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HCAI proposes Part 5 plumbing changes: handwashing flow, hot-water temps and dialysis standards updated
Summary
HCAI presented proposed plumbing-code amendments including a minimum 1.0 gallon-per-minute flow for infection-control handwashing fixtures (while public restrooms remain at Title 20 0.5 gpm), a 140—F storage-water requirement to limit Legionella, and adoption of updated AAMI dialysis water standards (RD 23500 series).
During the same HCAI webinar, Larry Enright presented proposed OSHPD amendments to the 2025 California Plumbing Code (Part 5).
Enright said Part 5 includes a new OSHPD 6 banner and updates to definitions, fixtures and reference standards to coordinate with model codes and national guidance. On handwashing fixtures he described an alignment with ASHRAE 188 and Guideline 12 and said the draft language requires handwashing fixtures used for infection-control to have a flow of…
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