2012 Edition
The fourth edition to be designated as an American National Standard, the latest UPC includes the following key changes:
- New alternate water sources for nonpotable applications and nonpotable rainwater catchment systems
(Chapters 16, 17) based upon IAPMO’s Green Plumbing and Mechanical Code Supplement
- New Appendix L (sustainable practices)
- New minimum plumbing facilities table (Chapter 4)
- Water supply and drainage joint connection requirements (Chapters 6, 7)
Read more about this topic: Uniform Plumbing Code
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