Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-878 - Safety standards for window cleaning › Section 296-878-220 - Definitions

Current through Register Vol. 24-14, July 15, 2024
Anchor, window-cleaner's belt -
Fall-preventing attachment points for direct attachment of the
				terminal portion of a window-cleaner's belt.
Belt terminal -
That part of the safety
				belt that is attached to the anchor during the window-cleaning
				operation.
Block and tackle -
A lifting device
				consisting of one or more pulley blocks reeved with chains, wire
				ropes, or fibre ropes used solely for raising and lowering a load or
				moving a load horizontally.
Boatswain's chair -
A single-point
				adjustable suspension scaffold consisting of a seat or sling designed
				to support one worker in a sitting position.
Capstan device -
An upright,
				spool-shaped cylinder used for hoisting or lifting weights that is
				turned by a motor or by hand.
Carabiner -
An oblong metal ring with an
				openable spring-hinged side, used to clip a rope to an anchoring
				device.
Competent person -
One who is capable of
				identifying existing and predictable hazards in the surroundings, or
				working conditions which are unsanitary, hazardous, or dangerous to
				employees, and who has authorization to take prompt corrective
				measures to eliminate them.
Drop (drop zone) -
A vertical area or
				work zone accessed by the worker or piece of equipment during one
				descent.
Drop line -
A vertical line from a fixed
				anchorage, independent of the work surface.
Fixture -
Attachments, anchors,
				anchorages, tie backs or support equipment permanently dedicated to a
				given site.
Grade -
Means the ground, floor,
				sidewalk, roof, or any level surface that is considered a safe place
				to work.
Lanyard -
A flexible line to secure a
				wearer of a safety belt or harness to a drop line, lifeline or fixed
				anchorage.
Mullion -
A slender, vertical dividing
				bar between windows, panels, etc.
Primary support/suspension -
A working
				line or approved anchorage used for attachment of a working
				line.
Qualified person -
A person is qualified
				if they have one of the following:
Extensive knowledge, training, and experience about
				the subject matter, work, or project
A recognized degree, certificate, or professional
				standing
Successful demonstration of problem solving skills in
				connection with the subject, work, or project.
Rated capacity -
The combined weight of
				workers, tools, equipment, and other materials that the device is
				designed and installed to lift and support.
Rope descent system (RDS) -
An assembly
				of components that allows the operator to control the rate of descent
				at any time. A rope descent system includes the following
				components:
Suspension devices
Certified roof anchorages
Primary support ropes or lines
The descent device
Carabiners or shackles
A seatboard or boatswain's chair.
Terminal strap -
The strap or rope
				attached to the waist band on one end, and to the belt terminals on
				the other end.
Window cleaning -
Cleaning, wiping,
				restoring or other methods of cleaning windows.
Working line -
A rope suspended from an
				anchorage and used to access parts of a building.
Statutory Authority:
				  RCW  49.17.010,
				  49.17.040,
				  49.17.050, and
				  49.17.060. 02-22-027,
				  § 296-878-220, filed 10/28/02, effective
				  1/1/03.