ASWP16 Use of a Mobile Crane to Remove Trees
Step Action
requires the crane operator to break wood by creating
lateral movements to the stem being cut through the boom
and hoist line. This action can apply a great deal of stress
to crane components.
Remove branches above the work
location to ensure that other
branches do not strike the worker
Use appropriate fall protection with chain saw use
Ensure severed limbs are removed appropriately
Communicate to crane operator
"beginning cut"
Ensure crane operator has heard and responds
Perform chain saw cut
Operate chain saw from the escape route side of the
stem
Make a controlled cut
Monitor movement of tree stem
Communicate with crane operator to adjust lifting
tension and or movement or direction to release
tension on section as needed
Reposition to escape route/method
Worker aloft moves to escape route/method
Worker communicates to crane operator to take the
load
Crane operator takes load and
lowers to ground
Ensure load is moved away from climber and not over
the climber's head
Ensure load is not transferred over ground workers
Remove choker(s) from cut section
on ground
Secure load from movement prior to releasing
choker(s)
Be aware of potential swing of headache ball
Remove the choker(s) from the headache ball hook
Remove the choker from the tree section
Replace the choker on the headache ball
Remove butt/guide ropes as necessary
Do not use crane to free slings that are stuck. Re-
position loads to free slings
Page 143