Building permits required. Except as otherwise provided in Subsection
B of this section, a building permit shall be required for any work which must conform to the Uniform Code and/or the Energy Code, including, but not limited to, the construction, enlargement, alteration, improvement, removal, relocation or demolition of any building or structure, or any portion thereof, and the installation of a solid-fuel-burning heating appliance, chimney or flue in any dwelling unit. No person shall commence any work for which a building permit is required without first having obtained a building permit from the Code Enforcement Officer.