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Early warning indicators for challenges in underground coal storage.

Juha Sipilä1, Pertti Auerkari, Stefan Holmström

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Risk Analysis : an Official Publication of the Society for Risk Analysis
|September 9, 2014
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Developing early warning indicators for underground coal storage is crucial for preventing unexpected incidents. Leveraging experience from above-ground storage aids in identifying risks and ensuring safety in novel underground facilities.

Keywords:
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Area of Science:

  • Engineering
  • Safety Science
  • Geotechnical Engineering

Background:

  • Large-scale underground coal storage presents unique safety challenges compared to traditional above-ground stockpiles.
  • Established procedures exist for above-ground storage, offering easier access for prevention and mitigation.
  • Underground coal storage represents a novel technology with limited global precedence.

Purpose of the Study:

  • To discuss early warning or leading indicators for unexpected incidences in large-scale underground coal storage.
  • To compare underground storage challenges with established above-ground stockpile procedures.
  • To explore the application of experience and tacit knowledge from above-ground storage to underground facilities.

Main Methods:

  • Comparative analysis of above-ground and underground coal storage systems.
  • Identification and selection of leading indicators based on potential hazards.
  • Review of existing safety systems and tacit knowledge transfer.

Main Results:

  • Experience from above-ground storage is valuable for preparing and preventing incidents in underground facilities.
  • Leading indicators can be developed by considering specific features of underground storage.
  • Observed incidents include autoignition, freezing of coal, and occupational hazards.

Conclusions:

  • Tacit knowledge and experience from above-ground coal storage are transferable and beneficial for underground storage safety.
  • Developing specific leading indicators is essential for managing risks in unique underground coal storage facilities.
  • Proactive identification of risks through early warning indicators enhances the safety and performance of new underground storage technologies.