Strategic Environmental Assessment for UK LLW Management

2009 ◽  
Author(s):  
Andrew Craze ◽  
Pete Davis ◽  
Matthew Clark
Keyword(s):  
Environmental Assessment ◽  
Waste Treatment ◽  
Treatment Options ◽  
Environmental Safety ◽  
Nuclear Industry ◽  
Strategic Environmental Assessment ◽  
Low Level ◽  
Metal Recycling ◽  
The Uk ◽  
Implementation Of The Strategy

NDA is delivering a Strategic Environmental Assessment (SEA) to underpin the UK Nuclear Industry Low Level Waste Strategy. The purpose of this assessment is embed sustainability issues into our decision making and to fulfil our requirements under the European Union’s Strategic Environmental Assessment (SEA) Directive (2004/42/EU) and transposing UK Regulations, and to underpin the development of the strategy. The outputs of the SEA have provided input into particular aspects of the strategy, leading to a more robust and better informed result. Development of options to be assessed under the SEA has looked at a number of factors, including: • what the strategy is aiming to achieve; • expectation from stakeholders as to what should be addressed; • consideration of tactical approaches to implementation of the strategy in addition to high level strategic issues; • links to other projects and programmes (for example the Environmental Safety Case for the Low Level Waste Repository. The SEA aims to provide a robust assessment of the environmental and sustainability impacts of alternative strategies for providing continued capability and capacity for the management and disposal of LLW in the UK. The assessment also considers other, more tactical, issues around implementation of the strategy, for example: issues around the location of LLW management facilities; the environmental impacts of alternative waste treatment options (metal recycling etc); considerations of alternative approaches to the classification of radioactive waste and opportunities that would result. Critical to the development of the SEA has been the involvement of statutory and non-statutory stakeholders, who have informed both the output and the approach taken.

“Strategy is a Commodity, Implementation is an Art”: 2 Years of Implementation of the UK National LLW Strategy

2013 ◽  
Author(s):  
Helen Cassidy ◽  
David Rossiter
Keyword(s):  
Management Practices ◽  
Waste Treatment ◽  
Behavioural Change ◽  
Strategy Implementation ◽  
Nuclear Industry ◽  
National Strategy ◽  
Diverse Range ◽  
Low Level ◽  
The Uk ◽  
Future Demand

The Low Level Waste Repository (LLWR) is the primary facility for disposal of Low Level Waste (LLW) in the United Kingdom (UK), serving the UK nuclear industry and a diverse range of other sectors. Management of LLW in the UK historically was dominated by disposal to the LLWR. The value of the LLWR as a national asset was recognised by the 2007 UK Governmental Policy on management of solid LLW. At this time, analysis of the projected future demand for disposal at LLWR against facility capacity was undertaken identifying a credible risk that the capacity of LLWR would be insufficient to meet future demand if existing waste management practices were perpetuated. To mitigate this risk a National Strategy for the management of LLW in the UK was developed by the Nuclear Decommissioning Authority (NDA), partnered with LLW Repository Ltd. (the organisation established in 2008 to manage the LLWR on behalf of NDA). This strategy was published in 2010 and identified three mechanisms for protection of the capacity of LLWR – application of the Waste Hierarchy by waste producers; optimised use of existing assets for LLW management; and opening of new waste treatment and disposal routes to enable diversion of waste away from the LLWR. Since publication of the National Strategy, there have been significant efforts made by LLWR (on behalf of NDA) to drive strategy implementation and to optimise LLW management practices across the UK. This paper seeks to illustrate the challenges of strategy implementation in the context of the 2010 LLW National Strategy to provide a demonstration that “strategy is a commodity, execution is an art”. The paper describes: the key themes of the National Strategy; the key barriers to strategy implementation; the measures implemented by LLWR since publication of the National Strategy to support transformation of LLW management behaviours, with emphasis on how the initiative supports achieving the behavioural change; and providing a review of the past two years and a look forward to the planned evolution of National Strategy implementation over the next five years.

An Assessment of the Radiological Impact of Human Intrusion at the UK Low Level Waste Repository (LLWR)

2011 ◽  
Author(s):  
Tim. Hicks ◽  
Tamara Baldwin ◽  
Richard Cummings ◽  
Trevor Sumerling
Keyword(s):  
Environmental Safety ◽  
Assessment Model ◽  
Disposal Site ◽  
Barrier Materials ◽  
Low Level ◽  
Geotechnical Investigations ◽  
Safety Case ◽  
Waste Repository ◽  
The Uk

The UK Low Level Waste Repository Ltd submitted an Environmental Safety Case for the disposal of low-level waste (LLW) to the Environment Agency on the 1st of May 2011. The Environmental Safety Case (ESC) presents a complete case for the environmental safety of the Low Level Waste Repository (LLWR) both during operations and in the long term (Cummings et al, in these proceedings). This includes an assessment of the long-term radiological safety of the facility, including an assessment of the potential consequences of human intrusion at the site. The human intrusion assessment is based on a cautiously realistic approach in defining intrusion cases and parameter values. A range of possible human intrusion events was considered based on present-day technologies and credible future uses of the site. This process resulted in the identification of geotechnical investigations, a housing development and a smallholding as requiring quantitative assessment. A particular feature of the site is that, because of its proximity to the coast and in view of expected global sea-level rise, it is vulnerable to coastal erosion. During such erosion, wastes and engineered barrier materials will be exposed, and could become targets for investigation or recovery. Therefore, human intrusion events have been included that are associated with such activities. A radiological assessment model has been developed to analyse the impacts of potential human intrusion at the site. A key feature of the model is the representation of the spatial layout of the disposal site, including the engineered cap design and the large-scale spatial heterogeneity of radionuclide concentrations within the repository. The model has been used to calculate the radiation dose to intruders and to others following intrusion at different times and at different locations across the site, for the each of the selected intrusion events, considering all relevant exposure modes. Potential doses due to radon and its daughters in buildings constructed on excavated spoil from the repository are a particular concern. Options for managing the emplacement of the radium-bearing waste packages with regard to human intrusion have been assessed. These calculations show that a managed waste emplacement strategy can ensure that calculated doses are consistent with regulatory guidance levels.

Delivering Step Change Improvements to UK Low Level Waste Strategy

2009 ◽  
Author(s):  
Jason Dean ◽  
David Rossiter
Keyword(s):  
Collaborative Work ◽  
Local Treatment ◽  
Step Change ◽  
Nuclear Industry ◽  
Waste Hierarchy ◽  
Low Level ◽  
Nuclear Decommissioning ◽  
Treatment And Disposal ◽  
The Uk ◽  
Near Future

The UK Nuclear Industry continues to produce significant quantities of Low Level Waste (LLW) as decommissioning projects generating waste become more prevalent. Current infrastructure and projected increasing waste volumes will deliver a volumetric shortfall of storage capacity in the near future. Recently established as a stand alone site licence company, the Low Level Waste Repository (LLWR) near Drigg, in West Cumbria (formerly operated and owned by British Nuclear Group) is tasked with managing the safe treatment and disposal of LLW in the UK, on behalf of the Nuclear Decommissioning Authority (NDA). The problem is complex involving many stakeholders with potentially different priorities. Previously, most nuclear waste generators operated independently with limited integration with other similar organisations. However, the current financial, programme and technical pressures require collaborative working to facilitate a step-change improvement in LLW management. Achieving this quickly is as much of a challenge as delivering robust cost effective technical solutions. NDA is working in partnership with LLWR to develop a LLW Strategy for the Nuclear Industry and has in parallel commissioned a number of studies by the National Nuclear Laboratory (NNL), looking at opportunities to share best practice. A National Strategy Group has been established to develop a working partnership between the Nuclear Decommissioning Authority, LLW Repository Ltd, Regulators, Stakeholders and LLW Consignors, promoting innovation, value for money, and robust implementation of the waste hierarchy (avoid-reduce-re-use-recycle). Additionally the LLWR supported by the NNL have undertaken a comprehensive strategic review of the UK’s LLW management activities. Initial collaborative work has provided for the first time a detailed picture of the existing strategic baseline and identified significant national benefits from improving the way LLW is forecasted, characterised, segregated, and treated in line with the waste hierarchy. Implementation of volume reduction technologies, such as incineration and metal treatment, is critical to mitigate the LLWR capacity gap and reduce NDA’s liabilities. The cumulative effect of these solutions has the potential to reduce lifetime costs by several £billion and extend the life of the existing LLWR site to 2070 and possibly beyond. This work has informed the NDA’s UK Nuclear Industry LLW Strategy, published for consultation in June 2009 and the Draft UK LLW Management Plan which sets out how the strategy will be implemented. Technical and infrastructure solutions have been found to exist via the supply chain supporting deliver of the necessary step changes in the near future. Work continues to reduce the LLW inventory forecast uncertainties and evaluate strategic implementation options in more detail, e.g. benefits of national vs. local treatment and disposal solutions, plus on gaining the corresponding stakeholder acceptance and operational authorisations.

A strategic environmental assessment method for agricultural policy in the UK

1999 ◽  
Vol 16 (4) ◽  
pp. 223-234 ◽  
Author(s):  
J. Tzilivakis ◽  
C. Broom ◽  
K.A. Lewis ◽  
P. Tucker ◽  
C. Drummond ◽  
...  
Keyword(s):  
Environmental Assessment ◽  
Agricultural Policy ◽  
Assessment Method ◽  
Strategic Environmental Assessment ◽  
The Uk

Update on the Review of the LLWR 2011 Environmental Safety Case

2013 ◽  
Author(s):  
Richard Cummings ◽  
Amy Huntington ◽  
John Shevelan ◽  
Andrew J. Baker ◽  
Trevor Sumerling ◽  
...  
Keyword(s):  
Environmental Safety ◽  
Acceptance Criteria ◽  
Low Level ◽  
Additional Work ◽  
Local Stakeholders ◽  
Safety Case ◽  
Waste Repository ◽  
Environment Agency ◽  
The Uk

The UK Low Level Waste Repository has submitted a fully revised Environmental Safety Case (ESC) to the Environment Agency for the continued operation of the site. The Environment Agency is reviewing the submission. As part of the review of the ESC, we have been engaging with the Environment Agency to answer questions and provide further clarification where required. Once the review is complete, LLWR will apply for a revised permit for the continued operation of the site. We are required by our current Permit to operate the site in accordance with the assumptions of the ESC. We have developed a process for the implementation and maintenance of the ESC as a ‘live’ safety case under formal change control, and the development of waste acceptance arrangements identified as necessary to ensure that the repository is operated in a safe and optimised way, consistent with the assumptions and results of the ESC. Engagement with waste consignors has been essential in the development of revised waste acceptance criteria. Additional work has also been carried out in the development of an Article 37 submission, presenting the ESC to local stakeholders and developing of waste emplacement strategies.

Characterisation of the Geology of the UK Low Level Waste Repository

2011 ◽  
Author(s):  
John Shevelan ◽  
Nicholas T. Smith
Keyword(s):  
Site Investigation ◽  
Environmental Safety ◽  
Geological Model ◽  
Hydrogeological Model ◽  
Geological Interpretation ◽  
Low Level ◽  
Geological Models ◽  
Waste Repository ◽  
Site Characterisation ◽  
The Uk

The UK Low Level Waste Repository Ltd (LLWR) submitted an Environmental Safety Case (ESC) for the disposal of low-level waste (LLW) to the UK Environment Agency on the 1st of May 2011. As part of the ESC, the LLWR have to demonstrate that a programme of site investigation and site characterisation has been carried out to provide the requisite information for the ESC and support facility design and construction. This paper explains the development of the site investigation programme and how the understanding of the geology of the site has developed. The geological environment in the region of the LLWR consists of Quaternary age deposits overlying older bedrock. The site has been subjected to a series of site investigation programmes from 1939 to the present day. The development of 3-D geological models was necessary to integrate data from boreholes, trial pits, geophysical investigations and beach exposures and data gained from site operations. The understanding of the geology has developed with each new set of data. Early simple interpretations from a few boreholes have been superseded by a series of more complex interpretations each incorporating the increasingly detailed observations. Initial attempts to develop a lithostratigraphic representation of the geology proved difficult. It was also difficult provide a clear link between the geology and the hydrogeology using a lithostratigraphic approach as required for the development of hydrogeological models. A lithofacies approach to characterising the geology was adopted in 2007, which has allowed the grouping of geological units with similar hydraulic properties and the development of a regional 3-D geological model. The 3-D geological model has been used as the framework for the development of a hydrogeological model for the site. The development of the 3-D geological models has been iterative. It was observed that there are differences between models developed using solely mathematical interpolation and those controlled by geological interpretation. The different representations of the geological information have been used to consider the effects of uncertainty in the geological interpretation in the hydrogeological modelling.

scholarly journals ENVIRONMENTAL IMPACT ASSESSMENT AND STRATEGIC ENVIRONMENTAL ASSESSMENT RESEARCH IN THE UK

2015 ◽  
Vol 17 (01) ◽  
pp. 1550016 ◽  
Author(s):  
THOMAS B. FISCHER ◽  
URMILA JHA-THAKUR ◽  
SAMUEL HAYES
Keyword(s):  
Environmental Impact ◽  
Impact Assessment ◽  
Environmental Impact Assessment ◽  
Environmental Assessment ◽  
Academic Research ◽  
Strategic Environmental Assessment ◽  
Research And Teaching ◽  
Master Level ◽  
The Uk ◽  
Assessment Research

In this paper we briefly review the state of academic research in the UK in the field of Environmental Impact Assessment (EIA) and Strategic Environmental Assessment (SEA). Through consideration of the number of articles related to EIA and SEA published in academic journals and the contribution of post-graduate students' (PhD and master level) dissertation theses we aim to understand where activity has occurred in the field over recent decades. Simple literature and database searches reveal that the UK is an active environment for researchers and students in the field with numerous universities engaged in research and teaching (although not always both activities). However, we have also collected evidence to suggest that research funding is lacking and that there is variation over time in the number and scale of research projects being funded in the UK.

Strategic Environmental Assessment and Environmental Impact Assessment as Part of a Stepwise Decision Making Process

2003 ◽  
Author(s):  
Elizabeth Atherton ◽  
Ann McCall
Keyword(s):  
Decision Making ◽  
Environmental Impact ◽  
Radioactive Waste ◽  
Waste Management ◽  
Impact Assessment ◽  
Environmental Assessment ◽  
Strategic Environmental Assessment ◽  
Radioactive Waste Management ◽  
The Uk

Nirex is the organisation responsible for long-term radioactive waste management in the UK. Our Mission is to provide the UK with safe, environmentally sound and publicly acceptable options for the long-term management of radioactive materials. One of the lessons that Nirex has learned from previous experience in the UK and internationally is the importance of developing due process for finding a long-term solution for radioactive waste management. We have been investigating best practice in this area and incorporating the findings into the work that we undertake. Projects which will have an impact on the environment are subject to EC Directives on Strategic Environmental Assessment (SEA) and Environmental Impact Assessment (EIA). The EIA Directive has already been implemented into law within Member States while the SEA Directive has to be implemented by 2004. Nirex believes that radioactive waste management programmes will have to adhere to the principles outlined in the Directives. Nirex has been investigating how the frameworks set out in the Directives could be used to: • Develop a stepwise approach to decision making in the UK; • Engage stakeholders during the stepwise decision making; • Enable stakeholders’ issues and concerns to be addressed. This paper will outline how Nirex has been developing its work in these areas including reference to the Nirex Involvement Programme, which uses different consultation and dialogue techniques to enable people to engage with Nirex’s work programme.

UK Strategy for Nuclear Industry LLW

2009 ◽  
Author(s):  
Matthew Clark ◽  
Joanne Fisher
Keyword(s):  
Waste Management ◽  
Nuclear Industry ◽  
Strategic Partnership ◽  
Management Service ◽  
Low Level ◽  
Nuclear Decommissioning ◽  
Key Factor ◽  
Management Hierarchy ◽  
Strategic Goals ◽  
The Uk

In March 2007 the UK Government and devolved administrations (for Scotland, Wales and Northern Ireland, from here on referred to as ‘Government’) published their policy for the management of solid low level waste (‘the Policy’). The Policy sets out a number of core principles for the management of low level waste (LLW) and charges the Nuclear Decommissioning Authority with developing a UK-wide strategy in the case of LLW from nuclear sites. The UK Nuclear Industry LLW Strategy has been developed within the framework of the principles set out in the policy. A key factor in the development of this strategy has been the strategic partnership the NDA shares with the Low Level Waste Repository near Drigg (LLWR), who now have a role in developing strategy as well as delivering an optimised waste management service at the LLWR. The strategy aims to support continued hazard reduction and decommissioning by ensuring uninterrupted capability and capacity for the management and disposal of LLW in the UK. The continued availability of a disposal route for LLW is considered vital by both the nuclear industry and non-nuclear industry low level waste producers. Given that the UK will generate significantly more low level waste (∼ 3.1 million m3) than there is capacity at the LLWR (∼0.75 million m3), developing alternative effective ways to manage LLW is critical. The waste management hierarchy is central to the strategy, which includes strategic goals at all levels of the hierarchy to improve its application across the industry.

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