WSR 17-17-159
PERMANENT RULES
BUILDING CODE COUNCIL
[Filed August 23, 2017, 10:10 a.m., effective October 1, 2017]
Effective Date of Rule: October 1, 2017.
Purpose: To clarify the intent, within the International Mechanical Code, that the occupancies previously classified as Group R but changed to Group I-1, Condition 2 under the 2015 edition, should still be treated as residential occupancies rather than institutional occupancies.
Citation of Rules Affected by this Order: Amending WAC 51-52-0101.
Statutory Authority for Adoption: RCW 19.27.031, 19.27.074.
Other Authority: Chapters 19.27 and 34.05 RCW.
Adopted under notice filed as WSR 17-13-056 on June 15, 2017.
Number of Sections Adopted in Order to Comply with Federal Statute: New 0, Amended 0, Repealed 0; Federal Rules or Standards: New 0, Amended 0, Repealed 0; or Recently Enacted State Statutes: New 0, Amended 0, Repealed 0.
Number of Sections Adopted at the Request of a Nongovernmental Entity: New 0, Amended 0, Repealed 0.
Number of Sections Adopted on the Agency's own Initiative: New 0, Amended 1, Repealed 0.
Number of Sections Adopted in Order to Clarify, Streamline, or Reform Agency Procedures: New 0, Amended 1, Repealed 0.
Number of Sections Adopted using Negotiated Rule Making: New 0, Amended 0, Repealed 0; Pilot Rule Making: New 0, Amended 0, Repealed 0; or Other Alternative Rule Making: New 0, Amended 0, Repealed 0.
Date Adopted: August 23, 2017.
Steve K. Simpson
Council Chair
AMENDATORY SECTION (Amending WSR 16-01-148, filed 12/21/15, effective 7/1/16)
WAC 51-52-0101 Section 101—General.
101.2 Scope. This code shall regulate the design, installation, maintenance, alteration and inspection of mechanical systems that are permanently installed and utilized to provide control of environmental conditions and related processes within buildings. This code shall also regulate those mechanical systems, system components, equipment and appliances specifically addressed herein. The installation of fuel gas distribution piping and equipment, fuel gas-fired appliances and fuel gas-fired appliance venting systems shall be regulated by the International Fuel Gas Code. References in this code to Group R shall include Group I-1, Condition 2 assisted living facilities licensed by Washington state under chapter 388-78A WAC and Group I-1, Condition 2 residential treatment facilities licensed by Washington state under chapter 246-337 WAC.
EXCEPTIONS:
1. Detached one- and two-family dwellings and multiple single-family dwellings (townhouses) not more than three stories high with separate means of egress and their accessory structures shall comply with the International Residential Code.
 
2. The standards for liquefied petroleum gas installations shall be the 2014 Edition of NFPA 58 (Liquefied Petroleum Gas Code) and the 2015 Edition of ANSI Z223.1/NFPA 54 (National Fuel Gas Code).