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Brace: A rigid connection that holds one scaffold member in a fixed position with respect to another member, or to a building or structure.

Bell-bottom pier hole: A type of shaft or footing excavation, the bottom of which is made larger than the cross section above to form a belled shape.

Benching (Benching system): A method of protecting employees from cave-ins by excavating the sides of an excavation to form one or a series of horizontal levels or steps, usually with vertical or near-vertical surfaces between levels.

Benefit notice: A required letter or form sent to you by the insurance company to inform you of benefits you may be entitled to receive.

Biological Hazard: A hazard that pertains to life organisms, including such things as viruses and toxic materials that living things produce. Eg: animals and bacteria in drinking water.

Body belt: A strap with means both for securing it about the waist and for attaching it to a lanyard, lifeline, or deceleration device.

Body harness: Straps which may be secured about the employee in a manner that will distribute the fall arrest forces over at least the thighs, pelvis, waist, chest, and shoulders, with means for attaching it to other components of a personal fall arrest system.