Ramps that change direction between runs at landings shall have a clear landing 60 inches (1525 mm) minimum by 72 inches (1829 mm) minimum in the direction of downward travel from the upper...
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11B-405.7.4 Change in direction
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Transfer Surface Size – M302.2.2 Seated Position
The Subcommittee discussed the width and agreed on a 21 inch minimum width based on anthropometric data and industry human factors experience....
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2.2.2 Structural Anthropometry (i.e. Body and WhMD Dimensions)
Lateral most point, left (arm, leg, WhMD or accessory) Used to measure Occupied Width....
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11B-406.6 Islands
The clear width of the accessible route at islands shall be 60 inches (1524 mm) wide minimum. Where curb ramps are provided, they shall comply with Section 11B-406....
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T-Shaped Space: ADA Standard Section 304.3.2
Section 304.3.2 covers the current ADA Standards for t-shaped turning space.
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11B-703.7.2.7 Pedestrian traffic-control buttons
Pole-supported pedestrian traffic-control buttons shall be identified with color coding consisting of a textured horizontal yellow band 2 inches (51 mm) in width encircling the pole, and...
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11B-206.2.19 Pedestrian street crossings
The curb ramp (excluding any flared sides) or blended transition shall be contained wholly within the width of the pedestrian street crossing served....
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11B-304.3.2 T-Shaped space
Each arm of the T shall be clear of obstructions 12 inches (305 mm) minimum in each direction and the base shall be clear of obstructions 24 inches (610 mm) minimum....
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11B-1009.2.6 Footrests and armrests
The armrest positioned opposite the water shall be removable or shall fold clear of the seat when the seat is in the raised (load) position....
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Conclusions
Our findings support those dimensions but also suggest that the width could be reduced to 28 in. Our analysis based on static anthropometry measurements....
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Length: ADA Standard Section 405.7.3
Section 405.7.3 covers the current ADA Standards for the required length of ramp landings.
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11B-405.7.3 Length
The landing clear length shall be 60 inches (1524 mm) long minimum....
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5.2.3 Transfer Surface Measurement Recommendation for M301 and M302
5.2.3 Transfer Surface Measurement Recommendation for M301 and M302 Description: The transfer surface size standard has two components: width and depth....
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Fire Safety Evacuation Planning
These devices are designed with rollers, treads, and braking mechanisms that enable a person to be transported down stairs with the assistance of another person....
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Three-Point Turn
three-point turn width required by bicyclists was 287 cm (113 inches)....
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Toilet Buildings and Pit Toilets
Of the required width of clear floor space, ensure that only 16 to 18 inches (405 to 455 millimeters) is on one side of the centerline of the riser; the rest must be on the other side....
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Accessible Pathway & Corridor: Minimum Clear Floor Space Required for 360-degree Turn
This data depicts the amount of space required by users of wheeled mobility devices to perform a 360-degree turn. The bold dashed line in the table and figure indicates the...
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Portable Floor Lifts
A low height, adjustable width base permits the lift to be positioned at the end of the examination table Assisted Transfer Utilizing Both a Portable Floor Lift and Movable Exam...
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11B-705.1.2.2.1 Perpendicular curb ramps
Detectable warnings shall extend the full width of the ramp run less 2 inches (51 mm) maximum on each side, excluding any flared sides....
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11B-404.2.4 Maneuvering clearances
Maneuvering clearances shall extend the full width of the doorway and the required latch side or hinge side clearance. Exception: Reserved....
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Dune Crossings [1018.10]
When a dune crossing is part of a beach access route, the clear width of the beach access route may be reduced from a minimum of 60 inches to a minimum of 48 inches....
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Comparison: 2010 and 1991 ADA Standards for Accessible Design - Scoping Requirements
., Door opening shall provide clear width of 32 inches minimum, Thresholds shall be ½ inch high maximum....
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11B-703.5.4 Character proportions
Characters shall be selected from fonts where the width of the uppercase letter “O” is 60 percent minimum and 110 percent maximum of the height of the uppercase letter “I”....
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11B-703.2.4 Character proportions
Characters shall be selected from fonts where the width of the uppercase letter “O” is 60 percent minimum and 110 percent maximum of the height of the uppercase letter “I”....