“Excavation” means any dug out area of ground other than a trench, tunnel, underground shaft, or open pit mine.
“Trench” means an elongated dug out area of ground whose depth exceeds its width at the bottom.
“Spoil Pile” means material excavated from an excavation, trench, tunnel, or underground shaft.
“Temporary Protective Structure” means a structure or device designed to provide protection in an excavation, trench, tunnel or underground shaft from cave-ins, collapses or sliding or rolling material and includes shoring, bracing, piles, planking or cages.
On greenfield sites where the risk of striking underground services is small, agreement must be reached with the Owner as to which areas and how deep permit control is not required.
Proper checks; e.g., by hand excavated test holes, will be made for the presence of underground cables or services before machine excavation work is authorized. Drawing checks are insufficient.
On existing operating sites all machine excavating must be done with a dedicated banks man observing the actual soil cutting, removal and potential undermining.
Excavations/trenches must be barricaded to warn workers of the hazard. Any excavation located near a roadway or in an area with the potential for vehicle traffic must have warning lights in addition to barricades.
Berms, soil or more rigid, must be designed and built to a minimum of one half tire height of the largest equipment/vehicle type intended to travel/operate within vicinity of the trench or excavation.
To be continued….
Share This Article
Subscribe to our RSS Feed. What is RSS?