ONTARIO, CA — The California Building Standards Commission has approved the adoption of IAPMO’s Uniform Plumbing Code (UPC®) Appendix M—the Water Demand Calculator®â€”into the California Plumbing Code ...
The Castle Rock, Colo., town council has approved the adoption of IAPMO’s Water Demand Calculator as an alternative methodology for sizing water pipes in single and multifamily buildings. A ...
The document is a direct extract from Appendix M of the 2021 Uniform Plumbing Code, which was developed via an ANSI-accredited development process. The Water Demand Calculator TM (WDC) is the first ...