Abstract
Within the frame of upgrading and modernisation of the Water Supply System (WSS), our work is focussing on the safety systems/devices implemented or that should be implemented in the WSS. The implementation of safety systems is supposed to reduce hazard occurrence and hazardous consequences in case of a WSS unsafe disruption. To assess this reduction, we preconise the use of the safety integrity levels standards. The implementation of the safety systems/devices is undertaken on the ground of the multi-barriers safeguard approach. The “Water Contamination Hazard” is considered in the paper. A case study is presented, assessed and conclusions are drawn. The methodology presented in the paper and the results of the case study assessment will contribute to the decision-making regarding the upgrading of the safety and the performance of the WSS.
Highlights
A complete analysis and assessment of the safety of water-supply systems is a complex issue
Within the frame of upgrading and modernisation of the Water Supply System (WSS), our work is focussing on the safety systems/devices implemented or that should be implemented in the WSS
This paper focuses on the safety systems implemented in the water supply system
Summary
A complete analysis and assessment of the safety of water-supply systems is a complex issue. The analysis principally targets the protection of the consumers and the environment This holistic and multi-faceted approach provides the necessary support to the decisionmaking process regarding Poland’s WSS modernisation and the implementation of the international standards, the European Union (EU) guidelines and the World Health Organization’s water safety plans [1,2,3]. Within this national holistic program, the paper is reporting on the topic “the security systems’ and barriers’ functional safety”. The object of the SIL standard methodology is to qualify the effectiveness of the safety systems or devices implemented in a big, complex systems such as the WSS
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