Pennsylvania Code › Title 34 - LABOR AND INDUSTRY › Part I - Department of Labor and Industry › Chapter 6 - CONSTRUCTION AND REPAIRS › GENERAL PROVISIONS › Section 6.1 - Definitions

Current through Register Vol. 54, No. 28, July 13, 2024
The following words and terms, when used in this chapter,
					 have the following meanings, unless the context clearly indicates
					 otherwise:
Brace
-A tie that holds one point in a
					 fixed position with respect to another point. Bracing is a system of braces or
					 ties that prevent distortion of a structure.
Bracing
-All temporary devices required to
					 be used or installed during construction, repair or revision operations for the
					 purpose of holding in place components of a building or a structure until it
					 and all its components are permanently assembled and connected in ways that
					 insure permanent stability. This term shall include but not be limited to
					 braces, shores, struts, ties, forms, centering, walers, cross arms and any
					 other devices which temporarily hold components in place during the
					 construction of a structure.
Bricklayers' squares scaffold
-A scaffold,
					 the platform of which is composed of boards supported by "jacks" or "squares"
					 secured to each other by double diagonal bracking.
Carpenters' bracket scaffold
-A scaffold,
					 the platform of which is composed of boards supported by brackets or that are
					 secured to the side of the building.
Crawling board
or
Chicken
					 ladder
-A board to which cross strips are nailed or otherwise fastened
					 for use on a ladder.
Guardrail
-A rail 34 inches in height,
					 erected to protect the workmen as well as to prevent the falling of material
					 from a platform.
Horse scaffold
-A scaffold, the platform of
					 which is supported by horses.
Independent scaffold
-A scaffold supported
					 from the base by a double row of uprights, independent of support from the
					 walls and constructed of uprights, ledgers, horizontal platform bearers and
					 diagonal bracing. An independent pole scaffold may also be referred to as a
					 built-up scaffold.
Ladder jack scaffold
-A scaffold, the
					 platform of which is supported by jacks attached to ladders.
Lanyard
-A rope, webbed belt or equivalent,
					 suitable for supporting one person. One end is fastened to a safety belt or
					 harness and the other end is secured to a substantial object or a
					 lifeline.
Ledger
and
stringer
-A
					 scaffold member which extends horizontally from post to post, at right angles
					 to the putlogs, supports the putlogs, forms a tie between the posts, and
					 becomes a part of the scaffold bracing. Ledgers which do not support putlogs
					 are also called stringers.
Lifeline
-A rope, or cable, to which a
					 lanyard, safety belt or harness is attached.
Needle beam scaffold
-A scaffold consisting
					 of a plank platform which rests upon two parallel horizontal beams (needle
					 beams) supported at the ends by ropes.
Outriggers' scaffold
-A scaffold, the
					 platform of which is supported by projecting beams or "thrustouts" that extend
					 from the wall of the building and are firmly held and secured to the framework
					 or flooring inside the building.
Painters' swinging scaffold
-A scaffold,
					 the platform of which is suspended or swung from overhead supports, and rests
					 on hangers of either iron or steel.
Plasterers' and decorators' inside
					 scaffold
-A scaffold for use on light work inside a building, the
					 platform of which is supported by ladders, steps or trestles.
Putlog
or
Bearer
-A
					 scaffold member upon which the platform rests. In a single pole scaffold the
					 outer end of the putlog rests on a ledger and the inner end rests in the wall.
					 In an independent pole scaffold each end of the putlog rests on a ledger. In an
					 independent pole scaffold a putlog is known as a bearer.
Roofing bracket
-A bracket (jack) used for
					 shingling and roofing, having sharp points that are thrust into the roof to
					 prevent sliding, or supported by means of ropes passing around or over some
					 permanent or solidly secured object.
Runway
-A stationary incline provided as a
					 means of ascent and descent from one level to another.
Safety belt
-A device usually worn around
					 the waist which, by reason of its attachment to a lanyard and lifeline or a
					 structure, acts to prevent a worker from falling.
Scaffold
-An elevated platform used for
					 supporting workmen or materials in the course of the constructing, altering,
					 repairing, wrecking, painting, cleaning or painting of buildings, or other
					 construction work.
Single pole scaffold
-A platform resting on
					 putlogs or crossbeams, the outer ends of which are supported on ledgers secured
					 to a single row of posts or uprights and the inner ends on a wall or holes in a
					 wall.
Suspended scaffold
-A scaffold, the
					 platform of which is suspended from overhead supports by means of cables or
					 steel ribbons and is adjustable.
Temporary floor
-A floor constructed for
					 use during building operations only.
Toeboard
-A board six inches in height,
					 erected at right angles to the platform and tightly against it to protect the
					 workmen as well as to prevent the falling of material from a platform.
Window jack scaffold
-A scaffold, the
					 platform of which is supported by a single jack or "thrustout" which projects
					 through a window opening.