On April 21 the ANSI
Board of Standards Review approved two more ESTA documents as American National Standards:
ANSI E1.4 - 2009, Entertainment Technology - Manual Counterweight Rigging Systems,
describes the design and construction of manually powered counterweight
rigging systems to help assure the safety
of these system. The standard does not cover
motorized systems, systems for flying performers, or systems used for moving materials during building construction.
ANSI E1.22 - 2009, Entertainment Technology - Fire Safety Curtain Systems
, describes the materials, fabrication, installation, operation, testing, and maintenance of fire safety curtains and fire safety curtain systems used for theatre
proscenium opening protection. The requirements avoid cook-book descriptions of fire safety curtain systems; they specify how a fire curtain
The new standards are now published and available for purchase
from The ESTA Foundation at ESTA Foundation - Publications - About Publications, Browse & Purchase
. The download documents are in PDF 1.6 format, and can be opened with Adobe Acrobat or Acrobat Reader version 7 and later. The single-copy price for each is $40. ESTA member and quantity discounts are available.