Eleven ESTA Proposed Standards in Public ReviewEleven documents are available for public review at no cost on the ESTA website at http://estalink.us/pr. In order of comment due date and then alpha-numeric designation, the documents are: BSR E1.6-1, Entertainment Technology -- Powered Hoist Systems, establishes requirements for the design, manufacture, installation, inspection, and maintenance of powered hoist systems for lifting and suspension of loads for performance, presentation, and theatrical production. This standard does not apply to the structure to which the hoist is attached, attachment of loads to the load carrying device, systems for flying people, welded link chain hoists, and manually powered hoists. Comments are due before February 20, 2018. BSR E1.46, Standard for the Prevention of Falls from Theatrical Stages and Raised Performance Platforms, offers guidance appropriate for theatrical venues on preventing falls from stages into orchestra pits, open stage lifts, and similar openings in stage floors. Comments are due before March 13, 2018. The following nine documents all have comment due dates of April 9, 2018; comments must be submitted before April 10. BSR E1.11, Entertainment Technology -- USITT DMX512-A -- Asynchronous Serial Digital Data Transmission Standard for Controlling Lighting Equipment and Accessories, describes a protocol for transmitting digital data over an EIA-485-A datalink for the purpose of controlling entertainment lighting equipment and accessories, such as dimmers, robotic luminaires, color changers, and motion effects wheels. The protocol is not intended to be used to control equipment where injury to people or damage to property could result from a message error. The existing E1.11 standard is being considered for reaffirmation without any substantive changes. BSR ES1.19, Safety Requirements for Special Event Structures, is one part of a larger suite of ES1 standards relating to special event safety being developed. This draft standard covers any temporary structure used for special events (e.g., concerts, award shows, dramatic plays) not otherwise addressed by existing standards, codes, or legislation. The purpose of this document is to identify design, fabrication, operation and use, inspection and maintenance requirements for the structures included in its scope. BSR E1.30-11, EPI 33 -- ACN Root Layer Protocol Operation on TCP, is part of the E1.30 suite of standards documents that specify how conforming implementations are to operate in a particular environment or situation in order to guarantee interoperability. This part of E1.30, EPI 33, is an interoperability profile that specifies the operation and formats for the ACN Root Layer Protocol operating on TCP. BSR E1.33 - 201x, Entertainment Technology -- (RDMnet) -- Message Transport and Device Management of ANSI E1.20 (RDM) over IP Networks, describes a method of implementing ANSI E1.20 Remote Device Management messaging over an IP-based network. BSR E1.37-7 (also in public review) is closely tied to this document. BSR E1.37-4, Remote Device Management over DMX512 Networks - File Transfer Control with Firmware Upload Capabilities, is part of 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. BSR E1.37-7, Additional Message Sets for ANSI E1.20 (RDM) -- Gateway & Splitter Messages, provides additional Get/Set Parameter Messages for use with the ANSI E1.20 Remote Device Management protocol. This document contains messages relating to configuring managed splitters, proxy devices, and RDMnet Devices. It is closely tied to E1.33. BSR E1.42 - 20xx, Entertainment Technology -- Design, Installation, and Use of Orchestra Pit Lifts, covers the design, construction, operation, inspection, testing, maintenance, alteration, and repair of permanently installed orchestra pit lifts and their associated parts, rooms, spaces, enclosures, and hoistways, where located in a theatre or a similar place of public entertainment. BSR E1.56, Entertainment Technology -- Rigging Support Points, provides guidance for the design, fabrication, installation, and testing of permanent and temporary rigging points and rigging lugs and their connection to existing building and venue structures. BSR E1.60, Guidelines for the Use of Raked Stages in Live Performance Environments, is intended to provide guidance for the use of raked stages in live performance environments. The standard intends to define a rake, and to offer guidance for production elements to mitigate the risks for the protection of actors and technicians. 
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