Chapter 14 of the Oklahoma adopted IMC® 2018 has been adopted with the following modification: Section 1402.8.3 Piping has been modified to correct errata published by the ICC®. The modification changes a specified chapter from "10" to "12." This section has been modified to read: 1402.8.3 Piping. Potable piping shall be installed in accordance with the International Plumbing Code®. Hydronic piping shall be installed in accordance with Chapter 12 of this code. Mechanical system piping shall be supported in accordance with Section 305.
Okla. Admin. Code § 748:20-14-19