Jul 06, 2013 · Jun 08, 2013 · Size and rating of each rigging gears e.g. Slings, shackles and spreader beam etc.4. The certification of crane, shackles, sling and spreader beams .5. Lifting capa of crane slings, shackles, lifting belt etc. shall be checked andverified by the rigging engineer.6. Layout and elevation drawings of lift.7.