Environmental Health and Safety

Confined Space Awareness Supplement

CS Regulations
CS Examples
Non-Permitted CS
Non-Permitted Ex.
Permit Req'd CS
Permit Req'd Ex.
Permit Req'd Signs

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Examples of Confined Spaces at UW

The University has hundreds of confined spaces located throughout campus. Here are some examples:

  • Tanks: fuel, chemical, drainage, collection
  • Sewers or storm drains
  • Vaults: electrical, service, above or below ground
  • Trenches or other open excavations
  • Vessels: boilers, pressure chambers, engineered structures
  • Storage bins for liquid or solids
  • Water collection systems: cisterns, pools ponds, wells
  • Hoppers: dust collection systems
  • Building spaces: air plenums, crawl spaces, air ducts, pipe chases