The document is valid for manual counter weight flying systems, underneath which the stay of persons is permitted. This standard applies to theatre stage decor battens in place for performance, meetings, productions, such as theatres, mulit-purpose halls, in film, radio and television.
DIN 56921-1:2010 Referenced Document
DIN EN 12385-2 Steel wire ropes - Safety - Part 2: Definitions, designation and classification; German version EN 12385-2:2002+A1:2008
DIN EN 1261 Fibre ropes for general service - Hemp; German version EN 1261:1995
DIN EN ISO 12100-2 Safety of machinery — Basic concepts, general principles for design — Part 2: Technical principles (ISO 12100-2:2003)
DIN ISO 2768-1 General tolerances; tolerances for linear and angular dimensions without individual tolerance indications; identical with ISO 2768-1:1989
DIN 56921-1:2010 history
2010DIN 56921-1:2010 Entertainment technology - Flying systems - Part 1: Manual counterweight flying systems for total loading up to 500 kg
1999DIN 56921-1:1999 Theatre engineering, stage machinery - Flying systems - Part 1: Manual counterweight flying systems for total loading up to 500 kg