capability which specialises in structural, geotechnical and environmental engineering, supporting all aspects of rail infrastructure.

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Keltbray Holdings Limited | Group capability overview | 2023

WHRS DESIGN AND ENGINEERING CONSULTANCY SERVICES INCLUDE: – Feasibility studies – Outline and detailed design – Project management – Technical assurance – Engineering support – Testing and commissioning – Provision of Section and Isolation diagrams – Signal sighting animation/verification The WHRS team employs a proactive, early engagement approach, providing clients with the highest quality, fully costed designs that facilitate greater programme certainty in the delivery phases.

KELTBRAY'S SPECIALIST SERVICES INCLUDE: – UK’s largest rail piling division within the UK – High-output OLEMI style foundation installation using our rail mounted batching unit – Bespoke foundation installation including gravity pads and padstones built into retaining walls – Structure strengthening – Overhead line structural cutbacks, prop and cut – High-output bridge and tunnel drilling using the Keltbray high-output drilling unit – Cable route installation including ground level and elevated GRP route – Under-road / track-crossing installation using our in-house track handback support – Asbestos surveys and handling using our in-house specialists – Demolition and precast structure installation – High-level works using our in-house staff with working at height capability and mobile elevated work platforms – Platform works including new build and platform extensions – Temporary works design, installation and management

Rail civil engineering Rail civil engineering consists of the design, construction and maintenance of railway systems. This includes track groundworks, Overhead Line Electrification (OLE), piling, demolition and deconstruction of redundant railway structures, welding, permanent way, signalling systems maintenance, and management and removal of hazardous and non-hazardous waste.

Keltbray has been delivering rail civils construction works for over ten years and has worked on many high-profile projects across the UK, delivering significant elements of the rail infrastructure for many of the rail network operators.

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Track and permanent way Keltbray’s permanent way capability specialises in both track maintenance support from our Ashford hub, and major permanent way project delivery from our Basildon and Crewe hubs.

plant, and has a track record of delivering on complex projects in the critical design, construction, maintenance and renewal phases.

Keltbray delivers to accredited and award-winning standards using its own safety-critical labour supply and specialist rail

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Keltbray Holdings Limited | Group capability overview | 2023

OUR TRACK CAPABILITIES INCLUDE: – Permanent way renewals and remodelling schemes including complex, multidisciplinary staged works – Inspection and maintenance including heavy maintenance and hot weather patrolling – Tamping schemes and re-alignment works including track geometry plate installation and datum plate works – Slab Track installation and level crossing works including Edilon slab track level crossing installation – IBJ installation and removals.

– Re-railing and stress restoration works including both plain line and S&C – Wheel timber installation and replacement – Sleeper installation and replacement works including long bearers – Switch and crossing inspection, grinding and replacement works – Drainage works, installation and maintenance – Lateral resistance plate installation – CRT management and track monitoring – Track welding

TECHNICAL CAPABILITIES INCLUDE: – Experienced, skilled project and construction management – Safety-critical support from preparation through onsite delivery to completion and EiS – Internal OLEC competency and training – Experienced in design and build for multiple OLE ranges including GEFF, MK1, MK3, UK1, Series 1, Series 2, UKMS, Siemens and others – Main part – steel design/ plan/install/removal – Small part – steel design/ plan/install/removal – Booster – design/plan/ install/removal – Wiring – design/plan/ install/removal – ATF – design/plan/install/ removal – Bonding – design/plan/ install/removal – Neutral section and section insulators – design/plan/install/ removal

Rail electrification and distribution Keltbray focuses on maximising rail network availability, while minimising service interruptions and disruptions.

We pride ourselves on our highly-experienced, multidisciplined teams and a commitment to providing highstandard rail solutions, which are delivered safely, and on time and budget.

Keltbray has extensive experience in all aspects

of railway electrification.

Wentworth House Rail Systems delivers leading electrification design and Keltbray has one of the country’s largest project management and construction capabilities, for cost-effective overhead line electrification installation, upgrades and maintenance services. Our people are highly trained and accredited,

experienced and committed to ensuring the safety and quality of the UK’s rail infrastructure.

When operating in new geographies, Keltbray is committed to securing and developing local labour pools, developing their skills through our established training centres, and building industry skills and employability as part of our inclusive sustainability strategy. This approach

creates significant socioeconomic benefits for projects, including minimising travel times, reducing project costs, and providing a long-term sustainable resource whilst reducing our carbon footprint.

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Rail isolations Keltbray’s isolation capability is supported by our dedicated in-house training programme for all technical levels of isolation staff. This unique skills development service also incorporates the subsequent competency assessments to maintain the capabilities and professional accreditations of our people for the future. We closely follow Green Book and route-specific developments to ensure we understand and are fully prepared to meet the constantly changing requirements of the UK’s rail regimes.

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TECHNICAL CAPABILITIES INCLUDE: – Project management / construction management – Safety-critical support from preparation to onsite delivery management – Full/part isolation management – Full/part support staff including N/P, AP, E/A – Bonding – design/plan/install – Isolation of switches (manual or motorised) – Operation of all switches – Fully qualified SIP (North West area) – Fully qualified SIP+ (GWEP) – Test commissioning of new and modified OLE using inhouse staff – Route isolation planning and delivery

Our project portfolio is extensive and includes complex works undertaken as part of Crossrail, National Highways, Network Rail and Nuclear generation amongst many others.

OUR PROJECT TYPES INCLUDE: Bridges – From basic roadway crossings to entire bridge replacements Rail – Tracks for commuter rail, high speed, and metro systems Highways – Simple-level residential streets to complex overpasses and tunnels Canals and river stabilisation – For both shipping and recreational goals Wastewater treatment plants – Holding tanks, settlement ponds, and other essential processing structures Dams and corresponding reservoir tanks or lakes – Systems designed for power generation Earthworks projects – Capping landfills, reshaping flood-prone areas, and diverting and building new land drainage infrastructure

Heavy civil engineering Keltbray has developed a leading capability in delivering heavy civil engineering projects constructing sewers, roads, bridges, tunnels and other large infrastructure projects.

Our heavy civils division has the expertise and significant experience to complete unique and complex construction projects for our clients across the UK. Our innovative temporary works and geotechnical design solutions cover enhanced construction methodologies, detailed earthworks models, detailed soil analysis and stabilisation requirements, mass haul, complex water management and site drainage solutions and approved foundation designs for all structure types.

Our unique integrated delivery management approach comprises: – Leading self-performing heavy civils contractor operating across UK infrastructure markets – Experienced professionals in all aspects of delivery – Circa 1,800 directlyemployed employees, with accredited, highly-qualified subcontract capability – Modern Plant and machinery Fleet – End-to-end quality management approach – Industry-leading Health & Safety systems compatible with clients needs – Environmental solutions and Social Value management – A one-stop solution for all project requirements

Project experience The following projects show our significant experience of ECI and target costing: – HS2 C1 Chiltern Tunnels South Portal main compound (£40 million) – HS2 C2/C3 A41 & SMRR (£40 million) – Sizewell C Enabling Works ECI (£100k of £100m project value) – Laggan Tormore Gas Plant ECI (£83 million) – M8 ECI Cashel to Mitchelstown Road Improvement scheme (£220 million) – Corrib Gas Terminal (€110 million)

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Highways services Keltbray self-delivers critical road and major highways infrastructure across the UK road network for UK Government agencies including National Highways and its delivery partners, and local authorities, often as part of major, complex mixed-use urban redevelopment schemes.

Our expertise covers concept design, project and risk management and advanced self-delivery capabilities including the

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decommissioning and demolition of redundant road assets, right through to the design, installation and maintenance of motorway and dual carriageway structures, ensuring a safe and sustainable road network for the millions of commuters across the UK. Building on our expertise in power transmission and distribution, we also have a growing capability in road network power distribution and asset electrification.

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TECHNICAL CAPABILITIES INCLUDE: The business is currently involved in the construction of some of the UK’s most prominent road infrastructure programmes. Our directdelivery philosophy in design, project management, engineering, construction and maintenance services, and highways plant supply, allows us to control all aspects of a project, minimising delivery and interface risk, and providing greater outcome certainty for our clients.

– Project and programme management – Development of both highway and traffic asset management plans – Highway asset valuations – Specialist highways engineering direct delivery capabilities – Specialist highways plant – Service level development, in consultation with stakeholders – Value management and option appraisal – Highway maintenance plans and other management documents – Environment and biodiversity consultancy – Training and workshops – Public consultations – Procurement advice – Risk management

TECHNICAL CAPABILITIES INCLUDE: Temporary Works – Tubular propping and ground shoring – Facade retention schemes – Crane grillages and support – Core and global structure stability – Slab edge support – Proprietary and bespoke manufactured systems – Coordination and supervision through highly-trained workforce – Temporary works design working collaboratively with our in-house design practice – Wentworth House Partnership

Permanent Works – Substations, distribution centres, warehouses and factories, to bridges, viaducts and head housings – Complex structural alterations and refurbishment – Structural steel element re-use – Early stage cost and programme certainty – Material and plant supply

Structural steel Keltbray is a leading specialist structural steel services provider, applying its proactive relationship management approach with customer teams, supply chain partners and regulatory bodies. This promotes early dialogue and proactive design evaluation, facilitating effective communication and identifying key project risks with defined delivery requirements.

Our detailed understanding of the way sustainable structural steelwork is delivered in the temporary and permanent condition, across new steel structures and refurbishment structural alterations (Cut

‘n’ Carve) scopes and the effectiveness of our innovative engineering solutions enables the most complex and technically challenging projects to be delivered to our customers’ high specification standards.

Our purpose if to redefine the way sustainable development is delivered and is evidenced by our actions, demonstrated through the development of our circular economy directives in the re-use of steel sections utilising our unique ability to harvest via urban mining, through our marketleading demolition, civils and remediation business units.

Architectural metalwork – Architectural and bespoke metal works – Complex structural steelwork

Composite slabs – Grouting, concrete cutting, concrete drilling, upstands, lift pits

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Energy services

Energy services

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Keltbray Holdings Limited | Group capability overview | 2023

Energy services Keltbray delivers vital energy infrastructure across the UK. Our expertise spans the decommissioning of power generation assets, technical solutions to design, install and maintain regional and national electricity networks, ensuring the safe supply of power to millions of households across the country. Our experience and expertise covers overhead lines, HV substation installations, cable tunnels and distribution networks.

Keltbray also has a growing capability in renewable energy, including piling solutions and high-voltage engineering, as well as decommissioning of redundant wind turbine assets.

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Renewables

TECHNICAL CAPABILITIES INCLUDE:

MARKETS

Full design service

We deliver fully integrated, turnkey renewable projects for clients. Our multidisciplinary capabilities offer a full range of services that cover the entire life-cycle of a project, from planning and project development to design, procurement, implementation and follow-up on operation, maintenance, and finally to decommissioning.

– Feasibility, outline and detailed design capability – Substations installation – Cables and overhead lines.

Including SCADA, protection and control

We have a rich history of delivering high-profile schemes for major clients in the energy industry, providing a blend of solutions for electrical infrastructure including wind farm, interconnector converter/substations, energy storage, renewable energy projects and EV infrastructure.

Accreditations held

Our specific offering includes a combination of civil and electrical engineering solutions including: groundworks, new site development, access road construction and junctions, FRC, hard standings, excavation, drainage, steel portal frame and cladding buildings.

The design, construction, commissioning, maintenance and operation of renewable substation plant, overhead line and underground distribution systems including SCADA, protection and control upto 400kV with NERS accreditation upto 132kV.

Generation and storage Green energy infrastructure – solar, wind and hydrogen

Connections and BoP Independent connection provider Balance of Plant solutions

Civils infrastructure – – – – – – –

Groundworks FRC Earthing Steelwork and cladding Cable troughs Access roads S278/38

Electrical infrastructure – – – – – Electric Vehicle infrastructure Transport hubs Connection points Turnkey solutions

Asset management Asset replacement and refurbishment

HV/LV Substations Cables and overhead lines SCADA Protection and control Commissioning

Integrated solution – Holistic delivery encompassing both civil and electrical engineering solutions

Operate and maintain

Substations Wind farms / Interconnectors Converter stations and Substations

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– LV & HV systems including fault location and repair – Asset monitoring – Rapid response network resumption following crisis outage

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Power network distribution and transmission Power distribution and transmission is the business of ensuring constant power supply through the provision of construction, maintenance and repair services for energy utility companies (or distribution

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network operators). Trusted by all seven distribution network operators in the UK to keep the power on, Keltbray is now the UK’s largest provider of overhead support, with over 230 highlytrained professional linesman.

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TECHNICAL CAPABILITIES INCLUDE: – Project management/ construction management – Safety-critical support from preparation to onsite delivery management – Isolation management and installation of isolations – Bonding – design/plan/ install – Installation of HV trough route, HV cable, jointing and terminations (low/high level) – Sheath and core to screen testing and pressure testing – HV cable spiking – Installation of switches (manual or motorised) – OLE for power connections – Substation earth mat installation – Production/ implementation of commissioning strategy and section-proving documentation (OLE and distribution) – Level A, B and C, entry and work in substations – Installation of SSP transformers (25kV to 400v signal supply) – Complete substation build from design to build including groundworks, piled/concrete foundations

– HV testing and commissioning of substations – Decommissioning redundant substations and associated ancillaries (water/power/ telecommunications) – Demolition/removal of redundant equipment/ buildings – Removal of hazardous waste (asbestos) – DNO foundations – Earth mat installation and testing

Keltbray International Keltbray International offers a comprehensive range of construction and infrastructure services incorporating design and delivery of client projects of varying scales and complexities in Canada and Australia, focused primarily in the rail civil engineering, and power electrification sectors.

As a recent market entrant, our agility allows us to offer a fully-integrated service offering based on the Group’s significant investments in specialist operatives and plant, which drive up the levels of safety, quality and productivity on projects beyond those achievable by the local incumbent providers.

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Group services Group services 46

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Demolition, construction and rail plant Our specialist demolition, construction and rail plant capability has played a key role in delivering some of the industry’s most complex projects by applying our experience and relentless focus on safety and continuous improvement to support our clients’ requirements.

Keltbray owns and operates a comprehensive range of specialist plant providing high-specification and fullysupported equipment to projects associated with construction, demolition, civil engineering and rail. Our

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machines are designed to add value and increase safety and sustainability performance to client projects, and include robotic equipment, dumper trucks, piling rigs and mobile elevating work platforms.

emissions performance, and all operatives undertake a rolling programme of skills training and methodology statement updates to ensure we remain at the forefront of industry thinking.

This capability gives us confidence that our people are working with the most modern and well maintained specialist equipment available, therefore guaranteeing their safety and ability to deliver.

Keltbray’s plant division provides all the specialist machinery and vehicles the Group requires to self-deliver clients’ projects. This means no third parties are relied upon and Keltbray can deliver with greater certainty. All specialist plant is self-maintained to manufacturer’s specifications to deliver market-leading

Keltbray's Rail Plant business own, supply and operate specialist overhead line and road rail plant with a capability that outperforms rival equipment available in the market. We are committed to the maintenance and operation of plant to the highest standards and in full compliance with our Rail Plant Operators Scheme License.

Keltbray is at the forefront of investing in the training and latest technologies to ensure our plant and equipment capabilities keep us at the forefront of the industry.

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Lifting Keltbray's Lifting Services business is one of the UK’s most capable lifting solution providers in the construction and infrastructure industry.

We have the experience, expertise and ability to work with our clients from the conception to completion, with innovative approaches and world-class credentials.

We have an enviable track record of success in advanced engineering, construction and infrastructure support.

We have vast knowledge and experience in planning lifting operations using all categories of cranes and lifting equipment, some examples include overhead, crawler and tower cranes. Our lifting teams are highly-experienced in providing end-to-end support on projects ranging from a one-tonne load to the heaviest single crane lift in the UK. Safety is at the heart of everything we do. As a leading provider to the UK market, the health and safety, and environmental impact, of every action we undertake is our number one priority.

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This report was written, designed and produced by Keltbray's Group Proposals and Corporate Communications Team. No part of it may be reproduced without the prior permission of Keltbray Holdings Limited.

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Redefining sustainable development