ANSI B77.1 - 2017 (PDF & Perfect Bind)
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Aerial Tramways, Aerial Lifts, Surface Lifts, Tows and Conveyors This Ropeway standard edition has replaced ANSI B77.1-2011 with B77.1a-2012 supplement. The 2017 edition includes the updated electrical subsections for each ropeway type. Work carrier and guarding requirements are also among the updates in this edition. PDF Format (You may install one copy of the product on a single computer owned or otherwise controlled by you. Neither concurrent use on two or more computers nor use in a local area network or other network is permitted. You may copy the product only for backup purposes).