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Slides - Walking and Working Surfaces - General Requirements
 


Walking and Working Surfaces - General Requirements

TEXT VERSION OF SLIDE:

Title: Walking and Working Surfaces - General Requirements
Type: Text Slide
Content:
  • Housekeeping
    • Clean, orderly, in sanitary condition
    • Floors clean and, so far as possible, dry
    • Where wet processes used, drainage maintained and gratings, mats, or raised platforms provided
    • Floors and passageways free from protruding nails, splinters, loose nails, etc..
  • Aisles and passageways
    • Clear and unobstructed
    • Permanent aisles and passageways marked
    • Of sufficient width where mechanical handling equipment used


Walking and Working Surfaces - General Requirements (continued)

TEXT VERSION OF SLIDE:

Title: Walking and Working Surfaces - General Requirements (cont'd)
Type: Text Slide
Content:
  • Covers and guardrails provided to protect personnel from hazards of open pits, tanked, ditches, etc.
  • Floor loading protection
    • Limits posted
    • No load on roof or floor greater than approved

Floor Openings and Open Sides

TEXT VERSION OF SLIDE:

Title: Floor Openings and Open Sides
Type: Text Slide
Content:
  • Stairway and ladderway floor openings
    • Standard railing with standard toeboard except at entrance side, or
    • Hinged cover and removable standard railings if infrequently used
  • Hatchway and chute floor openings
    • Hinged floor opening cover with standard railing to leave only 1 exposed side, or
    • Removable railing with toeboard on not more than 2 sides, with fixed railing and toeboards on all other sides
  • Floor holes into which persons can accidentally walk
    • Standard railing/toeboard on all exposed sides, or
    • Hinged floor cover - when cover off, hole either attended or protected with removable standard railing

Floor Openings and Open Sides (continued)

TEXT VERSION OF SLIDE:

Title: Floor Openings and Open Sides (cont'd)
Type: Text Slide
Content:
  • Open-sided floors, platforms, runways, or walkways above or adjacent to dangerous equipment - regardless of height
    • Standard railing/toeboard
  • Open-sided floors, platforms, or runways 4 feet or more above adjacent levels
    • Standard railing/toe board on all open sides except entrances
    • Exception: runways not less than 18 inches wide used for special purposes may have railing on 1 side omitted where operations necessitate

Railing

TEXT VERSION OF SLIDE:

Title: Railing
Type: Text Slide
Content:
  • Standard railing
    • Top rail
    • Intermediate rail
    • Posts
    • Vertical height of 42 inches
    • Constructed to withstand a load of 200 pounds in any direction at any point on top rail
  • Stair railing
    • Vertical height of 30-34 inches from forward edge of tread

Toeboards

TEXT VERSION OF SLIDE:

Title: Toeboards
Type: Text Slide
Content:
  • Must be used with railings protecting floor openings, platforms, scaffolds, etc., whenever
    • Persons can pass beneath
    • There is moving machinery
    • There is equipment with which falling materials could cause a hazard
  • Must be at least 4 inches in height and made of any substantial material

Fixed Industrial Stairs

TEXT VERSION OF SLIDE:

Title: Fixed Industrial Stairs
Type: Text Slide
Content:
  • Flights with 4 or more risers must have:
    • Standard railing on all open sides
    • Handrails on at least 1 side of enclosed stairs
  • Must have uniform riser height and tread width
  • Must have a minimum width of 22 inches
  • Must be provided where:
    • Operations necessitate regular travel between levels
    • Routine access to operating equipment is needed
    • Daily, or at each shift, access to levels is needed where such work may expose employees to harmful substances or for which carrying tools or equipment by hand is normally required
  • Spiral strairways permitted only for special conditions

Portable Ladders

TEXT VERSION OF SLIDE:

Title: Portable Ladders
Type: Text Slide
Content:
  • Inspected frequently; defective ladders must be withdrawn from service and tagged "Dangerous, Do Not Use"
  • Stepladders - metal spreader or locking device
  • Non self-supporting ladders
    • Erected on sound base and placed to prevent slipping
    • Base of ladder placed a distance from wall 1/2 of length of ladder
  • Ladder used to gain access to a roof - top should extend at least 3 feet above point of contact

Fixed Ladders

TEXT VERSION OF SLIDE:

Title: Fixed Ladders
Type: Text Slide
Content:
  • Rungs
    • Minimum diameter 3/4 inch (metal) or 1-1/8 inch (wood)
    • 16 inches wide
    • Uniformly spaced no more than 12 inches apart
  • Cages, wells, or ladder safety devices for ladders affixed to towers, water tanks, or chimneys
    • Provided on all ladders over 20 feet
    • Landing platforms every 30 feet, unless there is no cage - then every 20 feet
    • Tops of cages to extend 42 inches above the top of landing, unless other protection provided, and bottoms to 7-8 feet above base of ladder
  • Side rails to extend 3-1/2 feet above landing





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