Description
Objectives
Learning Objective 1 – Identify and describe various types of cranes and crane components.
- Identify and describe mobile cranes based on their means of travel.
- Identify and describe various types of crane boom types.
- Identify and describe common crane attachments and accessories.
- Describe common crane instrumentation and safety devices.
- Identify and describe various crane reeving patterns.
Learning Objective 2 – Identify factors related to lifting capacity and explain their significance.
- Explain the significance of ground conditions and a level surface.
- Describe the bearing surface and explain how to determine the required blocking.
- Define and describe the significance of the center of gravity and the quadrants of operation.
- Describe the significance of boom length, angle, operating radius, and elevation.
- Explain how to use a load chart and understand the basic concepts of critical lifts
Performance Tasks
Performance Task 1 (Learning Objective 2) – Verify the boom length of a telescopic- and/or lattice-boom crane using manufacturer’s data or a measuring tape.
Performance Task 2 (Learning Objective 2) – Measure the operating radius of a telescopic- and/or lattice-boom crane using a measuring tape.
Performance Task 3 (Learning Objective 2) – Calculate the amount of blocking needed for the outrigger of a specific crane.
Performance Task 4 (Learning Objective 2) – Verify that a crane is level.
