National Kitchen & Bath Association - Kitchen & Bathroom Planning Guidelines with Access Standards
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10: Cleanup/Prep Sink Placement

Recommended:
If a kitchen has only one sink, locate it adjacent to or across from the cooking surface and refrigerator.

Code Requirement:
State or local codes may apply.


Access Standard

Recommended:
Plan knee spaces at the sink to allow for a seated user. Recommended minimum size for a knee space is 36” wide x 27” high x 8” deep, increasing to 17” deep in the toe space, which extends 9” from the floor. Insulation for exposed pipes should be provided.

Code Reference:

  • The sink should be no more than 34” high or adjustable between 29” and 36”. (ANSI 117.1.1002.4.2)
  • The sink bowl should be no more than 6 1/2” deep (ANSI 117.1 1002.12.4.3).
  • Exposed water supply and drainpipes under sinks should be insulated or otherwise configured to protect against contact. There should be no sharp or abrasive surfaces under sinks. (ANSI A117.1 606.6)

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