No building, structure or part thereof shall be erected, razed, moved, extended, enlarged, altered or demolished unless and until a permit has been granted by the Building Inspector. Application shall be filed in triplicate with the Building Inspector by the owner or his/her agent and shall state the intended use of the structure and the land. The application shall be accompanied by detailed plans and specifications; and new buildings or additions to buildings shall be accompanied by a plot plan showing finished grades, existing grades, open spaces, the established building lines within the block upon which the land is located and such other information as may be required to show that the proposed building or other structure shall comply with all the requirements of this chapter for the zone district in which the premises is located. The plan shall be drawn to scale and shall show actual dimensions and fixtures. All plans, specifications and plot plans shall be signed by a licensed architect or a licensed professional engineer of the State of New Jersey, provided, however, that the owner shall file an affidavit to that effect with the plans. A plot plan, but only a plot plan, may be prepared and certified by a licensed land surveyor of the State of New Jersey.