NZ vegetation management regulations require pruning poles (used around electrical lines) to be “Dry” tested every six months and “Wet” tested every two years. Earlier in the year the testing level for fibreglass pruner poles was raised from 45KV to 75KV.
Since raising the NZ electrical rating Jameson JE Series poles ..
The Petzl Caritool (large and small is one of those 'can't do without' bits of tree climbing kit but it is not without its critics.
The biggest issue with the Caritool, particularly the small version, is its tendency to break (sometimes ..
Advanced tree climbers can stop reading now - this blog post is not for you! And… when Treetools refers to 'dummies' we don't literally mean 'dummies' - we are talking to readers new to tree climbing (in a kind-hearted way).
Listed below is a non-intimidating series of questions first time ..
Every now and then a 'disruptive' new product enters the market and changes the rules of the game.
The Petzl ZigZag mechanical prusik offers a benefit package with appeal to individual tree climbers as well as aerial arb companies, potentially compounding this ..
The tree removal job of the year is yours. You have quoted to cover the cost of purchasing the equipment needed to complete the job but you cannot invest in the gear until you get paid by the client. And you won't get paid by the client until the job ..
Tri-lock, triple-lock, self-lock or 3-way carabiners are not fail safe - the gate can accidentally open while climbing!
Marketing, and the prominence of ratings and certification on hardware, paints a picture of ultimate safety for the climber but using current tree climbing methods the ..
As part of the certification process all 'popular brand' tree care work positioning harnesses display some form of label to clearly identify the manufacturer, ratings etc. The serial number often includes the month and year of manufacturer.
On the rating front, tree climbing harnesses sourced from Europe display EN 813 ..
Think of the humble wire coat hanger - bend it once and it will not break, bend it ten times and it might not break but bend the coat hanger enough times and it will finally give!
The concept is known as Cycles-to-Failure.
The term is more commonly associated with ..
It's a big call indeed to state categorically which climbing line is best suited to either climbing style; DbRT (doubled rope) or SRT (specifically single line work positioning)… so we'll resort to the sales volume through Treetools as the barometer for popularity.
Treetools cannot quote international sales figures for triple-lock (Triact or Locksafe) carabiners but we do know our own market very well. For the uninitiated, triple-lock carabiners require three distinct movements of the barrel in order to open the gate and are considered mandatory in aerial arboriculture.
The Top 5 triple-lock aluminum ..
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