1. In accordance with the Pennsylvania Public Utility Commission Investigation Docket No. 99, as amended from time to time, all electric utility distribution lines shall be installed underground in subdivisions or land developments of five or more dwelling units. In addition, the following design requirements shall be observed:
A. Established public utility and state and federal governmental agency design standards shall be observed in preparing the utility plan;
B. Utility lines to be installed within street rights-of-way shall be located according to Township or authority requirements;
C. Whenever practicable, telephone and cable TV utilities shall be installed underground in connection with the installation of electric utility distribution lines;
D. Street lighting, where required, shall be provided at each intersection of the development and at intervals not to exceed 350 feet between intersections;
E. Utility lines shall be installed after rough grading of roads, curbs, sidewalks and driveways has been established. Utility lines shall be installed according to their depth, with the utility line installed at the greatest depth being installed first.