An applicant shall provide sidewalks where their production is in accord with proper design of his project, consistent with prevailing community standards in the area in which the applicant's project is located and consistent with aesthetic principles.
Sidewalks shall be required at the reviewing board's discretion depending on the probable value of pedestrian traffic, the street classification in instances where streets are involved, school bus stops, the development's location in relation to other populated areas, and the general type of improvement intended. Where required, sidewalks shall be at least four feet wide and located as approved by the approving authority. Sidewalks shall be at least four inches thick, except at points of vehicular crossing where they shall be at least six inches thick, having a twenty-eight-day compressive strength of 4,500 psi, and shall be air-entrained.