Tianjin Provincial Standard of the People's Republic of China
Latest
DB12/T 502-2013
Scope
This standard specifies the terms and definitions for cleaning and maintenance of exterior walls of buildings (including structures), inspection and treatment of exterior wall finishes, cleaning and maintenance materials, equipment and operation requirements and quality acceptance. This standard applies to exterior wall cleaning and maintenance operations and quality acceptance of general buildings and structures.
DB12/T 502-2013 history
2013DB12/T 502-2013 Technical specifications for cleaning and maintenance of exterior walls of buildings (structures)