Demolition
1926.850Preparatory operations.1926.851Stairs, passageways, and ladders.1926.852Chutes.1926.853Removal of materials through floor openings.1926.854Removal of walls, masonry sections, and chimneys.1926.855Manual removal of floors.1926.856Removal of walls, floors, and material with equipment.1926.857Storage.1926.858Removal of steel construction.1926.859Mechanical demolition.1926.860Selective demolition by explosives.