Dead Wood to a Min. 40mm (1.5") ?

Knotahippie

The 1995 ANSI 300 spec. for est. trees 10m< (30'<) states:

"Clear the crown of diseased, crossing, weak and dead wood to a min. 40mm (1.5")

Seems to say here that small dead wood in established trees dosen't need to be cut?

What do ya'll think?

Ekka

Many or our eucs have lots of deadwood on tips under say 1" dia ... seldom do we worry about it, they're only light twigs.

A lot of the smaller dead wood also has trouble falling straight to the ground and has a maze of obstacles to get through first.

Seems reasonable I think.

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dannyboysfc

Try getting every last little dead twig out of a tree, slow and tedious. I just get the bigger stuff and the unsightly smaller pieces.

treeseer

I jus tlooked thru the 2001 and the 2008 pruning standards and see nothing like that. Where is that coming from?

Knotahippie

Small deadwood yes...but 1.5" min? seems pretty big.

I try to tell customers not to cut anything unless they really need to.

I just wonder who really uses the figures (besides me...)

dannyboysfc

yeah your right, I usually take anything larger than say 3/4" or 1".

Knotahippie

Got it from Arboriculture text book, Inegrated management...Harris, Clark, Matheny. 1995.

Looks like this is the '95 ANSI standard. All the new ANSI guides are at my uncles house...

What does new standards say 'bout dead wood min?

treeseer

The *example* spec sheet #1 is a live oak by a pool getting cleaned; 1"+ deadwood out.

2nd example is an Arizona ash; just says "Remove dead branches". It is getting structurally thinned 20-25% with 1-4" cuts and one sprawling limb reduced 12'.

Different strokes for different species, and so on and so on and shoobydoobydooby...

These examples are not the standard; they are examples. Specs "can be written in a format that suits your company and the job." But tell your uncle that after 13 years it's time to get the new rule book. Lots has changed.

Knotahippie

Cool, we have current ANSI, was wondering what ANSI said about deadwood min.? Does it just give examples?

I'm kicking myself for not having them in front of me

treeseer

Standards have to be general so of course they give no specifics--that's the arborist's job.

The 2008 just came out--time to order.

newguy18

Same here,unless a client wants every little dead twig out of the tree.

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Knotahippie

I'm gonna' order a bunch and give em' out instead of halloween candy.