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Excavation Safety. Roles and Responsibilities. Contractor Cannot dig unless a SLAC-provided Excavation Permit implemented Coordinates underground survey Provide a Competent Person. Program Status Past and Present. Excavation-related incidents @ SLAC
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Roles and Responsibilities • Contractor • Cannot dig unless a SLAC-provided Excavation Permit implemented • Coordinates underground survey • Provide a Competent Person
Program 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
Program 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
Program 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
Roles 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
Daily Inspection Competent Person must: Perform and document the daily excavation inspection and maintain the documentation for review by SLAC/DOE.