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SAFESPUR and Brownfield Risk Management Forum

SAFESPUR and Brownfield Risk Management Forum. Radioactive vs Non-radioactive Contamination – Tools and Techniques Showcase. Site Characterisation – Practical Experiences and Application on Nuclear Licensed Sites. Pete Longley. Introduction.

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SAFESPUR and Brownfield Risk Management Forum

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  1. SAFESPUR and Brownfield Risk Management Forum Radioactive vs Non-radioactive Contamination – Tools and Techniques Showcase Site Characterisation – Practical Experiences and Application on Nuclear Licensed Sites Pete Longley

  2. Introduction • Radioactive vs non-radioactive - what are the differences? • What are the implications? • Impacts on investigation design and execution.

  3. Comparison Similarities: • Like any other complex industrial site • Stringent HS&E requirements • Interactions with other site operations • Non-radioactive contaminants • Differences: • Potential for radioactive contamination

  4. Implications Management Issues: • Preparation of project documentation (Health and Safety Plan, Method Statements and Risk Assessments). • Allowance for HP monitoring • Time for entry and exit in to controlled areas • Plan for C2 working • Consider release of samples

  5. Implications Contamination control: • Selection of clean drilling techniques • Difficult to achieve with traditional methods (Shell and Auger, trial pitting etc) • Consider open flush drilling system • Employ conscientious drillers

  6. Implications Waste minimisation: • Identify potential waste streams • Establish site waste disposal capability • Use narrowest diameter drilling equipment possible to achieve a good borehole • Use dry methods where ground conditions allow to reduce wet waste (dynamic sampling) • Consider disposal of arisings and samples

  7. Impacts on Design and Execution • Selection of investigation techniques • Impacts on programme • Disposal of arisings • Health and safety considerations

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