29 Cfr 1910.22

§ 1910.22

29 CFR Ch. XVII (7–1–09 Edition)

cprice-sewell on DSKDVH8Z91PROD with CFR

(11) Mobile scaffold (tower). A light,
medium, or heavy duty scaffold mounted on casters or wheels.
(12) Mobile. ‘‘Manually propelled.’’
(13) Mobile work platform. Generally a
fixed work level one frame high on
casters or wheels, with bracing diagonally from platform to vertical frame.
(14) Runner. The lengthwise horizontal bracing and/or bearing members.
(15) Scaffold. Any temporary elevated
platform and its necessary vertical, diagonal, and horizontal members used
for supporting workmen and materials.
(Also known as a scaffold tower.)
(16) Toeboard. A barrier at platform
level erected along the exposed sides
and ends of a scaffold platform to prevent falls of materials.
(17) Tube and coupler scaffold. An assembly consisting of tubing which
serves as posts, bearers, braces, ties,
and runners, a base supporting the
posts, and uprights, and serves to join
the various members, usually used in
fixed locations.
(18) Tubular welded frame scaffold. A
sectional, panel, or frame metal scaffold substantially built up of prefabricated welded sections, which consist
of posts and bearers with intermediate
connecting members and braced with
diagonal or cross braces.
(19) Tubular welded sectional folding
scaffold. A sectional, folding metal
scaffold either of ladder frame or inside
stairway design, substantially built of
prefabricated welded sections, which
consist of end frames, platform frame,
inside inclined stairway frame and
braces, or hinged connected diagonal
and horizontal braces, capable of being
folded into a flat package when the
scaffold is not in use.
(20) Work level. The elevated platform, used for supporting workmen and
their materials, comprising the necessary vertical, horizontal, and diagonal braces, guardrails, and ladder for
access to the work platform.
§ 1910.22 General requirements.
This section applies to all permanent
places of employment, except where
domestic, mining, or agricultural work
only is performed. Measures for the
control of toxic materials are considered to be outside the scope of this section.

(a) Housekeeping. (1) All places of employment, passageways, storerooms,
and service rooms shall be kept clean
and orderly and in a sanitary condition.
(2) The floor of every workroom shall
be maintained in a clean and, so far as
possible, a dry condition. Where wet
processes are used, drainage shall be
maintained, and false floors, platforms,
mats, or other dry standing places
should be provided where practicable.
(3) To facilitate cleaning, every floor,
working place, and passageway shall be
kept free from protruding nails, splinters, holes, or loose boards.
(b) Aisles and passageways. (1) Where
mechanical handling equipment is
used, sufficient safe clearances shall be
allowed for aisles, at loading docks,
through doorways and wherever turns
or passage must be made. Aisles and
passageways shall be kept clear and in
good repairs, with no obstruction
across or in aisles that could create a
hazard.
(2) Permanent aisles and passageways
shall be appropriately marked.
(c) Covers and guardrails. Covers and/
or guardrails shall be provided to protect personnel from the hazards of open
pits, tanks, vats, ditches, etc.
(d) Floor loading protection. (1) In
every building or other structure, or
part thereof, used for mercantile, business, industrial, or storage purposes,
the loads approved by the building official shall be marked on plates of approved design which shall be supplied
and securely affixed by the owner of
the building, or his duly authorized
agent, in a conspicuous place in each
space to which they relate. Such plates
shall not be removed or defaced but, if
lost, removed, or defaced, shall be replaced by the owner or his agent.
(2) It shall be unlawful to place, or
cause, or permit to be placed, on any
floor or roof of a building or other
structure a load greater than that for
which such floor or roof is approved by
the building official.
§ 1910.23 Guarding floor and wall
openings and holes.
(a) Protection for floor openings. (1)
Every stairway floor opening shall be
guarded by a standard railing constructed in accordance with paragraph

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