County adopts the 2012 Uniform Plumbing Code with local changes

The Uniform Plumbing Code, 2012 Edition, published by the International Association of Plumbing and Mechanical Officials, 5001 E. Philadelphia Street, Ontario, CA 91761-2816, including appendices, is incorporated by reference and made a part of this code, subject to any amendments hereinafter set forth in this chapter. (a) The scope, technical specifications, and exemptions set forth in the Uniform Plumbing Code, 2012 Edition, are hereby adopted as the standard for plumbing work covered by this code, provided there are no specific provisions in any other section of this code covering the particular matter. (b) A copy of the Uniform Plumbing Code, 2012 Edition, shall be available for public inspection at the Hilo and Kailua-Kona offices of the department of public works and at the office of the County clerk. (c) This incorporation by reference includes all parts of the Uniform Plumbing Code, 2012 Edition, subject to the amendments hereinafter set forth. SUPP. 11 (1-2022) 5F-4 PLUMBING CODE § 5F-2-1 (1) Section 204.0 of the Uniform Plumbing Code is amended by amending the definition of “Building Drain” to read as follows: “BUILDING DRAIN. That part of the lowest piping of a drainage system that receives the discharge from soil, waste, and other drainage pipes inside the walls of buildings and conveys it to the building sewer beginning five (5) feet (1524 mm) outside the building wall.” (2) Section 210.0 of the Uniform Plumbing Code is amended by adding a new definition of “Health Officer” to read as follows: “HEALTH OFFICER. Health Officer shall mean the director of health of the department of health, State of Hawai‘i, or the director’s authorized agent.” (3) Section 221.0 of the Uniform Plumbing Code is amended by adding a new definition of “Single Stack Vent System” to read as follows: “SINGLE STACK VENT SYSTEM. A specially designed plumbing system wherein a common stack serves as a drainage pipe as well as a vent pipe.” (4) A new subsection 313.8 is added to the Uniform Plumbing Code to read as follows: “313.8 Seismic Supports. Where earthquake load are applicable in accordance with the building code, plumbing piping supports shall be designed and installed for the seismic forces in accordance with the building code.” (5) Subsection 402.5 of the Uniform Plumbing Code is amended to read as follows: “402.5 Setting. Fixtures shall be set level and in proper alignment with reference to adjacent walls. No water closet or bidet shall be set closer than 15 inches (381 mm) from its center to a side wall or obstruction nor closer than 30 inches (762 mm) center to center to a similar fixture. The clear space in front of any water closet, bidet, and lavatory, shall not be less than 24 inches (610mm) which may include adjoining floor area.” (6) Section 422.0 and Table 422.1 of the Uniform Plumbing Code are repealed in their entirety. 5F-5 SUPP. 11 (1-2022) (7) The Uniform Plumbing Code is amended by adding a new section 422.0 to read as follows: “422.0 Minimum Number of Required Fixtures. Plumbing fixtures shall be provided for the type of building occupancy and in the minimum number required in Chapter 29 of the International Building Code.” (8) Subsection 507.13 of the Uniform Plumbing Code is amended by adding the following Exception to the end thereof, to read as follows: “Exception: (1) Water heaters may be installed at floor level in carports having one hundred (100) percent opening on one side and fifty (50) percent net opening on another side or the equivalent of such openings on two or more sides, provided the adjacent ground level is at or below the flow level of the carport. (2) Fuel burning water heaters having sealed combustion chambers may be installed at floor level. (3) Electric water heaters in garages may be installed at floor level.” (9) A new subsection 508.4.5 is added to the Uniform Plumbing Code to read as follows: “508.4.5 Access. Every attic, mezzanine, or platform more than 16 feet (4.9 meters) above the ground floor level shall be accessible by a stairway or ladder permanently fastened to the building. Exception: No permanent access required for R-3 Occupancies.” (10) Subsection 604.11 of the Uniform Plumbing Code is amended to read as follows: “604.11 Lead Content. The maximum allowable lead content in pipes, pipe fittings, plumbing fittings, and fixtures intended to convey or dispense water for human consumption shall be not more than a weighted average of 0.25 percent with respect to the wetted surfaces of pipes, pipe fittings, plumbing fittings, and fixtures. For solder and flux, the lead content shall be not more than 0.2 percent where used in piping systems that convey or dispense water for human consumption. SUPP. 11 (1-2022) 5F-6 PLUMBING CODE § 5F-2-1 Exceptions: (1) Pipes, pipe fittings, plumbing fittings, fixtures or backflow preventers used for nonpotable services such as manufacturing, industrial processing, irrigation, outdoor watering, or any other uses where the water is not used for human consumption. (2) Water closets, bidets, urinals, fill valves, flushometer valves, tub fillers, shower valves, service saddles, or water distribution main gate valves that are 2 inches (50 mm) in diameter or larger.” (11) Subsection 608.3 of the Uniform Plumbing Code is amended by adding a third sentence to the first paragraph to read as follows: “Cylinder Expansion Tanks more than twenty-four (24) inches in vertical height, shall be secured against seismic movements within the upper top one third (1/3) of its vertical dimensions.” (12) Subsection 608.5 of the Uniform Plumbing Code is amended to read as follows: “608.5 Drains. Relief valves shall be provided with a drain, not smaller than the relief valve outlet, of galvanized steel, hard-drawn copper piping and fittings, CPVC, PP, or listed relief valve drain tube with fittings that will not reduce the internal bore of the pipe or tubing (straight lengths as opposed to coils) and shall extend from the valve to the outside of the building, with the end of the pipe not more than 2 feet (610 mm) nor less than 6 inches (152 mm) aboveground or the flood level of the area receiving the discharge and pointing downward. Such drains shall be permitted to terminate at other approved locations. Relief valve drains shall not terminate in a building’s crawl space. No part of such drain pipe shall be trapped or subject to freezing. The terminal end of the drain pipe shall not be threaded.” (13) Subsection 715.1 of the Uniform Plumbing Code is amended to read as follows: “715.1 Materials. The building sewer, beginning 5 feet (1524 mm) from a building or structure shall be of such materials as prescribed in this code.” 5F-7 SUPP. 11 (1-2022) (14) A new subsection 911.3 is added to the Uniform Plumbing Code to read as follows: “911.3 Single Stack System. When approved by the administrative authority, a single-stack system based on engineered studies and tests may be used in lieu of other related provisions in this code. Plans and specifications of such systems shall be prepared and stamped by a Hawaii licensed mechanical engineer.” (15) Subsection 1101.11.1 of the Uniform Plumbing Code is amended to read as follows: “1101.11.1 Primary Roof Drainage. Roof areas of a building shall be drained by roof drains or gutters. The location and sizing of drains and gutters shall be coordinated with the structural design and pitch of the roof. Unless otherwise required by the authority having jurisdiction, roof drains, gutters, vertical conductors or leaders, and horizontal storm drains for primary drainage shall be sized based on a storm of 60 minutes duration and 100 year return period. Refer to the National Weather Service rainfall map for 100 year, 60 minute storms at various locations.” (16) Subsection 1211.5 of the Uniform Plumbing Code is amended by adding a third sentence to read as follows: “Ground-joint unions may only be used at exposed fixture, appliance, or equipment connections and in exposed exterior locations immediately on the discharge side of a building shutoff valve. Heavy duty flanged type unions may be used in special cases, when first approved by the administrative authority. Bushings shall not be used in concealed locations.” (17) A new subsection 1212.2 is added to the Uniform Plumbing Code to read as follows: “1212.2 Anchored or strapped. Liquified Petroleum Gas Cylinder Tank Facilities more than 24 inches in vertical height, shall be secured against seismic movements within upper top-third (1/3) of its vertical dimensions.” SUPP. 11 (1-2022) 5F-8 PLUMBING CODE § 5F-2-1 (18) A new subsection 1301.4 is added to the Uniform Plumbing Code to read as follows: “1301.4 The provisions of ‘Part 1 - Special Requirements for Health Care Facilities’ shall be for REFERENCE ONLY, FOR DESIGN AND CONSTRUCTION. This section will not be regulated or enforced by the County of Hawai‘i.” (19) Subsection 1309.1 of the Uniform Plumbing Code is amended to read as follows: “1309.1 General. The provisions of ‘Part II - Medical Gas and Vacuum Systems’ shall be for REFERENCE ONLY, FOR DESIGN AND CONSTRUCTION. This section will not be regulated or enforced by the County of Hawai‘i. Installation of medical gas and vacuum piping shall be conducted by qualified Medical Gas Installers meeting the requirements of ASSE 6010. Testing and verification shall be conducted by ‘Certified Medical Gas System Verifier’ in accordance with ASSE 6030.” (20) Section 1326.0 of the Uniform Plumbing Code is amended by replacing “Authority Having Jurisdiction” with “Certified Medical Gas Verifier” throughout subsections 1326.1 through 1326.15. (21) Subsection 1327.3 of the Uniform Plumbing Code is amended to read as follows: “1327.3 Reports. The inspection and testing reports shall be submitted directly to the party that contracted for the testing, who shall submit the report through channels to the responsible facility authority and others that are required. Reports shall contain detailed listings of findings and results. The licensed mechanical engineer responsible for the design and observation of the system shall provide a statement that the certification tests of section 1326.0 as applicable, have been verified and to the best of such engineer's knowledge complies with the installation requirements.” 5F-9 SUPP. 11 (1-2022) (22) Table 1401.1 of the Uniform Plumbing Code is amended by adding the following standards to be inserted between Standard Number SAE-J1670-2008 and TCNA A118-10-2011: Referenced Standard Number Standard Title Application Sections State of Hawai‘i - Standard Details for Public Various Various Rev. Sept. 2000 Works Construction State of Hawai‘i – Water System Standards Various Various 2002 (23) Subsection 1601.3 of the Uniform Plumbing Code is amended to read as follows: “1601.3 Permit or Approval. It shall be unlawful for any person to construct, install, alter, or cause to be constructed, installed, or altered any alternate water source system in a building or on a premises without first obtaining a permit or approval to do such work from the Authority Having Jurisdiction. Exceptions: (1) A permit is not required for exterior rainwater catchment systems used for outdoor drip and subsurface irrigation with a maximum storage capacity of 360 gallons (1363 L). (2) A plumbing permit is not required for rainwater catchment systems for single family dwellings where outlets, piping, and system components are located on the exterior of the building. This does not exempt the need for permits where required for electrical connections, tank supports, or enclosures.” (24) Subsection 1602.7 of the Uniform Plumbing Code amended by amending the first paragraph to read as follows: “1602.7 Drawings and Specifications. The Authority Having Jurisdiction shall require the following information to be included with or in the plot plan before a permit or approval is issued for a gray water system, or at a time during the construction thereof:” (25) Appendix D of the Uniform Plumbing Code, “Sizing Storm Water Drainage Systems,” is deleted in its entirety. (26) Appendix E of the Uniform Plumbing Code, “Manufactured/Mobile Home Parks and Recreational Vehicle Parks,” is deleted in its entirety. SUPP. 11 (1-2022) 5F-10 PLUMBING CODE § 5F-2-1 (27) Appendix F of the Uniform Plumbing Code, “Firefighter Breathing Air Replenishment Systems,” is deleted in its entirety. (28) Appendix G of the Uniform Plumbing Code is amended by amending its title to read as follows: “APPENDIX G SIZING OF VENTING SYSTEMS SERVING APPLIANCES EQUIPPED WITH DRAFT HOODS, CATEGORY I APPLIANCES, AND APPLIANCES LISTED FOR USE WITH TYPE B VENTS FOR REFERENCE ONLY (The content of this Appendix is based on Annex G of NFPA 54)” (29) Appendix H of the Uniform Plumbing Code, “Private Sewage Disposal Systems,” is amended by amending its title to read as follows: “APPENDIX H COMMERCIAL OR INDUSTRIAL SPECIAL LIQUID WASTE DISPOSAL FOR REFERENCE ONLY” (2020, ord 20-61, sec 6.) 5F-2-1 5F-11 SUPP. 11 (1-2022) Article 3. Plumbing Work Within Special Flood Hazard Areas.