ESTA E1.4-3 PDF

General

This standard applies to permanently installed, manually operated hoists used as part of rigging systems for raising, lowering, and suspension of scenery, properties, lighting, and similar loads. This standard establishes requirements for the design, manufacture, installation, inspection, and maintenance of manually operated hoist systems for lifting and suspension of loads for performance, presentation, and theatrical production.

Building Structures

This standard applies to the mechanical hoist and rigging hardware only, not to the structure from which it is supported. While not part of this standard, the ability of the building structure to support the intended loads shall be considered in the design and application of rigging systems.

Annex note references

This document uses annex notes to provide additional reference information about certain specific section requirements, concepts, or intent. Subject matter with a corresponding annex note reference is identified by the asterisk (*) symbol and the text “See Annex note;” the associated reference text is found in the Annex A section, identified with the referring text section number, e.g. an Annex Note to section 3.2 will be identified in the annex section as A.3.2.

Exclusions

Performer flying

This standard does not apply to performer flying, or to raising or lowering people.

Powered rigging

This standard does not apply to any equipment used in permanently powered rigging systems.

Other rigging

This standard does not apply to E1 Entertainment Technology equipment covered under the scope of other existing standards.

Intent

The purpose of this standard is to establish minimum performance requirements for manually operated hoists used in rigging systems. This standard establishes safeguards to public health, safety and general welfare with the intent to minimize hazards associated with Manually Operated Rigging Systems.

Alternative designs

This standard is not intended to prevent or limit alternative designs, materials, or technology. Alternative designs, materials or technology shall comply with the intent of this standard, and with the requirements of any other standard deemed applicable by a qualified person.