(A) Applicability. This subchapter shall apply to all land disturbing activity, including new development and subdivision, proposed on:
(1) Properties that contain slopes of 20% or greater (“steep slopes”); or
(2) Properties that contain soils rated as “unstable” on Core Graphic 5.
(B) Land disturbing activity. Land disturbing activity includes the following:
(1) Clearing of more than 5,000 square feet of forested area for development;
(2) Grading, excavation, construction of foundations, footings or retaining walls, or alteration of the ground surface, except for activities defined as agricultural operations in KRS 224.71-100 through 224.71-140; and
(3) The installation of utilities, including, but not limited to, water, sewer, natural gas, electric, telephone, and cable.
(LDC § 4.7.2)