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Here's the definitions of secured, and tied in, from appendix A of the 2006 Z. secured (person) (8.1.19): When an arborist is safeguarded from unintended movement by utilizing a climbing system that is attached to the arborist and connected to a tree or other stable support. Examples of being...

Hey, John...good to read you! No, secured does not mean three points of contact. It means attached to the tree by either a climbing rope system or a lanyard. I can totally agree with you about not ascending without having a rope with which I can reach the ground with me...but this rule goes...

There is a difference between being tied in and being secured, that's perhaps my main point here. I agree that you don't need two attachments to the tree unless you are using a chainsaw. But the rules say (in my 2006 Z anyway, like I said, I don't have the 2012 to refer to) that you have to be...

Well, ANSI isn't law, but rather an advisory for accepted industry standards. But a state or Federal OSHA will usually refer to ANSI standards when leveling a fine for an employer who is not meeting those standards, and OSHA seems to get to act like that makes it law. If an accident occurs...

I can agree with this Dave, in general. I do have doubts about the need for it to be a blanket policy. In my field we do so many types of work that do not carry the risks associated with chainsaw use aloft...and so much of it is in conifers. Maybe 95% of the trees in your working sphere...

Where do you get the tied in three times, Bud?

You don't need three secureings, just two. But one must be a climbing line system, a pair of lanyards doesn't pass muster, even if all you are doing is putting up a nest box with a hammer and nails after spuring up 25 feet.

:/: :D

Exactly, that's my thought to a T, Stig. As you say too, Quab.

I recently found myself digging through my Z133.1 (2006) after noting a quote from the 2012 version (which I don't own), in the new Sherrill catalog...which said: "ANSI Z133-2012 (6.3.7) Arborists shall be tied in and use a second means of being secured (i.e., work-positioning lanyard or second...