Download - Excavation Safety
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Excavation SafetyExcavation Safety
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Roles and ResponsibilitiesRoles and ResponsibilitiesRoles and ResponsibilitiesRoles and Responsibilities
• CONTRACTOR– Cannot dig unless a SLAC-
provided Excavation Permit implemented
– Coordinates underground survey
– Provide a Competent Person
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Program Status Past and PresentProgram Status Past and PresentProgram Status Past and PresentProgram Status Past and Present
• Excavation-related incidents @ SLAC
– Utility strikes (punctured gas line, broken CT water line, buried electrical.
– Radiation-generating devices (soil density gauges) that were brought on site without prior approval of RPFO.
– Employee struck by Backhoe, injured shoulder
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Program RequirementsProgram RequirementsProgram RequirementsProgram Requirements
• Program is intended to protect workers– Egress within 25 feet– Protective system
• All four sides as needed
– Loose rock and soil– Oxygen deficiency– Water accumulation– Heavy equipment– Fall protection
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Program RequirementsProgram RequirementsProgram RequirementsProgram Requirements
• Program is also intended to protect -– Existing Utilities and
Adjacent Structures• Utility strikes, undermining
– The Environment• Erosion, stormwater
pollution, improper disposal of excavated material
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Roles and Responsibilities, continuedRoles and Responsibilities, continuedRoles and Responsibilities, continuedRoles and Responsibilities, continued
• SUBCONTRACTOR’S EXCAVATION COMPETENT PERSON– Is present during all active operations. If work is being
conducted in a trench by more than one subcontractor, each must have its own competent person present when employee exposure can reasonably be anticipated.
– Identifies and ensures the use of adequate protective systems, work methods, and personal protective equipment (PPE) on site in accordance with excavation regulations and best safety management practices
– Stops activity and removes exposed personnel from the hazardous area until necessary precautions have been taken to ensure their safety whenever finding evidence of a potentially hazardous situation that could result in a possible cave-in, failure of protective systems, hazardous atmospheres, or other hazardous conditions
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Daily InspectionDaily InspectionDaily InspectionDaily Inspection7
Competent Person must:
Perform and document the daily excavation inspection and maintain the documentation for review by SLAC/DOE.