At the bottom of a stair flight, handrails shall extend at the slope of the stair flight for a horizontal distance at least equal to one tread depth beyond the last riser nosing....
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505.10.3 Bottom Extension at Stairs
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§ 38.101(b)
lights which, when the door is open, provide at least 1 footcandle of illumination on the station platform surface for a distance of 3 feet perpendicular to all points on the bottom step tread...
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§ 38.157(b)
shall have outside light(s) which, when the door is open, provide at least 1 foot-candle of illumination on the pathway to the door for a distance of 3 feet (915 mm) to the bottom step tread...
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505.10.3 Bottom Extension at Stairs
At the bottom of a stair flight, handrails shall extend at the slope of the stair flight for a horizontal distance at least equal to one tread depth beyond the last riser nosing....
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Trail Constructed Feature
A constructed feature that functions as part of the trail tread. Examples include puncheon, trail bridges, boardwalks, waterbars, and switchbacks....
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§ 38.119(b)
lights which, when the door is open, provide at least 1 foot-candle of illumination on the station platform surface for a distance of 3 feet perpendicular to all points on the bottom step tread...
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§ 38.81(c)
have outside lights which provide at least 1 foot-candle of illumination on the station platform or street surface for a distance of 3 feet perpendicular to all points on the bottom step tread...
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Passing Spaces on Trails
A 60-inch (1,525-millimeter) clear tread width is required for two wheelchairs to pass safely and comfortably on a trail....
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Cross Slope
Cross Slope—The percentage of rise to length when measuring the trail tread from edge to edge perpendicular to the direction of travel....
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1017.10 Trailhead Signs
This section requires trail information signs at trailheads to include information on the length of the trail or trail segment; surface type; typical and minimum tread width; typical and...
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§ 38.31(c)
have outside light(s) which, when the door is open, provide at least 1 foot-candle of illumination on the street surface for a distance 3 feet (915 mm) perpendicular to the bottom step tread...
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Escalators
The original ADAAG contained a requirement that at least two contiguous treads be level beyond the comb plate at the top and bottom before risers begin to form (ADAAG 10.3.1(16))....
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Maintenance (Trail Terminology)
debris and vegetation, such as fallen trees or broken branches on the trails, clearing the trail of encroaching brush or grasses, and removing rock slides Maintaining trail tread...
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1009.5.4 Transfer Steps
The surface of the bottom tread shall extend to a water depth of 18 inches (455 mm) minimum below the stationary water level. Advisory 1009.5.4 Transfer Steps....
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11B-1009.5.4 Transfer steps
The surface of the bottom tread shall extend to a water depth of 18 inches (457 mm) minimum below the stationary water level. [2010 ADAS] Advisory 1009.5.4 Transfer Steps....
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11B-1009.5.4 Transfer steps
The surface of the bottom tread shall extend to a water depth of 18 inches (457 mm) minimum below the stationary water level. Advisory 11B-1009.5.4 Transfer steps....
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210 and 504 Stairways
210.1 and 504, require all newly constructed stairs that are part of a means of egress to comply with the requirements for accessible stairs, which include requirements for accessible treads...
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1017.1 General
The technical requirements address the surface of the trails, passing spaces, and resting intervals (1017.2); the clear tread width of trails (1017.3); passing spaces (1017.4); tread obstacles...
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1009.5.4 Transfer Steps
The surface of the bottom tread shall extend to a water depth of 18 inches (455 mm) minimum below the stationary water level. Advisory 1009.5.4 Transfer Steps....
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Instrumentation for Analysis
on-site inspection form (Appendix C) was created to collect data on the 11 trail segments including Rotational Penetrometer readings, inspection location in feet from trailhead, ruts, tread...
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Accessible Pool Stairs
ADAAG provisions for stairs include the requirement that all steps have uniform riser heights and uniform tread widths of not less than 11 inches, measured from riser to riser....
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Maintenance
Maintaining trail tread and access routes, such as filling ruts, reshaping a trail bed, replacing or reshaping surfacing material, repairing washouts, installing riprap to retain cut and...
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4.9.4 HANDRAILS
Figure 19 Stair Handrails (2) If handrails are not continuous, they shall extend at least 12 in (305 mm) beyond the top riser and at least 12 in (305 mm) plus the width of one tread...
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11B-1009.5.4 Transfer steps
The surface of the bottom tread shall extend to a water depth of 18 inches (457 mm) minimum below the stationary water level. [2010 ADAS] Advisory 1009.5.4 Transfer Steps. ...