This document stipulates the design, installation, acceptance and maintenance requirements for gas leakage alarm control systems for non-residential users. This document is applicable to gas leakage alarm control systems used by non-resident users such as commercial restaurants, commercial and residential buildings, groups, enterprises and institutions in Shanghai.
T/HRX 000002-2022 history
2022T/HRX 000002-2022 Application technical requirements for non-residential gas leakage alarm control system
2021T/HRX 000002-2021 Technical requirement for construction and acceptance of pre-coated galvanized steel pipe