Except as hereinafter added to, deleted, modified or amended, there is hereby adopted as the Building Code of the City that certain Building Code known as the International Building Code, 2021 Edition including Appendix N: Replicable Buildings, and International Residential Code, 2021 Edition Chapters 2 through 10, including Appendix AF: Radon Control Methods and Appendix AQ: Tiny Houses. The provisions of said Building Code shall be controlling in the construction of buildings and other structures and in all matters covered by said Building Code within the corporate limits of the City and shall be known as the Hiawatha Building Code.