Walking - Working Surfaces by BWC Ohio

1. WALKING – WORKINGWALKING – WORKING
SURFACESSURFACES
29 CFR 191029 CFR 1910
Subpart DSubpart D

2. 1910.21 DEFINITIONS1910.21 DEFINITIONS
 FLOOR HOLE – an opening measuringFLOOR HOLE – an opening measuring
less than 12 inches but more than 1 inch inless than 12 inches but more than 1 inch in
its least dimensionsits least dimensions
 FLOOR OPENING – an openingFLOOR OPENING – an opening
measuring 12 inches or more in its leastmeasuring 12 inches or more in its least
dimensiondimension
i.e. stair opening, hatchway, manholei.e. stair opening, hatchway, manhole

3.  HANDRAIL – a single bar or pipeHANDRAIL – a single bar or pipe
supported on brackets from a wall tosupported on brackets from a wall to
furnish persons with a handholdfurnish persons with a handhold
 WALL HOLE – an opening less than 30WALL HOLE – an opening less than 30
inches but more than 1 inch high, ofinches but more than 1 inch high, of
unrestricted widthunrestricted width
1910.21 DEFINITIONS1910.21 DEFINITIONS

4. 1910.22 GENERAL1910.22 GENERAL
REQUIREMENTSREQUIREMENTS
(a) Housekeeping(a) Housekeeping
(1) All places of employment,(1) All places of employment,
passageways, storerooms, and servicepassageways, storerooms, and service
rooms shall be kept clean and orderly androoms shall be kept clean and orderly and
in a sanitary conditionin a sanitary condition
(2) The floor of every workroom shall be(2) The floor of every workroom shall be
maintained in a clean and dry condition.maintained in a clean and dry condition.
When wet processes are used, drainageWhen wet processes are used, drainage
shall be maintained.shall be maintained.

6. (b) Aisles and Passageways(b) Aisles and Passageways
(1) Where mechanical handling equipment(1) Where mechanical handling equipment
(fork trucks) is used, sufficient safe(fork trucks) is used, sufficient safe
clearances shall be allowed for aisles.clearances shall be allowed for aisles.
(2) Permanent aisles and passageways(2) Permanent aisles and passageways
shall be appropriately marked.shall be appropriately marked.
* ANSI Z 53.1 Aisle Markings* ANSI Z 53.1 Aisle Markings
* 1910.176 PIT* 1910.176 PIT
1910.22 GENERAL1910.22 GENERAL
REQUIREMENTSREQUIREMENTS

9. (d) Floor Loading(d) Floor Loading
ProtectionProtection
(1) Overhead storage(1) Overhead storage
areas, mezzanines, etc.areas, mezzanines, etc.
need posted signneed posted sign
identifying the maximumidentifying the maximum
weight per square foot ofweight per square foot of
the space.the space.
1910.22 GENERAL1910.22 GENERAL
REQUIREMENTSREQUIREMENTS

11. 1910.23 GUARDING1910.23 GUARDING
FLOOR/WALL OPENINGS ANDFLOOR/WALL OPENINGS AND
HOLESHOLES
(a) Protection for(a) Protection for
Floor OpeningsFloor Openings
(1) Every stairway(1) Every stairway
floor opening shallfloor opening shall
be guarded by abe guarded by a
standard railing,standard railing,
provided on allprovided on all
exposed sidesexposed sides
(except at entrance(except at entrance
to stairway).to stairway).

12. (a)(2) Every ladder, floor(a)(2) Every ladder, floor
opening or platform shallopening or platform shall
be guarded by a standardbe guarded by a standard
railing with standard toerailing with standard toe
board on all exposedboard on all exposed
sides (except at entrancesides (except at entrance
to opening).to opening).
* Industry – 4 ft ** Industry – 4 ft *
Construction – 6 ftConstruction – 6 ft
1910.23 GUARDING1910.23 GUARDING
FLOOR/WALL OPENINGS ANDFLOOR/WALL OPENINGS AND
HOLESHOLES

13. (a)(3) Every hatchway and chute floor(a)(3) Every hatchway and chute floor
opening shall be guarded by one of theopening shall be guarded by one of the
following:following:
(i) Hinged Floor Opening Cover(i) Hinged Floor Opening Cover
(ii) Removable Railing & Toe Board(ii) Removable Railing & Toe Board
(4) Every skylight floor opening and hole(4) Every skylight floor opening and hole
shall be guarded by a standard skylightshall be guarded by a standard skylight
screen or fixed standard railing on allscreen or fixed standard railing on all
exposed sidesexposed sides
1910.23 GUARDING1910.23 GUARDING
FLOOR/WALL OPENINGS ANDFLOOR/WALL OPENINGS AND
HOLESHOLES

15. (5) Every pit and trapdoor(5) Every pit and trapdoor
shall be guarded by ashall be guarded by a
floor opening cover.floor opening cover.
While the cover is not inWhile the cover is not in
place the opening shallplace the opening shall
be constantly attended bybe constantly attended by
someone or protected onsomeone or protected on
all exposed sides by aall exposed sides by a
removable standardremovable standard
railing.railing.
1910.23 GUARDING1910.23 GUARDING
FLOOR/WALL OPENINGS ANDFLOOR/WALL OPENINGS AND
HOLESHOLES

16. (6) Every manhole floor opening (measuring(6) Every manhole floor opening (measuring
larger than 12 inches) shall be guarded bylarger than 12 inches) shall be guarded by
a standard manhole cover.a standard manhole cover.
(7) Every temporary floor opening shall have(7) Every temporary floor opening shall have
standard railings.standard railings.
1910.23 GUARDING1910.23 GUARDING
FLOOR/WALL OPENINGS ANDFLOOR/WALL OPENINGS AND
HOLESHOLES

17. (8) Every floor hole(8) Every floor hole
shall be guardedshall be guarded
by:by:
(i) Standard Railing(i) Standard Railing
with Standard Toewith Standard Toe
BoardBoard
(ii) Floor Hole Cover(ii) Floor Hole Cover
1910.23 GUARDING1910.23 GUARDING
FLOOR/WALL OPENINGS ANDFLOOR/WALL OPENINGS AND
HOLESHOLES

20. (10) Where doors or gates open directly on(10) Where doors or gates open directly on
a stairway, a platform shall be provideda stairway, a platform shall be provided
and the swing of the door shall not reduceand the swing of the door shall not reduce
the effective width to less than 20 inches.the effective width to less than 20 inches.
1910.23 GUARDING1910.23 GUARDING
FLOOR/WALL OPENINGS ANDFLOOR/WALL OPENINGS AND
HOLESHOLES
STE
20”

21. (b) Protection for wall(b) Protection for wall
openings and holesopenings and holes
(1) Every wall(1) Every wall
opening from whichopening from which
there is a drop ofthere is a drop of
more than 4 ft shallmore than 4 ft shall
be guardedbe guarded
i.e. shipping docksi.e. shipping docks
1910.23 GUARDING1910.23 GUARDING
FLOOR/WALL OPENINGS ANDFLOOR/WALL OPENINGS AND
HOLESHOLES

22. (c) Protection of open(c) Protection of open
sided floors,sided floors,
platforms, andplatforms, and
runwaysrunways
(1) Every open sided(1) Every open sided
floor or platform 4 ftfloor or platform 4 ft
or more above theor more above the
floor shall be guardedfloor shall be guarded
by a standard railingby a standard railing
1910.23 GUARDING FLOOR/WALL1910.23 GUARDING FLOOR/WALL
OPENINGS AND HOLESOPENINGS AND HOLES

23. (c)(1) A toe board shall be provided(c)(1) A toe board shall be provided
whenever:whenever:
(i) persons can pass under(i) persons can pass under
(ii) there is moving machinery(ii) there is moving machinery
(iii) hazard of falling materials(iii) hazard of falling materials
(2) Every runway shall be guarded by a(2) Every runway shall be guarded by a
standard railingstandard railing
1910.23 GUARDING1910.23 GUARDING
FLOOR/WALL OPENINGS ANDFLOOR/WALL OPENINGS AND
HOLESHOLES

24. (3) Regardless of height, open sided floors,(3) Regardless of height, open sided floors,
walkways, platformswalkways, platforms above or adjacentabove or adjacent
to dangerous equipment,to dangerous equipment,
galvanizing tanks, degreasing unitsgalvanizing tanks, degreasing units
and similar hazards shall be guarded withand similar hazards shall be guarded with
railing and toe boardrailing and toe board
1910.23 GUARDING1910.23 GUARDING
FLOOR/WALL OPENINGS ANDFLOOR/WALL OPENINGS AND
HOLESHOLES

25. (d) Stairway railing and guards(d) Stairway railing and guards
(1) Every flight of stairs having four(1) Every flight of stairs having four
or more risers shall be equippedor more risers shall be equipped
with standard railingswith standard railings
(i) stairways less than 44 inches(i) stairways less than 44 inches
wide -having both sideswide -having both sides
enclosedenclosed at least one handrailat least one handrail
on the righton the right side descendingside descending
(ii) having one side open – at(ii) having one side open – at
least one stair railing on openleast one stair railing on open
sideside
1910.23 GUARDING1910.23 GUARDING
FLOOR/WALL OPENINGS ANDFLOOR/WALL OPENINGS AND
HOLESHOLES

26. (iii) having both sides open – one stair(iii) having both sides open – one stair
railing on each siderailing on each side
(iv) Stairways more than 44 inches wide but(iv) Stairways more than 44 inches wide but
less than 88 inches wide – one handrail onless than 88 inches wide – one handrail on
each enclosed side and one stair railingeach enclosed side and one stair railing
on each open sideon each open side
(v) Stairways more than 88 inches wide –(v) Stairways more than 88 inches wide –
one handrail on each enclosed side , oneone handrail on each enclosed side , one
stair railing on each open side and onestair railing on each open side and one
intermediate stair railingintermediate stair railing
1910.23 GUARDING1910.23 GUARDING
FLOOR/WALL OPENINGS ANDFLOOR/WALL OPENINGS AND
HOLESHOLES

27. (e) Railings, toe boards and cover(e) Railings, toe boards and cover
specificationsspecifications
(1) Standard railing consists of top rail,(1) Standard railing consists of top rail,
intermediate rail and posts and shall haveintermediate rail and posts and shall have
a vertical height of 42 inches. Top raila vertical height of 42 inches. Top rail
(42”) shall be smooth-surfaced.(42”) shall be smooth-surfaced.
Intermediate rail (21”) shall beIntermediate rail (21”) shall be
approximately halfway betweenapproximately halfway between
the top rail and the floor.the top rail and the floor.
1910.23 GUARDING1910.23 GUARDING
FLOOR/WALL OPENINGS ANDFLOOR/WALL OPENINGS AND
HOLESHOLES

28. (e)(2) Stair railing(e)(2) Stair railing
shall be ofshall be of
construction similarconstruction similar
to standard railing.to standard railing.
The vertical heightThe vertical height
shall be not moreshall be not more
than 34 inches northan 34 inches nor
less than 30 inchesless than 30 inches
from upper surfacefrom upper surface
of top rail.of top rail.
1910.23 GUARDING1910.23 GUARDING
FLOOR/WALL OPENINGS ANDFLOOR/WALL OPENINGS AND
HOLESHOLES
30”
34”

29. (e)(6) All handrails shall have a clearance of(e)(6) All handrails shall have a clearance of
not less than 3 inches between thenot less than 3 inches between the
handrail and any other object.handrail and any other object.
(8) Skylight screens shall be of such(8) Skylight screens shall be of such
construction and mounting that they areconstruction and mounting that they are
capable of withstanding a load of at leastcapable of withstanding a load of at least
200 pounds.200 pounds.
1910.23 GUARDING1910.23 GUARDING
FLOOR/WALL OPENINGS ANDFLOOR/WALL OPENINGS AND
HOLESHOLES

30. 1910.24 FIXED INDUSTRIAL1910.24 FIXED INDUSTRIAL
STAIRSSTAIRS
(f) Stair treads – rise height(f) Stair treads – rise height
and tread width shall beand tread width shall be
uniform throughout anyuniform throughout any
flight of stairs.flight of stairs.
(h)(i) Vertical Clearance –(h)(i) Vertical Clearance –
vertical clearance abovevertical clearance above
any stair tread to anany stair tread to an
overhead obstructionoverhead obstruction
shall be at least 7 feet.shall be at least 7 feet.

32. 1910.25 PORTABLE WOOD1910.25 PORTABLE WOOD
LADDERSLADDERS
(b)(1) Requirements of wood parts(b)(1) Requirements of wood parts
(i) All wood parts shall be free from sharp(i) All wood parts shall be free from sharp
edges and splintersedges and splinters
(c)(2) Portable stepladders – stepladders(c)(2) Portable stepladders – stepladders
longer than 20 feet shall not be supplied.longer than 20 feet shall not be supplied.
Three types of laddersThree types of ladders
TYPE IA – IndustrialTYPE IA – Industrial
TYPE II – CommercialTYPE II – Commercial
TYPE III – HouseholdTYPE III – Household

33. (c)(2)(i) General Requirements(c)(2)(i) General Requirements
(b) A uniform step spacing, not more than(b) A uniform step spacing, not more than
12 inches, shall be employed.12 inches, shall be employed.
(f) Each ladder shall have a metal spreader(f) Each ladder shall have a metal spreader
which holds the front and back sections inwhich holds the front and back sections in
the open position.the open position.
1910.25 PORTABLE WOOD1910.25 PORTABLE WOOD
LADDERSLADDERS

34. (d) Care and Use of Ladders(d) Care and Use of Ladders
(1)(i) Ladders shall be maintained in good(1)(i) Ladders shall be maintained in good
condition at all times.condition at all times.
(iv) Safety feet shall be kept in good(iv) Safety feet shall be kept in good
condition.condition.
(x) Ladders shall be inspected frequently(x) Ladders shall be inspected frequently
and those which have developed defectsand those which have developed defects
shall be withdrawn from service.shall be withdrawn from service.
(xi) Rungs shall be free of grease and oil.(xi) Rungs shall be free of grease and oil.
1910.25 PORTABLE LADDERS1910.25 PORTABLE LADDERS

35. (d)(2) Use(d)(2) Use
(i) Used at a 4:1 pitch, ladders shall be(i) Used at a 4:1 pitch, ladders shall be
lashed or held in position. Ladderslashed or held in position. Ladders
shallshall not be used in a horizontalnot be used in a horizontal
position.position.
(ii) Ladders should not be used by(ii) Ladders should not be used by
more than one man at a time.more than one man at a time.
(iii) Portable ladders shall be so placed(iii) Portable ladders shall be so placed
that the side rails have secure footing.that the side rails have secure footing.
1910.25 PORTABLE LADDERS1910.25 PORTABLE LADDERS

37. (iv) Ladders shall not be placed in front of(iv) Ladders shall not be placed in front of
door opening, unless the door is blocked,door opening, unless the door is blocked,
locked or guarded.locked or guarded.
(v) Ladders shall not be placed on boxes,(v) Ladders shall not be placed on boxes,
barrels, or other bases to obtain additionalbarrels, or other bases to obtain additional
height.height.
(vii) Ladders with broken or missing steps,(vii) Ladders with broken or missing steps,
rungs, cleats or side rails shall not berungs, cleats or side rails shall not be
used.used.
1910.25 PORTABLE LADDERS1910.25 PORTABLE LADDERS

38. (ix) Ladders shall not be(ix) Ladders shall not be
spliced together.spliced together.
(xi) Ladders shall not be(xi) Ladders shall not be
used as braces or otherused as braces or other
than their intendedthan their intended
purpose.purpose.
(xii) Tops of stepladders(xii) Tops of stepladders
shall not be used asshall not be used as
steps.steps.
1910.25 PORTABLE LADDERS1910.25 PORTABLE LADDERS

39. 1910.25 PORTABLE LADDERS1910.25 PORTABLE LADDERS
(xiii) On two section extension ladders the(xiii) On two section extension ladders the
minimum overlap shall beminimum overlap shall be
Size of Ladder (ft)Size of Ladder (ft) Overlap (ft)Overlap (ft)
Up to & including 36Up to & including 36 33
Over 36 up to & includingOver 36 up to & including
4848
44
Over 48 up to andOver 48 up to and
including 60including 60
55

40. (xv) Ladder used to gain access to a roof(xv) Ladder used to gain access to a roof
shall extend at least 3 feet above theshall extend at least 3 feet above the
roofline.roofline.
(xix) The user should equip all portable rung(xix) The user should equip all portable rung
ladders with non-slip bases if a slippingladders with non-slip bases if a slipping
hazard is present.hazard is present.
(xx) The bracing on the back legs of a step(xx) The bracing on the back legs of a step
ladder are not for climbing.ladder are not for climbing.
1910.25 PORTABLE LADDERS1910.25 PORTABLE LADDERS

41. * Step ladders can not be* Step ladders can not be
used as a straight sidedused as a straight sided
ladderladder
1910.3331910.333
(c)(7)(c)(7) Portable laddersPortable ladders
shall have nonconductiveshall have nonconductive
side railsside rails
1910.25 PORTABLE LADDERS1910.25 PORTABLE LADDERS

46. 1910.27 FIXED LADDERS1910.27 FIXED LADDERS
(c)(4) Clearance in back of ladder – the(c)(4) Clearance in back of ladder – the
distance from the centerline of the rungsdistance from the centerline of the rungs
to the nearest permanent object in back ofto the nearest permanent object in back of
the ladder shall be not less than 7 inches.the ladder shall be not less than 7 inches.
(d) Special Requirements(d) Special Requirements
(1)(i) Cages shall be provided on ladders(1)(i) Cages shall be provided on ladders
of more than 20 feet.of more than 20 feet.

47. (1)(ii) Cages shall extend a(1)(ii) Cages shall extend a
minimum of 42 inches aboveminimum of 42 inches above
the top of the landing.the top of the landing.
(iv) Cages shall extend down(iv) Cages shall extend down
the ladder to a point not lessthe ladder to a point not less
than 7 feet nor more than 8than 7 feet nor more than 8
feet above the base of thefeet above the base of the
ladder.ladder.
1910.27 FIXED LADDERS1910.27 FIXED LADDERS

48. (d)(3) Ladder extensions – the side rails of(d)(3) Ladder extensions – the side rails of
through or side step ladder extensionsthrough or side step ladder extensions
shall extend 3 ½ feet above landings.shall extend 3 ½ feet above landings.
(4) Ladder safety devices – ladder safety(4) Ladder safety devices – ladder safety
devices may be used on ladders over 20devices may be used on ladders over 20
feet in unbroken length in lieu of cages.feet in unbroken length in lieu of cages.
1910.27 FIXED LADDERS1910.27 FIXED LADDERS

49. 1910.30 OTHER WORKING1910.30 OTHER WORKING
SURFACESSURFACES
(a) Dockboards (bridge plates)(a) Dockboards (bridge plates)
(1) Dockboards shall be strong enough to(1) Dockboards shall be strong enough to
carry the load imposed on them.carry the load imposed on them.
(2) Dockboards shall be secured in(2) Dockboards shall be secured in
position.position.
(3) Powered dockboards shall be(3) Powered dockboards shall be
designed and constructed in accordancedesigned and constructed in accordance
with CS202-56 (1961)with CS202-56 (1961)
(4) Positive protection shall be provided to(4) Positive protection shall be provided to
prevent railroad cars from being moved.prevent railroad cars from being moved.