Excavations

Excavation Hazards ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Injury and Death ,[object Object],[object Object],[object Object]

Definitions ,[object Object],[object Object],[object Object],[object Object],[object Object]

Focus of Training ,[object Object],[object Object],[object Object],[object Object]

Protection of Employees ,[object Object],[object Object],[object Object],[object Object]

Requirements for Protective Systems ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Design of Protective Systems ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Protect Employees Exposed to Potential Cave-ins ,[object Object],[object Object],[object Object]

Cave-in Hazard This excavation has inadequate support posts and egress access Inadequate protective system

Inadequate Protective System This worker is in a trench with no protective system, that is not sloped or benched and has no means of egress

Factors Involved in Designing a Protective System ,[object Object],[object Object],[object Object],[object Object],[object Object]

Shoring ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Trench Shield ,[object Object]

Hydraulic Trench Support ,[object Object],[object Object],[object Object]

Materials and Equipment ,[object Object],[object Object],[object Object]

Protection from Vehicles ,[object Object],[object Object],[object Object],[object Object],[object Object]

Hazardous Conditions The weight and vibrations of the crane make this a very hazardous condition. They should not be working under this crane.

Spoils ,[object Object],[object Object],[object Object],[object Object]

Other Excavation Hazards Water accumulation Oxygen deficiency Toxic fumes Access/Egress Falls Mobile equipment

Water is Hazardous ,[object Object],Note that these workers are not wearing hardhats to protect them from materials falling into the trench

Water = Cave-in Hazard These workers must be protected from cave-in. Note the water in the bottom of the trench. This is a very hazardous condition!

Hazardous Atmosphere ,[object Object],[object Object],[object Object],[object Object]

Means of Egress ,[object Object],This ladder does not meet the requirements of the standard The ladder should extend 3 feet above the excavation

Access and Egress These two ladders which are lashed together are not an adequate means of egress The ladder should extend 3 feet above the top of the excavation

Protection from Falls, Falling Loads, and Mobile Equipment ,[object Object],[object Object],[object Object],[object Object],[object Object]

Competent Person ,[object Object],[object Object],[object Object],[object Object],[object Object]

Inspections of Excavations ,[object Object],[object Object],[object Object],[object Object]

Inspections of Excavations ,[object Object],[object Object],[object Object]

Site Evaluation Planning ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Fissure

Summary ,[object Object],[object Object],[object Object],[object Object]

Excavations

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Excavations

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