ASME A112.6.9/CSA B79.9 PDF

Description

This is the first edition of ASME A112.6.9/CSA B79.9, Siphonic roof drains . It supersedes CSA B79, Commercial and residential drains and cleanouts, published in 2008, and the ASME A112.6.9, Siphonic roof drains Standards. This Standard was prepared by the ASME/CSA Harmonization Task Group on Drains, under the jurisdiction of the ASME A112 Standards Committee on Plumbing Materials and Equipment and the CSA Technical Committee on Drains and Interceptors. The ASME A112 Standards Committee operates under the jurisdiction of the ASME Board on Standardization and Testing and the CSA Technical Committee operates under the jurisdiction of the CSA Strategic Steering Committee on Construction and Civil Infrastructure. This Standard is considered suitable for use for conformity assessment within the stated scope of the Standard. This Standard was approved as an American National Standard by the American National Standards Institute on May 9, 2022. This Standard has been developed in compliance with Standards Council of Canada requirements for National Standards of Canada. It has been published as a National Standard of Canada by CSA Group. Scope 1.1 Inclusions This Standard specifies minimum requirements for the design, installation, examination, and testing of siphonic roof drains. It includes definitions of terms and parameters involved in the design of siphonic drainage systems. This Standard applies to roof drains designed and manufactured for installation in piping systems that are intended to operate under depressurized siphonic conditions created by the connected piping system.