According to the Construction Safety Association of Ontario, a critical lift is one where the load weight is heavier than 75 percent of the rated capacity (Campbell and Dickie, 227). Critical lifts include: lifts made where the load weight is greater than 75 of the rated capacity of the crane. The first step in establishing a corporate mobile crane lift-planning requirement is to define the term critical lift. Our crane CAD blocks will help you to easily prepare the perfect lift plan with only a few clicks. A 'critical lift' is defined as any non- routine crane lift requiring detailed planning and additional or unusual safety precauti ons. The CAD packages contain front view, rear view and top view in various outrigger width, side view for carrier and upper structure in left and right view, main boom in all length, folding jib, fixed jib and luffing jib in all length. Use multiple lift plans for multiple locations. Our crane CAD blocks contain all relevant crane dimensions and are ready for immediate use in your CAD based crane lift planning. The Crane Lift Plan may be valid for more than one day, as long as the configuration, location, and parameters used for developing worst case condition have not changed. We deliver crane CAD blocks for your crane lift plan as DXF or DWG files for all current mobile cranes from Liebherr, Terex, Demag, Grove, Tadano and more.Įach CAD block is scaled redrawn in AutoCAD by our draftsmen, based upon the manufacturers' brochure.
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