Tag Archives: California ADA

Elevators

Centerline of hall call buttons to be 42” AFF. CBC 1116B.1.10 ADAAG 4.10.3 Provide visual and audible signal at each hoistway entrance indicating direction of travel. Visual signal to be 2-1/2” x 2-1/2” & visible from proximity of hall call … Continue reading

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Stair Treads / Risers

Stair treads to be no less than 11”.  Risers to be 7” max. & 4” min. CBC 1133B.4.5

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Wheelchair Turning Space

Min. clear wheelchair turning width is 60” dia. circle or a “T” shaped space. CBC 1118B.1 ADAAG 4.2.3

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Door Closers

Door closers to be adjusted to close from an open position of 70 degrees in not less than 3 seconds to a point 3” from the latch. CBC 1133B.2.5.1 ADAAG 4.13.10

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Doors – Clear Width

Exit doors to be 3’-0”x6’-8”.  Min. clear width of accessible doors to be 32” when door is open 90 deg. Exception:  Doors not requiring full user passage, such as shallow closets, may have clear opening reduced to 20”. CBC 1133B.2.2 … Continue reading

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Ramps

Handrails not required on ramps less than 6” in rise or 72” in length.  Handrails to be placed on each side or ramp, 34” – 38” above ramp surface and extend 1’-0” min. beyond the top and bottom of the … Continue reading

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Curb Ramps – Detectable Warning

Curb ramps to have detectable warning extending the full width and depth of the curb ramp, excluding flared sides, inside grooved border.  Note: DSA IR 11B-4 indicates that a detectable warning 36” wide in direction of travel for full width … Continue reading

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Parking

Accessible parking spaces to be  9’-0” wide with adjacent 5’-0” wide aisle on passenger side.  Perimeter of access aisle to be painted blue.  Within border hatched lines at 36” on center.  “NO PARKING” to be painted in each access aisle … Continue reading

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Detectable Warnings

If walk crosses or adjoins a vehicular way, and walking surface is not separated from vehicular areas with curbs, railings or other elements, the boundary between the areas to be defined by a continuous detectable warning which is 36” wide. … Continue reading

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Squeaky Wheelchair Gets the Grease

This is an audio file from a terrific segment that appeared on NPR / This American Life, on 9/24/10 about ADA enforcement in California.   Squeaky_Wheelchair

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