Phil Hobbs wrote, on Mon, 16 Feb 2015 17:45:37 -0500:
Actually, if you saw the first pictures, the cables don't actually
"touch" any tree (this is the smallest pine at the low end):
What we did was attach two-by fours to the tree, and then wrap the cables
around the two by fours.
Dunno if that will "protect" the tree or not; but that's why we did
it that way (in theory).
You'll notice we doubled the cable at *both* ends also, so that
there are always *two* cables at all points, even around the big
tree where there is no cable joint at all.
Actually a bolt through the tree is the least damaging way to attach
something. The comparison with woodpeckers nests is not valid - they make
large holes that greatly interfere with sap flow. Methods wrapping around
a trunk can do enormous damage as the tree grows, including effectively
ring-barking (hence killing) the tree.
I helped my neighbor with the 75-foot by 16-foot wide (at the tree)
bridge today, so I figured I'd show you some shots from below:
Notice in that picture above that there is a "widowmaker" of about
ten feet long hanging in mid air, ready to fall. Also notice that the
"sucker" was cut flush, and the boards screwed to it ...just because
We're close enough to the big redwood to touch it now!
Here's a view, looking down, at the big tree, inches away from it:
That's a milestone after so much work starting at the other end.
I tried to get a picture to take the whole thing, from under:
But, the best I can show you in a single pic is a side view:
On Thursday, February 26, 2015 at 7:50:12 PM UTC-5, Danny D. wrote:
It is just me or do I keep seeing haphazard placement of the joists?
Why do some joists appear to be at angles?
What are some deck board spans much longer than others?
Why aren't I seeing 16" or 24" OC joists?
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