This document applies to the terms and definitions of high-altitude cleaning services, service agencies and service personnel, cleaning material performance requirements, cleaning operation requirements, quality acceptance, etc. This document is applicable to organizations or units engaged in the cleaning of exterior walls, columns, windows and finishes of buildings and structures by the Hanzhong Family Service Association.
T/HZSJX 05-2023 history
2023T/HZSJX 05-2023 Quality specifications for high-altitude cleaning services