This specification 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.
June 1, 2026•CMAA
PUBLICATION
CMAA
SPECIFICATION
PUBLICATION
CMAA Specification 74-2020, Single Girder Cranes
This specification 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.
October 28, 2020•CMAA
PUBLICATION
CMAA
SPECIFICATION
PUBLICATION
CMAA Specification 74-2025, Single Girder Cranes PDF
This specification 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.Secure PDF This standard is distributed as an encrypted PDF with a license for up to 2 separate devices. You will receive one email for registering a device and another email with the standard attached. You will need administrative privileges in order to install the FileOpen plug-in for Adobe Acrobat/Reader. Administrative privileges may also be necessary to disable protected mode in Adobe Acrobat/Reader when printing to network printers. FileOpen Plug-In FAQ http://plugin.fileopen.com/faq.aspx FileOpen Troubleshooting FAQ http://www.fileopen.com/products/troubleshooting-faq
November 3, 2025•CMAA
PUBLICATION
CMAA
SPECIFICATION
PUBLICATION
CMAA Specification 74-2020, Single Girder Cranes PDF
This specification 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.Secure PDF This standard is distributed as an encrypted PDF with a license for up to 2 separate devices. You will receive one email for registering a device and another email with the standard attached. You will need administrative privileges in order to install the FileOpen plug-in for Adobe Acrobat/Reader. Administrative privileges may also be necessary to disable protected mode in Adobe Acrobat/Reader when printing to network printers. FileOpen Plug-In FAQ http://plugin.fileopen.com/faq.aspx FileOpen Troubleshooting FAQ http://www.fileopen.com/products/troubleshooting-faq