GB 55020-2021 (English Version) PDF

Scope: The "General Specifications for Water Supply, Drainage and Water Conservation in Buildings" is now approved as a national standard, numbered GB 55020-2021, and will come into force on April 1, 2022. This specification is a mandatory engineering construction specification, and all provisions must be strictly implemented. The relevant mandatory provisions of the current engineering construction standards shall be abolished at the same time. If the relevant provisions in the current engineering construction standards are inconsistent with this specification, the provisions of this specification shall prevail. This specification is published on the website of the Ministry of Housing and Urban-Rural Development (www.mohurd.gov.cn), and is published by China Construction Publishing and Media Co., Ltd. organized by the Institute of Standards and Quotas of the Ministry of Housing and Urban-Rural Development. Attachments: 1. General Specifications for Water Supply, Drainage and Water Conservation in Buildings 2. Compulsory Provisions Relevant to Abolished Current Engineering Construction Standards Ministry of Housing and Urban-Rural Development September 8, 2021

GB 55020-2021 history

2021 GB 55020-2021 General specification for building water supply and drainage and water saving