The Uniform Plumbing Code, 2018 Edition, published by the International Association of Plumbing and Mechanical Officials, together with the additions, deletions and exceptions as set forth in Chapter 51-56 WAC, are hereby adopted by this reference and incorporated herein as if set forth in full as the Plumbing Code for the City, except such portions as may be deleted, modified or amended by this chapter.

The Building Official may use the appendices for guidance in interpreting and administering the Plumbing Code and the provisions of this chapter. Further, the following appendix chapters are specifically adopted: