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CMAA Specification 74 - 2020 - Single Girder Cranes PDF
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JUST RELEASED- THE 2020 REVISION SPECIFICATIONS FOR TOP RUNNING AND UNDER RUNNING SINGLE GIRDER ELECTRIC OVERHEAD CRANES UTILIZING UNDER RUNNING TROLLEY HOIST - NO. 74 - CONTAINS 9 NEW SECTIONS AND NUMEROUS UPDATES. This book promotes standardization and provides a basis for uniform quality and performance. It contains information which can be helpful for purchasers and users of cranes, as well as engineers and architects. Text consists of seven sections: general specifications, crane service classifications, structural design, mechanical design, electrical equipment, crane inquiry data sheet and glossary.
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ANSI ECMA15: 2010 Spec for Cable-less (Wireless) Controls
The specifications and information contained in this standard apply to cable-less controls for electric overhead traveling cranes. Cable-less controls are also referred to as wireless or remote controls. The specifications in this standard are general in nature. Other and more detailed specifications may be agreed upon between the purchaser and the manufacturer to suit each specific installation. ECMA Specification 15 is referenced in CMAA Specification 70 and 74, Section 5.15.8, "Remote Control": For cable-less controls, systems shall be provided in accordance with ECMA Specification No. 15.
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