This standard 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 standard applies 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 03-2020 history
2020T/HZSJX 03-2020 High-altitude cleaning service quality specification