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Div 3, Construction, Sub P


Div 3, Construction, Sub T


Div 4, Agriculture, Sub T


Interpretations | Program Directives | Alerts


Foundation/Basement Excavations 5/29/14

Trench Shields 3/25/03

Shoring Systems 7/25/02

Shallow Trench Excavations 7/13/93

Excavation/Competent person and radial arm saw guarding 9/30/91

Tripod, Rescue-Descend Standards 3/1/89

Program Directives

Excavation Standards 8/25/05

National Emphasis Program (NEP): Trenching and Excavation 2/21/08

Fact Sheets/Hazard Alerts/Technical Notes

Hazard Alert: Hazards of inadequately securing hydraulic excavator Federal OSHA 7/22/05

Hazard Alert: Electrical hazard - call before you dig! 6/2/00


Publications | Education | Related | Video


Excavations 2/4/15

Education and training

Online Courses / Current Workshops

All Class Materials

Excavation Class Materials

Excavation Safety Workbook

Excavation Safety Instructor Guide

PESO: Bilingual training for employers with Hispanic workers

Tools and resources

Trench Cave In - Video clip

Video/DVD Library

Look for Excavation videos on our Resource Center Website

Streaming or download video

Trench Cave In - Video clip

Related information

Call 811 before you dig Oregon Utility Notification Center

USDOL Excavations in Construction/Soil Classification

USDOL Excavations in Construction/Trenching