No land development, or alteration of land, including but not limited to trenching, excavation, topsoil removal, or tree removal shall be undertaken without the approval of the Department of Planning and Redevelopment, except for said activities that affect less than 10% of the lot area, or activity which is associated with work authorized by the Division of Zoning and Code Enforcement for which a permit has been issued.

Site activities other than those exempted will require the submission of a site plan to the Department of Planning and Redevelopment which details measures for stormwater management, erosion and sediment control, existing and proposed topography, paved areas, flood zone information and boundary lines and markers.