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Underground construction Publications

See Also: Underground construction A to Z Topic page

Not designed to be occupied - Oregon OSHA's guide to confined space safety for general industry and construction work


Explains the requirements in Oregon OSHA's confined spaces rule, 437-002-0146.

2864 guidebook

Underground Construction (tunneling)


An overview of Oregon OSHA's requirements for underground construction.

2135 guidebook|web only


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