cmaa specification no. 74

huangyhg

cmaa specification no. 74
does anyone have a publication from cmaa titled "specifications for top running and under running single girder electric overhead cranes utilizing under running trolley hoist-no. 74?"
i am looking for the section that specifies the structural design and mechanical design sections of the publication.
i am trying to determine the required safety factors of the structural components for lifing devices so that i can comply with osha standards.  osha referred me to asme and asme referred me to cmaa.  
i would like to know if this publication has what i am looking for before i buy it.  someone told me to buy the asme standards publication and i did, however it referred me to cmaa with regards to the structural integrity of the lifting device.  i would like to not spend more money on publications that i do not need
thank you
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