Two Rigging Working Group documents dealing with manual rigging systems and fire safety curtain systems are available for public review for free on the ESTA website. The public reviews run through March 17. When March 18 starts, the reviews are over. The first is BSR E1.4 - 200x, Entertainment Technology - Manual Counterweight Rigging Systems. The draft standard describes the design and construction of manually powered counterweight rigging systems. The primary purpose of the standard is to ...
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