The "Planning Standards for Urban Environmental Sanitation Facilities" is now approved as a national standard, numbered GB/T50337-2018, and will come into force on April 1, 2019. The original national standard "Code for Urban Environmental Sanitation Facilities Planning" (GB50337-2003) will be abolished at the same time. This standard is published on the website of the Ministry of Housing and Urban-Rural Development (www.mohurd.gov.cn), and is published by China Architecture and Construction Press organized by the Institute of Standards and Quotas of the Ministry of Housing and Urban-Rural Development. Ministry of Housing and Urban-Rural Development of the People's Republic of China November 1, 2018
GB/T 50337-2018 history
2019GB/T 50337-2018 Planning Standards for Urban Environmental Sanitation Facilities
2003GB 50337-2003 Code for urban environmental sanitation facilities planning
GB/T 50337-2018 has been changed from GB 50337-2003 Code for urban environmental sanitation facilities planning.