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The 2018 Edition of the International Residential Code (IRC), as adopted and amended by the State Building Code Council in Chapter 51-51 WAC, as published by the International Code Council, is adopted by reference with the following additions, deletions and exceptions. Provided, that Chapter 1, Part 2, Administration and Enforcement, is not adopted and the Construction Administrative Code, as set forth in Chapter 17.14 MICC, shall be used in place of IRC Chapter 1, Part 2, Administration and Enforcement. Provided, that Chapters 11 and 25 through 43 of the International Residential Code are not adopted. Provided, that the energy code is regulated by Chapter 51-11R WAC; the plumbing code is regulated by Chapter 51-56 WAC; the electrical code is regulated as adopted by MICC 17.13.020. Provided, that the standards for liquefied petroleum gas installations shall be 2017 NFPA 58 (Liquefied Petroleum Gas Code) and 2018 NFPA 54 (National Fuel Gas Code). Provided, that all other fuel gas installations shall be regulated by the International Mechanical Code and International Fuel Gas Code. Provided, that Appendix F, Radon Control Methods, Appendix Q, Tiny Homes, and Appendix U, Dwelling Unit Fire Sprinkler Systems, and Appendix V, Fire Sprinklers, are adopted. The codes, appendices, and standards set forth in this chapter shall be filed with the city clerk and a copy made available for use and examination by the public, pursuant to RCW 35A.12.140.

Exceptions. The provisions of this code do not apply to temporary growing structures used solely for the commercial production of horticultural plants including ornamental plants, flowers, vegetables, and fruits. “Temporary growing structure” means a structure that has the sides and roof covered with polyethylene, polyvinyl, or similar flexible synthetic material and is used to provide plants with either frost protection or increased heat retention. A temporary growing structure is not considered a building for purposes of this code.

The provisions of this code do not apply to the construction, alteration, or repair of temporary worker housing except as provided by rule adopted under Chapter 70.114A RCW or Chapter 37, Laws of 1998 (SB 6168). “Temporary worker housing” means a place, area, or piece of land where sleeping places or housing sites are provided by an employer for his or her employees or by another person, including a temporary worker housing operator, who is providing such accommodations for employees, for temporary, seasonal occupancy, and includes “labor camps” under RCW 70.54.110. (Ord. 21C-01 § 1 (Exh. A); Ord. 17C-01 § 2; Ord. 16C-04 § 2; Ord. 13C-06 § 2; Ord. 10C-03 § 2; Ord. 07C-04 § 3; Ord. 04C-12 § 4).