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Safety Center

Marine Corps Base Camp Pendleton

Trenching and Excavation

OSHA 29 CFR 1926.650 - Subpart P - Excavations

• OSHA Fact Sheet - Trenching and Excavation - Download Here

• Trenching and Excavation Daily Inspection Template - Download Here

OSHA Competent Person Role and Responsibility


What you need to know
1) All trenches and excavations must be free of recognized hazards.

2) All trenches and excavations require inspection by a command designated (in writing) competent person to ensure stability and safety.

3) All trenches and excavations that are 4 feet in depth or greater require a safe means of egress (ladder, stairway, ramp).

4) All trenches and excavations that are 5 feet in depth or greater require a protective system to safeguard personnel health (shoring, shielding, sloping, benching).

5) All trenches and excavations are assumed the classification of (Type C soil) unless they pass physical and visual tests by the competent person.

6) All trenches and excavations that are 4 feet in depth or greater are considered a confined space, and must be treated accordingly.

For additional information, please contact Camilla Llantada @ (760) 763-5328 or Mr. Dale Waldren (Email link  on name if possible)@ (760) 763-2366. Or send an email to CPEN_SAFE_TRNG@usmc.mil