An application for a building permit for a new or altered use of land or of a structure or for construction, addition, reconstruction or relocation of a building shall be made by the owner or their agent, in writing, on a form approved by the Building Inspector, and shall be accompanied by two copies of a plot plan showing the site, and size and shape of the lot, the names of the owners of record, the exact location of existing streets and buildings or structures, and proposed buildings, structures or additions thereto. The Building Inspector shall send one copy of the plot plan and application to the Planning Board.