1. Please provide updates on new NBC initiatives that are currently in process or are. scheduled. We are particularly interested in: the processing of stand-alone Forms I-. 130; the processing of interview-waiver eligible Forms I-485 and work allocations.
Shoring (Shoring System): a structure that is built or put in place to support the sides of an excavation and designed to prevent cave-ins. Sides: See Faces. Sloping (Sloping System): sloping the sides of the excavation away from the excavation to protect employees from cave-ins.
1 No water, surface tension cracks, or other environmental conditions reduce the excavation's stability; 2  No heavy equipment is vibrating the excavation while employees are in it;  Soil, equipment, and material surcharge loads are no closer to the top edge of the excavation than the excavation is deep. When you use front-end loaders to dig the excavations, place the soil surcharge load as far back from the edge of the excavation as possible, but never closer than 2 feet (.61 meters);