The 2024 IPC provides minimum regulations for plumbing facilities and allows for the acceptance of new and innovative products, materials, and systems. Plumbing and plumbing fixture related accessibility provisions and requirements from the ICC A117.1 Accessibility Standard are also included, making the IPC the most comprehensive plumbing code. For the most current adoptions details go to International Code Adoptions. Important changes in the 2024 IPC Provisions added for support of buried piping beneath building where expansive soil conditions exist. Requirement added for tracer wire for buried plastic sewer piping. Option added for vacuum testing of DWV piping. Plumbing fixture requirements significantly updated for various Group I occupancies. Exception added for allowing special locking mechanism for doors to multiple-user toilet facilities. Plastic pans for gas-fired water heaters required to be tested in accordance with ASTM E84 or UL 723. Showerhead flow limited to 2.0 gpm with performance complying with high efficiency requirements. Installation standards added for solvent-cemented plastic piping joints. Standards added for chemica