Fixtures & Water HeatersQuestion 203 of 360

An accessible lavatory must provide knee and toe clearance underneath. The minimum height of the knee clearance space at the front edge is typically:

a.24 inches
b.27 inches
c.34 inches
d.40 inches

Explanation

An accessible lavatory generally requires about 27 inches of clear knee height at the front edge, with the rim mounted no higher than 34 inches. Exposed hot water and drain piping beneath must be insulated or otherwise protected. These clearances let a wheelchair user roll under the fixture.

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