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XODUS RENEWABLES
Providing technical advice and support to
renewables projects around the world
Interconnectors & Cables
2www.xodusgroup.com 2
Introductions / Agenda
Agenda
> Who is Xodus?
> What do we do?
> Case studies
> Q&A
Thank you for your time!
INTRODUCTION . WHO IS XODUS . CAPABILITY & CASE STUDIES
Attendees
> From Xodus:
– Sean Rivers
3www.xodusgroup.com 3
Who is Xodus?
Xodus is a leading global energy consultancy. Our experts help clients
overcome challenges, and maximise return on investment, responsibly.
Together we will deliver a
responsible energy future.
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Our Business Strategy
We will deliver a responsible energy future by attracting and nurturing diverse, high-calibre
personnel, deploying their capabilities in an integrated, innovative and intelligent way, and by being a
true partner for our clients to achieve their global business goals together.
HYDROCARBONS RENEWABLES BROADER ENERGY SECTOR
> > 300 technical consultants
> Over 5,000,000 man-hours dedicated
to completing more than 10,000
projects
> Largest project totalling 50,000 hours
and the smallest just 2 hours
> Expertise covering: technical,
commercial, environmental & strategic
> Established track record since 2005
covering more than 200 assignments
> Experience in fixed & floating offshore
wind, wave & tidal, cables &
interconnectors
> We recognise the global energy
challenges and utilise our broad-based
energy expertise to deliver a
responsible energy future. Examples
include:
– Energy storage (chemical,
physical, electrical, incl. CCS)
– Supply chain
– Innovation & technology
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Where are we?
Xodus has experience and
partners around the globe
We have established key delivery
partnerships:
USA
Japan
We also capitalise where appropriate
on the locations of our shareholder,
Subsea 7
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Our Expertise
INTRODUCTION . WHO IS XODUS . CAPABILITY & CASE STUDIES
Delivering a responsible energy future means across everything we do. Not just our Renewables
Division. We advise our clients on a broad range of energy topics from sustainability, energy mix
diversification and environmental impact to new and emerging technologies.
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Jeff McCleary
Engineering
Jon Ashburner
Environment
Andy Small
Geotechnical
James Hunt
Team Lead
Sean Rivers
Engineering
Interconnectors & Cables Team
INTRODUCTION . WHO IS XODUS . CAPABILITY & CASE STUDIES
David Bloxsom
Environment
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What does the I&C Team do?
• Route Feasibility Study / Desk-
Top Study /
• GIS/WebGIS
• Prelim. CBRA / BAS
• Landfall assessments
• Licences, Permits & Consents
(survey & cables)
• EA/EIA
• Stakeholder management
• Survey scoping / procurement /
Management / QA / Client
Representation (CR)
• Pre-FEED studies including
interfaces with other package
• Option screening
• Techno-economic review
• FEED / Detailed Design / 3rd
party review
• Cable route engineering
• Cable Burial Risk Assessment
• Crossing Agreements
• Licences, Permits & discharge of
consents conditions
• Stakeholder Management
• Installation engineering
• On Bottom Stability
• Free Span Analysis
• Procurement Support
• Construction & O&M strategy
• WebGIS Services
• Contract Management
• Package Management
• Technical Advisory
• Quality Monitoring / Client Rep /
3rd party review
• Consent Compliance (ECoW &
training)
• Stakeholder Management
• Data Management System /
WebGIS / XAMIN
• As-Built Cable Integrity Risk
Assessment
• Expert witness
• Insurance services
• Asset Integrity Management
(XAMIN)
• Licences, Permits & consent
compliance
• Survey procurement &
management / Client Rep
• Emergency Response Support
• O&M Contract Management
• Engineering studies
• Remedial works support
• As-Found Cable Integrity Risk
Assessment
• Expert witness
• Due diligence
• Commercial services
DEVELOPMENT DESIGN / PROCUREMENT CONSTRUCTION OPEATIONS
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Track Record
> Extensive track record in the UK as well as
North America
> The vast majority have benefited from multiple
Xodus disciplines across environment,
engineering and advisory
> Most clients are repeat customers
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Development / Planning
Our team supports development planning from early road
mapping and ad-hoc advice through to full package management
> Survey and data collection plans balance capital investment versus
data required to inform Project decisions:
– Resource assessment e.g. wind / metocean data
– Project design e.g. geophysical and geotechnical data
– Consent application e.g. marine wildlife, seabed habitats,
vessel use
> Project scheduling, maximising schedule opportunities and building
in delay mitigation, including sensitivity analysis
> Critical path items (e.g. for contracts or gaining consent) planned in
proactively
> Investment milestones, cash flow and budget planning
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Environmental Planning & Approvals
Our comprehensive skillset and toolset means we work
seamlessly between our in-house team of over 60 environmental
practitioners and our experienced local partners
> Regulatory advice & compliance planning
> GIS, constraints mapping & site selection
> Concept selection & technology reviews
> Site investigation specification, management and interpretation
> Environmental screening & scoping
> Environmental Impact Assessment & statement coordination or review
> Permit, Licence, Application, Notification & Consent preparation & management
> Stakeholder engagement
> Life-Cycle Assessment, carbon footprint & greenhouse gas management plans
> Decommissioning Plans & Programmes
> Environment, health & safety management plans, including contractor bridging
documentation
> Management of post consent variations and Licences
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Engineering
Our team of >100 subsea engineers is expert at the pro-active
design, installation, maintenance and ultimate decommissioning
of subsea infrastructure
> Project management, Owner’s/Lenders Engineer and Client Rep services
> Route Engineering - in-place cable design including routing, on-bottom stability, free-
span assessment, protection & on-bottom roughness, & landfall analysis
> Coastal process engineering
> Cable Burial/Integrity Risk Assessment
> Geophysical & geotechnical survey specification, package management & interpretation
> Crossing design and crossing agreements
> Procurement/tendering support
> Installation methodology, analysis & management
> Operations & maintenance philosophy, planning and support (including risk-based
prioritisation of maintenance activities)
> Riser and mooring system design and dynamic analysis
> Dynamic fatigue analysis (1st Order and VIV) and service life assessment
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Xodus Asset Management & Integrity Network (XAMIN)
Combining data management, condition monitoring, anomaly
management, risk assessment, inspection scheduling, inspection
assessment & corrosion management functionality
> Key Performance Indicator Dashboard – enabling senior
management to see an instantaneous translation of data to its
predicted impact on LCOE
> Diagnostic Tools – enabling engineers and technicians to identify,
prioritise and mitigate issues
> Regulatory Management – ensuring proactive conformance with
consent conditions
> Live Geographical Information System (GIS) – bringing locational
accuracy to your data alongside live monitoring of vessel activities
offshore
> Post-Consent Condition Management – helping to track and
facilitate proactive management of all consent conditions.
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Case Studies
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Cable Burial Risk Assessment Guidance
Xodus Group were contracted to complete a wide ranging study
into the site investigations, trenching assessments and burial risk
assessments that are completed in the design stage of wind farm
projects
> New method quantified risk considering
– Shipping traffic patterns
– Vessel size
– Anchor impact probability
– Fishing gear
> Cost-benefit of burial is considered
> This method has become the new baseline approach
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Caithness – Moray HVDC
Xodus Group provided Project Management of the subsea cable
installation contract, and also supported with Xodus staff on
various individual work scopes
> 1.2 GW, 320 kV HVDC cable system that traverses 113 km
across the Moray Firth in Scotland
> Project Management, Client Reps & Reporting
> Risk Assessment / HAZID / HAZOP / ERP
> Review Data: cable specs, routing, metocean, geophysical
and geotechnical data, environmental requirements,
emergency procedures, construction procedures (RAMS)
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IceLink
Xodus Group performed a study of preferred corridor options for
a number of landfall options in Iceland and the UK
> Constraints considered:
– Economics
– Security
– Technical feasibility
– Environmental impact
– Regulatory conditions/processes
> Constraints mapped using GIS
> Options developed and compared using a quantitative method
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Transmission & Distribution System Owners
Xodus Group has supported a number of TSOs & DNOs with
discrete work scopes
> Example Projects
– Greater Gabbard
– Humber Gateway
– Thanet
– Gwynt Y Mor
– Future High-Voltage AC & DC subsea cable links
> Example Workscopes
– Cable Route Studies & Cable Burial/Integrity Risk Assessment
– Environmental Assessment / Marine Licence
– Procurement and management of IMR services
– Expert Witness
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Trans Bay Cable
Xodus Group has provided technical support and for a number of
work scopes during the operation of the Trans Bay Cable
> Providing expert input to specific situations
– Forensic assessment of a cable strike and subsequent
repair event
> Cable Integrity Risk Assessment
> Advice in relation to procurement of strategic assets for
maintenance of the cable system
> Review of O&M procedures, supply chain planning and making
recommendations to improve emergency response planning
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ScotWind
Xodus Group is providing support to developers for Crown Estate
Scotland leasing applications
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