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Six documents, comprised of four reaffirmations, one revision, and one new draft standard, are now available for public review. The documents, their respective public review forms, and review instructions are all available from the TSP's Public Review Documents download page, found at https://tsp.esta.org/publicreview. Return the public review forms, with any comments you may have, before the deadlines shown.

One reaffirmation from the Rigging Working Group
ANSI E1.4-3 – 2020, Manually Operated Hoist Rigging Systems
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. This public review is to consider it for reaffirmation: are its requirements still reasonable, or does it need revision? Submit comments before 12 May 2025.

One reaffirmation from the Floors Working Group
ANSI E1.62 - 2021, Minimum specifications for mass-produced portable platforms, ramps, stairs, and choral risers for live performance events
This is a product specification covering serially manufactured portable platforms, stair units ramps, and choral risers. It also covers railings provided as fall protection accessories for these units. It gives minimum payload and sideways force handling values. This public review is to consider it for reaffirmation: are its requirements still reasonable, or does it need revision? Submit comments before 12 May 2025.

One reaffirmation from the Followspot Positions Working Group
ANSI E1.66 - 2020, Safety Standard for Followspot Positions Erected for Short-term Use in Entertainment Venues
ANSI E1.66 – 2020 covers the safety requirements for followspot positions in or on structures erected for short‐term use, and positions not already covered by ANSI E1.28. Applicable to followspot positions indoors and outdoors, it addresses structural, electrical, and personnel safety requirements associated with non‐permanent followspot positions, and is being considered for reaffirmation in this public review. Are its requirements still reasonable, or are changes necessary? Submit comments before 12 May 2025.

Three from the Control Protocols Working Group – one new, one revision, and one reaffirmation
BSR E1.31, Lightweight streaming protocol for transport of DMX512 using ACN
This standard describes a mechanism to transfer DMX512A packets over a TCP/IP network using a subset of the ACN protocol suite. It covers data format, data protocol, data addressing, and network management. It also outlines a synchronization method to help ensure that multiple sinks can process this data concurrently when supervised by the same controller, and includes support for both IPv4 and IPv6. Submit comments before 12 May 2025.

E1.37-4, Remote Device Management over DMX512 Networks - File Transfer Control with Firmware Upload capabilities
BSR E1.37-4 is a new addition to the E1.37 project. It provides developers of RDM responder hardware with a standard means of implementing firmware upload using the basic communication structure provided by the ANSI E1.20 RDM standard. The design approach is intended to facilitate data transfers to responders that may be built using processors with very limited memory resources as well as devices that can support the largest possible [RDM] packet. Submit comments before 12 May 2025.

ANSI E1.59 - 2021, Object Transform Protocol
This standard describes a mechanism to transfer object transform information such as position, orientation and velocity over an IP network using a subset of the [ACN] protocol suite. It covers data format, data protocol, data addressing, and network management. Data transmitted is intended to coordinate visual and audio elements of a production and should not be used for safety critical applications. This is a reaffirmation of the current published standard. Are its requirements still reasonable, or are changes necessary? Submit comments before 12 May 2025.

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