Options to use a crane hook as an anchor point
1 . Use the crane to position an anchor point over the tree then perform a Stationary Boom High Point ( SBHP ) rescue .
1 . Bring the hook to the ground in a safe location . 2 . Run the working ends of the main line and belay line through pulleys attached to the crane hook . 3 . Relocate the crane hook above the casualty whilst managing both tails of each rope . 4 . Install a redirect pulley on the crane structure in line with the crane boom to create a ‘ butt block ’ style rescue system . 5 . Perform a SBHP rescue .
See stationary boom high point earlier in this chapter .
2 . Use the crane to position an anchor point over the tree then perform a ‘ bottom-up ’ rope rescue .
1 . Bring the hook to the ground in a safe location . 2 . Fix the working ends of the main line and belay line to the crane hook . 3 . Relocate the crane hook above the casualty whilst managing the tail of each rope . 4 . Isolate the crane ( operator to secure and lock-off the hook at that point ). 5 . Ascend the ropes to perform a rope-based rescue .
3 . Use the ‘ crane access method ’.
1 . Bring the hook to the ground in a safe location . 2 . Fix the working ends of the main line and belay line to the crane hook . 3 . Bag up the tail of each rope . 4 . Connect the rescuer to the main line and belay line using suitable self-belay devices . 5 . Lift the rescuer into position above the casualty . 6 . Isolate the crane ( operator to secure and lock-off the hook at that point ). 7 . Throw the ropes into a suitable position . 8 . Perform a top-down rope-based rescue .
See attachment and lift procedure later in this chapter .
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