Counter tops that contain sinks and cooking units shall provide a minimum of 15 inches (15" = 381mm) of clear countertop on at least one side of the cooking unit and on at least one side of the sink and shall have a clear space underneath that complies with 521 CMR 32.6, Kneespace. Countertops shall be mounted no higher than 34 inches (34" = 864mm) above the finish floor. See Fig. 32a.
521 CMR, § 32.2