Dismantle Of 4 Trees 3 With Ash Dieback
Conwy Valley, North Wales
3 Ash trees infected with ash die back and one cherry with a decaying cavity in Llanrwst in the Conway Valley.
The trees were dismantled using a crane to lower the cut sections of the trees to the ground where they were cut to smaller sections and chipped.
A crane was used for 'safety and speed of dismantling all 4 trees'.
As the integrity of the trees can be compromised with ash die back, it is safer to lower the climber into the tree than for him to climb it from the ground.
Double chains were used to ensure each limb is extra secure especially as the strength of Ash trees infected with Ash Die back are uncertain.
Great care was taken to avoid the main power cable that was adjacent to the trees and property.
Using a crane allows you remove larger sections of the tree at each time. The last cut on stem of the first ash tree weighed 2.2 tonnes.
Dismantling the cherry tree, you can see a 1.5 tonne stem with brash being lowered to be chipped. You can see the decay in the centre of the remaining stump.
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Our situation posed a series of complex challenges to getting the work required done. All options were assessed and discussed, risks identified and mitigated, and a plan of action drawn up.
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Pam Evans, August 2020
Photos
Click for larger photo.
Before
Using a crane for safety and speed of dismantling all 4 trees.
After
Bring the main stem down, taking great care to avoid main power line
Additional photos
Last cut on first Ash tree. Stem weights 2.2 tonnes.
1.5 tonne stem with brash on lowering to be chipped.
Last cut on the Cherry tree.
Decay right into the base of the tree.
Climber being lowered into the crown
One of the guys attached to the crane blowing all the saw dust off garage roof safely.
Remaking wood stacked ready to be collected, customer's drive way cleaned.