MAKE A MEME View Large Image Guy derrick.gif en Guy derrick means a fixed derrick consisting of a mast capable of being rotated supported in a vertical position by guys and a boom whose bottom end is hinged or pivoted to move in a vertical plane with a reeved rope ...
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Keywords: Guy derrick.gif en Guy derrick means a fixed derrick consisting of a mast capable of being rotated supported in a vertical position by guys and a boom whose bottom end is hinged or pivoted to move in a vertical plane with a reeved rope between the head of the mast and the boom point for raising and lowering the boom and a reeved rope from the boom point for raising and lowering the load date https //www osha gov/pls/oshaweb/owadisp show_document p_id 9832 p_table STANDARDS Occupational Safety Health Administration U S Department of Labor PD-USGov Uploaded with UploadWizard Derrick cranes
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