Space beyond this depth is not usable.
Ada sink reach requirements.
If the clear floor space only allows forward approach to an object the maximum high forward reach allowed shall be 48 in 1220 mm.
If you must reach over an obstruction such as a counter a drinking fountain or other element using a forward approach a knee space is required.
Both the reach depth and the knee and toe space depth are limited to 25 measured from the leading edge of obstructions.
Knee clearance that is at least 27 in 685 mm high 30 in 760 mm wide and 19 in 485 mm deep shall be provided underneath sinks.
4 24 2 height sinks shall be mounted with the counter or rim no higher than 34 in 865 mm above the finish floor.
And it will be considered accessible.
The ada home page provides access to americans with disabilities act ada regulations for businesses and state and local governments technical assistance materials ada standards for accessible design links to federal agencies with ada responsibilities and information updates on new ada requirements streaming video information about department of justice ada settlement agreements.
In a space with a kitchen sink but no cooktop or conventional range a parallel approach is allowed to the sink by section 606 2 exception 1 of the ada guidelines.
And the 2004 adaag at 36 cfr part 1191 appendices b and d.
Faucets should be lever operated push touch or electronically controlled.
Sink drains are located at the rear instead of the middle.
Compliance date for title ii.
If a knee space is provided and the object that you are reaching for is located no more than 20 from the edge of the counter the object must be mounted no higher than 48 a f f.
If the high forward reach is over an obstruction reach and clearances shall be as shown in here under.
The minimum low forward reach is 15 in 380 mm.
Where the reach depth exceeds 20 inches 510 mm the high forward reach shall be 44 inches 1120 mm maximum and the reach depth shall be 25 inches 635 mm maximum.
The high forward reach shall be 48 inches 1220 mm maximum where the reach depth is 20 inches 510 mm maximum.
This facilitates access since a forward reach does not extend far beyond the toes.
In the few places where requirements between the two differ the requirements of 28 cfr 35 151 prevail.
It is also important to know that countertops in such spaces must be no higher than 34 and no deeper than 24.
Sinks required to be accessible by 4 1 shall comply with 4 24.
State and local government facilities must follow the requirements of the 2010 standards including both the title ii regulations at.
You also need a clear floor space and insulated pipes under the sink.