ANSI E1.4-1 : 2016

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Foreword
Reference standard organizations
1 Scope
2 Definitions
3 Load suspension system requirements
4 Operating system requirements
5 Guide system requirements
6 System documentation, labeling and marking*
7 Inspections
8 Design loads and factors
9 Basic functional and safety requirements
Figures
Annex A

Describes the permanently installed, manually operated systems of stage rigging hardware for the raising, lowering, and suspension of scenery, lighting, and similar loads. The systems illustrated in the Figures section describe common arrangements of systems used over performance areas.