Openings in the clear ground space and turning space surface shall not allow passage of a sphere more than 1/2 inch (13 mm) diameter....
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  3.4.7 Openings
  
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  11B-403.5 Clearances
  
Walking surfaces shall provide clearances complying with Section 11B-403.5....
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  11B-403.5 Clearances
  
Walking surfaces shall provide clearances complying with Section 11B-403.5....
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  11B-809.10.8.7 Mirrors and towel bars
  
Where mirrors are provided the bottom edge of the reflective surface shall be 40 inches (1016 mm) maximum above the finish floor....
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  3.13(a) Placement of Wheelchair Spaces
  
Placement of Wheelchair Spaces Each wheelchair space shall comply with the size requirements set forth in § 4.33.2 of the Standards, be level and satisfy the floor surface requirements...
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  1009.2.4 Seat Height
  
The height of the lift seat shall be designed to allow a stop at 16 inches (405 mm) minimum to 19 inches (485 mm) maximum measured from the deck to the top of the seat surface when in the...
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  Landings
  
Landings Landings are the level surfaces at the top and bottom of each ramp run....
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  505.10.2 Top Extension at Stairs
  
Extensions shall return to a wall, guard, or the landing surface, or shall be continuous to the handrail of an adjacent stair flight....
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  1132A.4, Item 1
  
., concrete, brick, flagstone) serving primary entry doors and required exit doors are limited to not more than ½ inch (12.7 mm) of change in height between floor surfaces....
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  Eliminating Hazards [4.26.4]
  
Eliminating Hazards [4.26.4] Handrails, grab bars, and adjacent surfaces cannot have any sharp or abrasive elements....
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  2.9.1 Natural Elements
  
However, safety regulations or Forest Service construction and maintenance standards may define clear space and limit the allowable extension of natural protruding objects over the ORAR surface...
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  Beach Access Route
  
A continuous, unobstructed path designed for pedestrian use that crosses the surface of a beach or that leads from a pedestrian access point to the high tide level at tidal beaches; mean...
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  505.10.2 Top Extension at Stairs
  
Extensions shall return to a wall, guard, or the landing surface, or shall be continuous to the handrail of an adjacent stair flight....
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  1132A.4, Item 1
  
., concrete, brick, flagstone) serving primary entry doors and required exit doors are limited to not more than ½ inch (12.7 mm) of change in height between floor surfaces....
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  11B-505.10.2 Top extension at stairs
  
Extensions shall return to a wall, guard, or the landing surface, or shall be continuous to the handrail of an adjacent stair flight. ...
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  11B.707.7.1.3 Horizontally mounted display screen
  
60 degrees to 90 degrees (horizontal) from vertical, the center line of the display screen and other display devices shall be no more than 34 inches (864 mm) above the floor or ground surface...
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  11B-505.10.2 Top extension at stairs
  
Extensions shall return to a wall, guard, or the landing surface, or shall be continuous to the handrail of an adjacent stair flight....
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  11B-404.2.9 Door and gate opening force
  
and the centerline of the second push plate shall be 30 inches (762 mm) minimum and 44 inches (1118 mm) maximum above the floor or ground surface....
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  Getting From Here to There—Outdoor Recreation Access Routes
  
Design outdoor recreation access routes to meet technical requirements for running and cross slopes, resting intervals, surface, clear tread width, passing spaces, tread obstacles, protruding...
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  4.2 Stretchers
  
The second feature is the patient support surface (mattress), which is currently purchased separately from the stretcher deck....
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  Bonded Bridle Path Installation
  
The same two binder systems used to fabricate the beach path surface (Soil-Sement and Vitri-Turf) were used for the bridle path trials....
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  Protruding Objects and Outdoor Recreation Access Routes
  
width area of an outdoor recreation access route, resting interval, or passing space and that are between 27 inches (685 millimeters) and 80 inches (2,030 millimeters) above the travel surface...
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  SIDEWALK
  
[DSA-AC] A surfaced pedestrian way contiguous to a street used by the public. (As differentiated from the definition of “Walk”.) Advisory Definition of SIDEWALK. ...
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  405.9.2 Curb or Barrier
  
curb or barrier shall be provided that prevents the passage of a 4 inch (100 mm) diameter sphere, where any portion of the sphere is within 4 inches (100 mm) of the finish floor or ground surface...