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§ 5F-2-1 H AWAI‘I C OUNTY C ODE (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