ONTARIO, CA — The International Association of Plumbing and Mechanical Officials (IAPMO) is pleased to announce that its Water Demand Calculator® has been included in the fourth edition of the ...
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 ...
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