DASAO: Software tool for the management of Safeguards, Waste and Decommissioning

Luc Noynaert, Isi Verwaest, Henri Libon, Jean-Marie Cuchet

Research outputpeer-review

1 Scopus citations


Decommissioning of nuclear facilities is a complex process involving operations such as detailed surveys, decontamination and dismantling of equipment's, demolition of buildings and management of resulting waste and nuclear materials if any. This process takes place in a well-developed legal framework and is controlled and followed-up by stakeholders like the Safety Authority, the Radwaste management Agency and the Safeguards Organism. In the framework of its nuclear waste and decommissioning program and more specifically the decommissioning of the BR3 reactor, SCK•CEN has developed different software tools to secure the waste and material traceability, to support the sound management of the decommissioning project and to facilitate the control and the follow-up by the stakeholders. In the case of Belgium, it concerns the Federal Agency for Nuclear Control, the National Agency for radioactive waste management and fissile material and EURATOM and IAEA. In 2005, BELGONUCLEAIRE decided to shutdown her Dessel MOX fuel fabrication plant and the production stopped in 2006. According to the final decommissioning plan ("PDF") approved by NIRAS, the decommissioning works should start in 2008 at the earliest. In 2006, the management of BELGONUCLEAIRE identified the need for an integrated database and decided to entrust SCK•CEN with its development, because SCK•CEN relies on previous experience in comparable applications namely already approved by authorities such as NIRAS, FANC and EURATOM. The main objectives of this integrated software tool are: • simplified and updated safeguards • waste & material traceability • computerized documentation • support to project management • periodic & final reporting to waste and safety authorities. The software called DASAO (Database for Safeguards, Waste and Decommissioning) was successfully commissioned in 2008 and extensively used from 2009 to the satisfaction of BELGONUCLEAIRE and the stakeholders. SCK•CEN is now implementing a simplified release of the software for the management of the decommissioning of the THETIS reactor. Its decommissioning will start in March 2013 and will be completed by the end of 2014. NOMENCLATURE • A1X, A2X, A3X radioactive waste categories defined by NIRAS/ONDRAF respectively βγ-waste, α suspected waste, α-bearing waste • FANC/AFCN: Federal Agency for Nuclear Control • EURATOM: European Control Agency • INP: Inventory of Nuclear Liability • NIRAS/ONDRAF: National Organism of Radioactive waste and Fissile Material • ZB-batch: This a batch containing decommissioning radioactive waste, packed in 200 l drum (type ALDRUM) and belonging to the A3X waste category. • WDM: "Waste Drum Monitoring" : system used for the radiological characterization of 200 liter drums containing A3X waste

Original languageEnglish
Title of host publicationASME 2013 15th International Conference on Environmental Remediation and Radioactive Waste Management, ICEM 2013
PublisherASME - The American Society of Mechanical Engineers
ISBN (Print)9780791856024
StatePublished - 2013
EventASME 2013 15th International Conference on Environmental Remediation and Radioactive Waste Management, ICEM 2013 - ASME, Brussels
Duration: 8 Sep 201312 Sep 2013

Publication series

NameProceedings of the International Conference on Radioactive Waste Management and Environmental Remediation, ICEM


ConferenceASME 2013 15th International Conference on Environmental Remediation and Radioactive Waste Management, ICEM 2013
Abbreviated titleICEM 2013

ASJC Scopus subject areas

  • Safety, Risk, Reliability and Quality
  • Energy Engineering and Power Technology
  • Waste Management and Disposal

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