Managing the UK’s nuclear decommissioning legacy

1 Managing the UK s nuclear decommissioning legacySimon Kirk Head of nuclear decommissioning and designBennett House Pleasley Road Whiston Rotherham S60 4HQ United KingdomTel: +44 (0) 1709 388206 Email: Magnox Ltd, RSRL Ltd and Sellafield LtdAtkins: world-class engineeringAtkins is one of the world s leading design, engineering and project management consultancies. We have the breadth and depth of expertise to respond to the most technically challenging and time critical infrastructure is: Europe s and the UK s largest design and technical consultancy with over 17,000 employees worldwide, and over 1,500 working on nuclear projects A FTSE 250 company A UK company with over 10,000 staff in 120 offices our commitment to nuclear decommissioning is paramount Involved in all stages of the nuclear energy cycle.

2 New build, generation and decommissioning At the leading edge of designing high hazard facilities in the UK nuclear sector Highly skilled with access to additional international nuclear and conventional engineering expertise through our Global Design Centres (GDCs) based in use the breadth of skills and capability from across Atkins to ensure technical delivery with the right skills, right people and right attitude. We deliver technical innovation and client confidence ensuring the needs of the project are met in a cost effective and timely manner We capitalise on our collaborative relationship with Areva (through our Areva-Atkins Partnership UK Joint Venture)

3 , transferring proven international nuclear technical solutions to the UK decommissioning programme We use the wider Atkins capability, transferring non- nuclear solutions and demonstrating their use within the nuclear sector, to the satisfaction of our clients and the regulatory project risk through optimised delivery:Project ownershipAtkins is a multidisciplinary design house consultancy. By working collaboratively, we ensure that project integration and interface management are cornerstones of the way in which we deliver our clients projects.

4 We work together with our clients and the wider supply chain throughout the lifecycle, building trust and respect through our ability to deliver tangible lifecycle cost and quality benefits We strive to uphold and improve project governance, both internal to our organisation and those that we interact with, including our clients, regulators and Right people Right skills Right attitude Optimised DeliveryOur nuclear pedigreeAtkins is at the forefront of the UK s nuclear programme, having provided business-critical solutions to the nuclear sector for more than five decades.

5 The Group is very well positioned to add value to today s challenges of safely decommissioning nuclear legacy facilities cost effectively and under stringent regulatory rigour. We deliver consultancy and design services to Magnox, Sellafield, DSRL and RSRL both as a strategic partner and through turn-key projects. We provide high calibre nuclear SQEP staff who have conventional industry experience to ensure we can confidently deliver highly skilled technical and programme deliver in the most challenging and highly visible projects within the UK nuclear Atkins?

6 decommissioning of the UK s nuclear legacy is a challenging task, one that requires technical skill, a questioning approach and a first class safety why Atkins? The culture of our staff is our key differentiator We look to deploy proven technologies that mitigate risk and provide confidence in delivery We exploit non- nuclear technologies innovatively within the industry with the support of our clients and the regulator, providing cost reduction and certainty We approach problems differently, enabling the skills, lessons learned and experience outside of the industry to be transferred and applied to the nuclear sector Over 95% of Atkins are permanent employeesCostOur cost reduction is based around two key areas: Using the wider non- nuclear businesses within Atkins Engaging the international engineering community including Atkins highly technical Global Design Centres based in India.

7 The GDCs leverage economies of scale and enhanced delivery through collaborative working practices. This seamless integration allows for accelerated work scheduling and a reduction in project programme durations, thus impacting on overall project cost. - Over 1,100 skilled technical staff - Ability to deliver full project design and support procurement, construction and operational phases - GDC rates are typically 50% less than for comparable UK based develop flexible and adaptive solutions that can be repeated, from one site to of this approach include.

8 It avoids bespoke one-off designs It reduces support efforts, for example through a safety case It ensures learning from experience (LFE) is built into the design and continuously reviewed It uses all of Atkins and Faithful+Gould s in-house capability Provision of Programme Management Office (PMO) capability. $ Project ownershipProgrammeWe value innovation, and every year we reward our most innovative people and projects from across both our technical and programme sectors through our nuclear Awards scheme. 2013 Dungeness ADounreaySizewell ABradwellAWECONSORTH arwellOldburyWylfaBerkeleyCapenhurstChap elcrossSellafieldSpringfieldsCalder HallHunterston AHinkley PointHeysham 1 TrawsfynyddHMNB DevonportHMNB ClydeRosythKeyDecommissioning siteAtkins officeWinfrith3.

9 Final De-plant & Asset Remediation: Following completion of hazard reduction activities, the next priority is to reduce the nuclear footprint and infrastructure associated with the site. Superfluous buildings no longer needed are removed, initially by deplanting and then through demolition. Following infrastructure removal, land remediation requirements are assessed and monitored using our Water & Environment Group providing confidence to the SLC, the regulators and the general public. The extent of remediation is evaluated accounting for natural decay and intended use of the land following de-designation and de-licensing decommissioning business is focused on delivery within three key areas.

10 Regulatory SupportTechnical ConsultancyArchitect EngineerDesign HouseMini-Stores Physical Passivation of Intermediate Level Waste (ILW) Technical Consultancy Regulatory Support This is an innovative approach with no precedent for the array of waste types considered Development of the conditioning process for heterogeneous ILWFuel Element Debris (FED) Dissolution Chemical treatment of ILW FED Technical Consultancy Regulatory Support Designed process based on chemistry and processing requirements Supported regulatory programme Designed retrieval and packaging equipment using infrastructure from existing facilities2.