4.2. Types of Tower Cranes

Try these first

1. 1.

   What is the primary purpose of tower cranes in construction?

   Hint

   Think about what heavy machinery does in construction.

2. 2.

   Identify one type of tower crane based on its slewing method.

   Hint

   Remember the types we discussed in class.

3. 3.

   What are the two main types of tower cranes based on slewing method?

   • Top and Middle Slewing
   • Top and Bottom Slewing
   • Left and Right Slewing

   Hint

   Think about what each type is designed to achieve.

4. 4.

   True or False: The stability of a crane is primarily dependent on its outrigger setup.

   • True
   • False

   Hint

   What did we talk about regarding crane tips in class?

5. 5.

   You are tasked to lift a load 60 meters high at a site where the horizontal reach is 25 meters. Given the safety margin needed, calculate the appropriate boom length and discuss any necessary precautions.

   Hint

   Use the crane range diagram for the best approach.

6. 6.

   During operations, wind speeds increase to 80 km/h. What measures should be taken according to safety guidelines?

   Hint

   Remember our lesson on wind's impact on crane operations.