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Our Clients are prepared for when emergency arises
An example of emergency preparedness & resilience architecture
We make sure our Clients are prepared to deal with emergencies, should they arise. We developed the RESEP process based on our D2O process, that identifies and assesses the effectiveness of the engineered safety systems, resources and command & control arrangements required to mitigate the consequences arising from a severe accident.

The process was developed to assess the accident response capability of high hazard and high consequence plants, and formed part of the UK 'Stress Test' response to the European Nuclear Regulators following the events at Fukushima.
The outcome of the process assessment will either confirm that adequate arrangements are in place and/or suggests improvements to enhance the ability of individual facilities and sites as a whole, to withstand low probability, high consequence accident scenarios.
The process was developed to be a structured, deterministic, and consistent approach to applying the stress tests. It is a staged assessment, and includes the following:

  • Progression of events from individual facilities and processes to the whole site, including domino effects.

  • Searching for 'cliff edge' effects and development of timelines for critical mitigating response actions.

  • Assessment of infrastructure requirements both on and off-site.

An essential part of the process is to identify the Critical Safety Function (CSF) for each facility, to promote a focus on sustaining this CSF. Existing emergency arrangements are assessed to identify the logistics required to implement and then sustain each of the backup systems.
What we delivered to our Client:

  • The process is applicable to critical infrastructure and high hazard highly regulated industries.

  • Development of emergency preparedness from design through commissioning to operations.

  • Managing implementation of the process including Critical Safety Functions.

  • Production of facility response timelines.

  • Identification of the optimum timescale for deployment of backup systems, including potential consequences of deploying the backup options.

  • Production of Accident Management Strategy Diagrams for use in Control Centres to support event response decision making.

  • A report prepared for each high consequence plant/process detailing the effectiveness of each of the backup systems, with recommendations for improvements for any shortfall or gap found.

  • A report prepared on the overall effectiveness of emergency management processes.

  • A report on the reliability of the sites' infrastructure.

The Results/Client benefits:

  • Robust, auditable, and documented review process supported.

  • Fit-for-purpose emergency arrangements tool to aid informed decision making during a severe accident.

  • An emergency plan with both operational and safety case requirements fully integrated.

  • Provision of Emergency Preparedness capability.

  • The ability to proactively manage the impact of a severe accident.

DBD is an independent global enterprise providing innovative solutions to complex technical, engineering and strategic challenges in highly regulated industries.
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