Laserfiche WebLink
Revised: 02/03/2023 4 <br />Job Steps Hazards Actions to Eliminate or Minimize Hazards RAC <br />5. Weather Conditions - Faulty Equipment <br />- Moving parts of crane <br />- Personal Injury <br />- Slips/Trips/Falls <br />1. Ensure ground is level within crane tolerance (slopes, asphalt, <br />mud, surrounding soil) <br />2. When wind speed (sustained or gusts) exceeds 20 mph at the <br />personnel platform, a qualified person must determine if, in light <br />of the wind conditions, it is not safe to lift personnel. If it is not, <br />the lifting operation must not begin (or, if already in progress, <br />must be terminated). <br />3. Rain, fog, or snow could obscure the load, the signal person <br />and/or the boom tip, making crane-lifting operations very <br />dangerous. In addition, extreme heat, heavy rain, snowstorms, or <br />even heavy snow flurries can be distracting to those involved in <br />the lifting operation. <br />4. Crane booms can act as a lightning rod and great care should <br />be taken to be aware of changing weather conditions if a <br />thunderstorm should suddenly develop. At the first sign of a <br />thunderstorm (or at least of lightning), lifting activities should be <br />brought to an orderly close. The boom should be lowered and/or <br />retracted as much as possible, and personnel should leave the <br />area. If the crane is struck by lightning, it should be thoroughly <br />inspected before being put back into service. The path of the <br />electricity is difficult to predict and there may be hidden damage <br />(pitting) where arcs have occurred (often in bearings). <br />L <br />NC-25-1137 Tiwana & Sons <br />1210 East Hammer Lane, Stockton, CA 95210