Dumpsters and portable storage units shall be placed either on vacant private property or located on the side yard or back yard of any existing building on private property. Should the applicant require or request placement in the front yard of a building on private property, said application shall be treated as the same as an application under Subsection c3 below. If a permit extension has been granted and the applicant applies for a further extension or applies for an additional dumpster permit during the same calendar year at the same site, that application must be made to, and granted by, the Borough Council, and the fee for such extension or application shall be $50. The permit shall be prominently displayed in a window of the residence facing the street, or in a window of the construction trailer or shed, if any.