All applications for building permits shall be accompanied by plans which have been drawn to scale showing the actual dimensions of the lot to be built upon, the size and location of existing buildings and as required, the location and layout of off-street parking and a planting plan showing how the premises will be landscaped. A careful record of such application shall be kept in the office of the Zoning Administrator for a period of five years from the date of receipt thereof. (Prior code § 27-25-2)