All easements shall conform to the following standards of design:
(A) Utility easements. An easement for utilities, at least ten feet wide, may be required along any lot line or across lots whenever necessary to provide for extension of utility lines. (See division (E) below for exception for utilities serving urban infill.)
(B) Slope easements. Whenever a proposed subdivision affects an existing or proposed road in such a way that will necessitate cuts and fills in adjoining property, slope easements on such adjoining property shall be required.
(C) Sewer and drainage easement. Whenever necessary, sewer and drainage easements shall be provided in accordance with the MSD Design Criteria.
(D) Flood plain easement. Whenever necessary, floodplain easement shall be provided in accordance with the MSD design criteria.
(E) Exception. Major residential subdivisions in the traditional neighborhood form district and having lots that are served by alleys shall provide a common utility easement that parallels the alley and includes periodic extensions of the easement to accommodate transformers and pedestals. The frequency of periodic easement extensions shall be determined by the appropriate utility agency/agencies. (See figure below.)
(LDC § 7.3.40) Penalty, see § 155.999