CMAA 70 2015 is a 100-page PDF specification for top running bridge and gantry type multiple girder electric overhead traveling cranes. Issued by the Crane Manufacturers Association of America, it provides technical guidance for equipment selection, crane service classification, structural design, mechanical design, electrical equipment, inquiry data, speeds, glossary terms, and related index material.
This document is intended for engineers, designers, purchasers, manufacturers, and users who need detailed reference guidance for overhead traveling crane applications, including runway considerations, clearances, crane components, operating conditions, and service requirements.
Application Scope: Applies to top running bridge and gantry type multiple girder electric overhead traveling cranes and related specification, selection, design, and application guidance.