1. Accordance with Comprehensive Plan. The standards and requirements contained in this Code, and the district mapping reflected on the Hiawatha Zoning District Map, have all been made in accordance with the Comprehensive Plan for the City.
2. General Application. All buildings and structures erected hereafter, all uses of land or buildings established hereafter, all alterations or relocation of existing structures occurring hereafter and all enlargements of, additions to, changes in, and relocation of existing uses occurring hereafter shall be subject to all regulations of this Code which are applicable to the districts in which such buildings, structures, uses or land are located. Existing buildings, structures and uses in place on the date of the passage of this chapter which do not comply with the regulations of this Code shall be allowed to continue subject to the provisions of Section 165.70 of this Code relating to nonconforming uses.
3. Conversion of Use or Building. The conversion of any use or building either to another use or to increase the size or area of the existing use, including the conversion of any building or the conversion of any dwelling to accommodate an increased number of dwelling units, families, or residents, shall be permitted only within a district in which a new building for similar occupancy would be permitted under this Code, and only when the resulting occupancy will comply with the requirements in such district, with respect to minimum lot size, lot area per dwelling unit, percentage of lot coverage, dimensions of yards and other open spaces, height, floor area ratio, off-street parking and any other applicable requirements, except as may be allowed by the provisions of Section 165.70.
4. Building Permits Issued Prior to Effective Date of Chapter. Where a building permit for a building or structure has been issued in accordance with law prior to the effective date of this chapter, and provided that construction is begun within six months of such effective date and diligently prosecuted to completion, said building or structure may be completed in accordance with the approved plans on the basis of which the building permit has been issued, and further may, upon completion, be occupied under a Certificate of Occupancy by the use for which originally designated even if said building or structure is nonconforming under the terms of this Code.