Text Size:   A+ A- A   •   Text Only

New website coming soon

Oregon OSHA is launching a new website in the coming weeks. You will need to update your bookmarks.
The new website is designed to work well on mobile devices and increase accessibility for people with disabilities.

Underground construction

« A-Z Index »ABCDEFGHI J KLMN OP QRST UVW X Y ZSubscribe to email updates


Div 3, Construction, Sub S

Underground Construction, Caissons, Cofferdams, and Compressed Air

Interpretations | Program Directives | Alerts


Rescue work in confined spaces 7/24/13

Tunneling and use of propane equipment 12/5/96

Fact Sheets/Hazard Alerts/Technical Notes

Fact Sheet: Confined spaces 7/31/13


Publications | Education | Related | Video


Confined spaces and permit spaces 11/20/14

Underground Construction (tunneling) 12/15/08

Education and training

Online Courses / Current Workshops

All Class Materials

PESO: Bilingual training for employers with Hispanic workers

Video/DVD Library

Look for Underground construction videos on our Resource Center Website