(A) The provisions of the IRC 2015 for one- and two-family dwellings shall apply to the construction, alteration, movement, enlargement, replacement, repair, equipment, use and occupancy, location, removal and demolition of detached one- and two-family dwellings and townhouses not more than three stories above grade plane in height with a separate means of egress and their accessory structures. See § 152.046 relating to accessory structures.
(1) Exceptions.
(a) Live/work units located in townhouses and complying with the requirements of Section 419 of the International Building Code shall be permitted to be constructed in accordance with the 2015 IRC for one- and two-family dwellings. If fire suppression is installed as described by Section 419.5 of the 2015 International Building Code where constructed under the 2015 IRC for one- and two-family dwellings shall conform to NFPA 13.
(b) Owner-occupied lodging houses with five or fewer guestrooms shall be permitted to be constructed in accordance with the 2015 IRC for one- and two- family dwellings where equipped with a fire sprinkler system in accordance with NFPA 13.
(B) General. Where there is a conflict between a general requirement and a specific requirement, the specific requirement shall be applicable. Where, in any specific case, different sections of this code specify different materials, methods of construction or other requirements, the most restrictive shall govern.
(C) Other laws. The provisions of this code shall not be deemed to nullify any provisions of local, state or federal law.
(D) Referenced codes and standards. The codes and standards referenced in this chapter shall be considered part of the requirements of this chapter to the prescribed extent of each such reference and as further regulated as follows:
(1) Exception. Where enforcement of a code provision would violate the conditions of the UL listing of the equipment or appliance, the conditions of the listing and manufacturer's instructions shall apply.
(2) Conflicts. Where conflicts occur between provisions of this chapter and referenced codes and standards, the provisions of this chapter shall apply.
(3) Provisions in referenced codes and standards. Where the extent of the reference to a referenced code or standard includes subject matter that is within the scope of this chapter, the provisions of this chapter, as applicable, shall take precedence over the provisions in the referenced code or standard.
(E) Appendices. Applicable appendices are established herein.
(F) Partial invalidity. In the event any part or provision of this chapter is held to be illegal or void, this shall not have the effect of making void or illegal any of the other parts or provisions.
(G) Existing structures. The legal occupancy of any structure existing on the date of adoption of this chapter shall be permitted to continue without change, except as is specifically covered in this chapter.
(1) Additions, alterations or repairs to any structure shall conform to the requirements for a new structure without requiring the existing structure to comply with this chapter unless otherwise stated.
(2) Additions, alterations, repairs and relocations shall not cause an existing structure to become unsafe or adversely affect the performance of the building.
(Ord. 19-12-15, passed 12-17-2019)