A tread obstacle is anything that interrupts the evenness of the tread surface. On trails, tread obstacles often occur as a result of ruts, roots, and rocks in the tread surface....
Search Results "Clear Tread Width"
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Tread Obstacles on Trails
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C1-c
C1-c. Is the accessible route at least 36 inches wide? [ADA Standards § 4.3.3] Yes No If No, does the accessible route narrow to 32 inches for no more than 2 feet?
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Accessible Route to Parking
The proposed rule removed language in the original ADAAG that vehicles parked in accessible spaces not reduce the clear width of connecting accessible routes....
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Caution regarding minimum Aisle Widths for aisles that serve "elements on both sides"
As a heads up, care should be taken in applying the technical aspects of 11B-403.5.1, Exception 4 re: minimum aisle width in California....
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3.3.11 180-Degree Turn
3.3.11 180-Degree Turn The mean width required for all participants to complete a 180-degree turn in our sample was smaller than the UDI findings (Figure 3‒10), but our 95th percentile...
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504.2 Treads and Risers
504.2 Treads and Risers. All steps on a flight of stairs shall have uniform riser heights and uniform tread depths....
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11B-504.4 Tread surface
Stair treads shall comply with Section 11B-302. Changes in level, slopes exceeding 1:48, and detectable warnings shall not be permitted. Exception: Reserved....
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T502.3.1 Clear Width
Doorways shall provide a clear opening of 32 inches (810 mm) minimum....
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Trail Tread
The portion of a trail upon which traffic moves.
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Wheelchair Accessible Gates
Web sites with designs that allow wheelchair access while restricting access by ATVs and motorcycles are listed near the end of this tech tip. The best Web site was that of Scottish...
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DSA-AC definition
Mr. Woosley, DSA-AC's definition of the "AISLE" seems to clearly include those merchandise aisles and even aisles within dining facilities. Is there still a room for...
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504.2 Treads and Risers
All steps on a flight of stairs shall have uniform riser heights and uniform tread depths. Risers shall be 4 inches (100 mm) high minimum and 7 inches (180 mm) high maximum....
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504.2 Treads and Risers
All steps on a flight of stairs shall have uniform riser heights and uniform tread depths. Risers shall be 4 inches (100 mm) high minimum and 7 inches (180 mm) high maximum....
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Inclusion Solutions Offset Door Hinge
These special hinges are designed to swing the door clear of the opening, adding about 2" additional clearance for wheelchairs and walkers....
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1130A.2 Width
1130A.2 Width. The accessible route into and throughout covered multifamily dwelling units shall be at least 36 inches (914 mm) wide....
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404.2.3 Clear Width
404.2.3 Clear Width. Door openings shall provide a clear width of 32 inches (815 mm) minimum....
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D2. Clear Passage
Does at least one door or one side of a double leaf door at the accessible entrance provide at least 32 inches clear passage width when the door is open 90 degrees?...
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Landings: ADA Standard Section 406.4
Section 406.4 covers the current ADA Standards for curb ramp landings.
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404.2.3 Clear Width
Door openings shall provide a clear width of 32 inches (815 mm) minimum....
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B. Measuring Clear Passage at Doors
Verifying the clear passage width at standard hinged doors requires an understanding of exactly where to measure....
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404.2.3 Clear Width
Door openings shall provide a clear width of 32 inches (815 mm) minimum....
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Ground-Level Accessible Routes
Ground-Level Accessible Routes A ground-level accessible route connects play components at ground level. 60 inches (1525 mm) minimum clear width 1:16 maximum slope ...
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R302.4 Passing Spaces
Where the clear width of pedestrian access routes is less than 1.5 m (5.0 ft), passing spaces shall be provided at intervals of 61 m (200.0 ft) maximum....
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4.9.2 Treads and Risers
On any given flight of stairs, all steps shall have uniform riser heights and uniform tread widths....
