158.14   CONSTRUCTION DOCUMENTS.
The Building Official shall require construction documents, computations and specifications to be prepared by a registered design professional licensed by the State to practice such.
1.   Construction documents, engineering calculations, diagrams and other data shall be submitted in two or more sets with each application for a permit.   
2.   Construction documents shall be drawn to scale and shall be of sufficient clarity to indicate the location, nature and extent of the work proposed and show in detail that the work conforms to the provisions of this code.   
3.   Construction documents shall indicate location and clear space of electrical equipment, and the material and methods for maintaining required structural safety, fire-resistance rating and fireblocking.   
Exceptions.
1.   The Building Official shall have the authority to waive the submission of construction documents, calculations or other data if the nature of the work applied for is such that reviewing of construction documents is not necessary to determine compliance with this code.   
2.   In the case of one and two family dwellings.   
3.   In the case of minor construction and repair.   
4.   In the case of accessory buildings when related to one and two family dwellings.