Update ) Questions and
Verified Answers | Grade A | 100%
Correct
Question:
what is the climbing frame that supports the incoming Tower section after a
tower has been raised
Answer:
monorail
Question:
why should bolts between the crane and the climbing frame never be adjusted
or loosened during the jacking process
Answer:
machine deck will fall
,Question:
Who on a workside is qualified to communicate from within the tower to the
crane operator during jacking operations
Answer:
the lead qualified intermediate Rigger
Question:
why is it important to make sure the tower sections are free and clear of
obstructions before climbing the crane
Answer:
to avoid jamming
Question:
when would riggers be required to set the guides in the climbing frame to
their minimal extension
Answer:
prior to commencing climbing operations
, Question:
why would the guides need adjustment during the jacking process
Answer:
to ensure the frame slides freely
Question:
why is it necessary when adjusting travelling type counter weights to luff the
boom to its minimum radius
Answer:
to be able to lock or disconnect counter weights
Question:
once counter weight have been adjusted what process would be followed to
ensure the tower reaches equal balance before use
Answer:
to luff the boom down at minimum speed