1.1. Setting Outriggers

Try these first

1. 1.

   What should you check before extending the outriggers?

   Hint

   Consider what supports the crane.

2. 2.

   What does OSHA prohibit regarding high voltage lines?

   Hint

   Think about safety around electricity.

3. 3.

   What is the minimum safe distance a crane should maintain from high voltage lines?

   • 1 meter
   • 3 meters
   • 5 meters

   Hint

   Remember safety distances.

4. 4.

   True or False: Cranes can operate safely at any wind speed.

   • True
   • False

   Hint

   Think about the effects of strong winds.

5. 5.

   Given an operating radius of 30 meters and a necessary load height of 50 meters, what minimum boom length is required, assuming you must include rigging weights totaling 10 meters?

   Hint

   Use the intersection point on the diagram.

6. 6.

   A crane with a maximum load capacity of 20,000 kg is required to lift a load of 25,000 kg, which includes the weight of slings. What steps should the operator take to ensure safety?

   Hint

   Think about what happens if the load exceeds capacity.