Chapter 11: Excavation Safety

The requirements of Excavation Safety apply to all personnel engaged in excavation operations at SLAC that meet any of the following conditions, at any time: 1) depth is one foot or more; 2) power tools will be used; 3) utilities are identified; and 4) any hazardous condition is likely to be encountered. The requirements do not apply to 1) sampling soil, concrete, and asphalt from bins, hoppers, or stockpiles using hand tools; 2) replacing existing sign posts in and around SLAC roads, parking areas, and pathways, provided sleeves are used.

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