WSR 14-24-053 PERMANENT RULES BUILDING CODE COUNCIL [Filed November 25, 2014, 1:17 p.m., effective May 1, 2015] Effective Date of Rule: May 1, 2015.
Purpose: Make changes to chapter 51-11R WAC, to modify requirements in the Washington State Energy Code, Residential provisions. Requirements have been previously changed through emergency rule making.
Citation of Existing Rules Affected by this Order: Amending WAC 51-11R-40340.
Statutory Authority for Adoption: RCW 19.27A.025, 19.27A.045.
Other Authority: RCW 19.27.020, 19.27.074.
Adopted under notice filed as WSR 14-15-053 on July 11, 2014.
Number of Sections Adopted in Order to Comply with Federal Statute: New 0, Amended 0, Repealed 0; Federal Rules or Standards: New 0, Amended 0, Repealed 0; or Recently Enacted State Statutes: New 0, Amended 0, Repealed 0.
Number of Sections Adopted at Request of a Nongovernmental Entity: New 0, Amended 1, Repealed 0.
Number of Sections Adopted on the Agency's Own Initiative: New 0, Amended 0, Repealed 0.
Number of Sections Adopted in Order to Clarify, Streamline, or Reform Agency Procedures: New 0, Amended 0, Repealed 0.
Number of Sections Adopted Using Negotiated Rule Making: New 0, Amended 0, Repealed 0; Pilot Rule Making: New 0, Amended 0, Repealed 0; or Other Alternative Rule Making: New 0, Amended 0, Repealed 0.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: November 14, 2014.
C. Ray Allshouse
Council Chair
AMENDATORY SECTION (Amending WSR 13-20-121, filed 10/1/13, effective 11/1/13)
WAC 51-11R-40340 Section R403.4—Service hot water systems.
R403.4 Service hot water systems. Energy conservation measures for service hot water systems shall be in accordance with Sections R403.4.1 through R403.4.3.
R403.4.1 Circulating hot water systems (Mandatory). Circulating hot water systems shall be provided with an automatic or readily accessible manual switch that can turn off the hot water circulating pump when the system is not in use.
R403.4.2 Hot water pipe insulation (Prescriptive). Insulation for hot water pipe shall have a minimum thermal resistance (R-value) of ((R-4)) R-3.
R403.4.3 Electric water heater insulation. All electric water heaters in unheated spaces or on concrete floors shall be placed on an incompressible, insulated surface with a minimum thermal resistance of R-10.
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