ANSI MH27.1-2003

This publication was developed by the Monorail Manufacturers Association, Inc. to assist manufacturers and users of underhung cranes and monorail systems. This specification was originally approved as an MMA consensus standard in 1973, was subjected to the ANSI Canvass Review Process, and is now available as an American National Standard. It includes discussion of curves, switches, transfer devices, trolleys, lift and drop sections.