NWSA Hoisting and Rigging Practices 2

Question 1

What is the primary purpose of a lift plan for tower hoisting operations?

Accepted Answer

To document the load weight, rigging configuration, equipment ratings, and step-by-step procedure to ensure a safe lift

Answer

To calculate labor costs

Answer

To determine how many breaks workers get

Answer

To schedule material deliveries

Question 2

What is the difference between a bridle hitch and a basket hitch for sling use?

Accepted Answer

A bridle hitch uses two separate slings to support a load from above, while a basket hitch wraps a single sling under and around the load

Answer

They are the same thing

Answer

A bridle hitch is only for wire rope

Answer

A basket hitch is only for synthetic slings

Question 3

Why must hoisting equipment be de-energized and secured when not actively in use on a tower?

Accepted Answer

To prevent unauthorized operation, accidental activation, and damage from weather exposure

Answer

To save electricity

Answer

De-energizing is optional during short breaks

Answer

Only at the end of the project

Question 4

What inspection is required for hooks used in hoisting operations?

Accepted Answer

Check for deformation, cracks, throat opening increase, twist, wear on the saddle, and verify the safety latch functions properly

Answer

Hooks don't need inspection if they appear fine from a distance

Answer

Only check if the hook is rusty

Answer

Hook inspection is only required annually

Question 5

What is the proper procedure for receiving a load at the top of a tower?

Accepted Answer

Guide the load using a tag line or hands-free technique, ensure personal fall protection is secure, and never position yourself under the load

Answer

Reach out and grab the load as it approaches

Answer

Standing under the load is acceptable if wearing a hard hat

Answer

Let the load swing until it stops naturally

Question 6

What is a critical lift and what additional precautions does it require?

Accepted Answer

A lift involving maximum equipment capacity, irreplaceable items, proximity to hazards, or unusual conditions requiring enhanced planning and supervision

Answer

Any lift over 10 pounds is critical

Answer

Only lifts performed with a crane are critical

Answer

Critical lifts only occur during initial tower construction