Tomography service in New England.

Arborimatt

Arborimatt

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Hi All,

Never posted before but I’ve gotten a lot of useful info from this spot.

My question: Does anyone know of a company that does tomography in New England, specifically New Hampshire? We have a client with an ancient red oak that wants to know more about what it looks like inside but we haven’t any luck yet finding a service.

Any leads or help would be greatly appreciated.

Thanks,
Matt
 

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At the ITCC in Columbus, OH this year, Bartlett Tree Experts had a demo of a sonic system with multiple probes & sensors that were tapped into the bark around the circumference of the sample disc. (~10 - 12 sensors). The signal went to a processor, then a computer, to show an internal structure image on a monitor. Very cool image. I think the device was ~ $17,000.
Bartlett was not selling the instrument; they bought it. I don't recall the brand.
Supposedly Bartlett has several units in their system.

I sent a e-mail to the Bartlett Rep, but got no reply.

Just general Info:
https://wwv.isa-arbor.com/events/schedule/resources/167/Gocke_Tomography.pdf
 
Great. Thanks for the info., Greg. I’ll see if I can also get in touch with them. Interesting powerpoint, definitely some cool images there too.
 
I got in touch w/ Bartlett.
ArborSonic 3D Acoustic Tomograph is the device.
Link & Contacts for Bartlett in NH & MA:

https://fakopp.com/en/product/arborsonic/

Hooksett, NH
P.O. Box 16359
Hooksett, NH 03106
Phone : 603-627-9400

Wolfeboro, NH
637 Center Street
Wolfeboro, NH 03894
Phone : 603-569-3163

Julie A. Swanton Clements
Administrative Assistant
ISA Certified Arborist, CTSP

Bartlett Tree Experts, Ashland Office
32 Nickerson Road, Ashland, MA 01752
508-881-2622 O | 508-881-8011 F | www.bartlett.com
 
Dr. Nick Brazee of U MASS offers tomography. He has come down to CT for us so I don't see why he would not travel to New Hampshire.
 
GregManning said:
I got in touch w/ Bartlett.
ArborSonic 3D Acoustic Tomograph is the device.
Link & Contacts for Bartlett in NH & MA:

https://fakopp.com/en/product/arborsonic/

Hooksett, NH
P.O. Box 16359
Hooksett, NH 03106
Phone : 603-627-9400

Wolfeboro, NH
637 Center Street
Wolfeboro, NH 03894
Phone : 603-569-3163

Julie A. Swanton Clements
Administrative Assistant
ISA Certified Arborist, CTSP

Bartlett Tree Experts, Ashland Office
32 Nickerson Road, Ashland, MA 01752
508-881-2622 O | 508-881-8011 F | www.bartlett.com
Click to expand...

Awesome. Thanks for calling Greg. Very nice of you.
 
Arborimatt said:
I’m not very familiar with this, but Im wondering if the tree is too big to get solid results from it?
Click to expand...

In 2014 I had a 42" DBH Red Oak inspected w/ a resistograph; after initially thinking that it should be dead wooded.
It was removed to protect the owner's house & property (stone wall, etc).

Post Link:
http://www.treebuzz.com/forum/threads/has-anybody-ever-used-a-resistograph.27309/#post-382627

Like anything else .................... get a good operator / technician.
 
GregManning said:
In 2014 I had a 42" DBH Red Oak inspected w/ a resistograph; after initially thinking that it should be dead wooded.
It was removed to protect the owner's house & property (stone wall, etc).

Post Link:
http://www.treebuzz.com/forum/threads/has-anybody-ever-used-a-resistograph.27309/#post-382627

Like anything else .................... get a good operator / technician.
Click to expand...
Definitely another option. And here Im thinking drilling is too basic. Always something new to learn. Now I just hope we don’t see the kind of rot that you saw then. Eek.
 
Arborimatt said:
I’m not very familiar with this, but Im wondering if the tree is too big to get solid results from it?
Click to expand...
How big does the tree have to be that 12" or 17" (depending on size of resistograph) of solid wood on 4 sides isn't enough?

Obviously that is one small piece of information in a much bigger picture, so don't base any diagnoses on just a resistograph or tomography reading....

Also note, as I'd hope whoever ends up helping you that every took has its limitations. For example a sonic tomographer may interpret an internal crack as a larger void. Also, you are looking at a very small slice. Again, highlighting that it is one piece of information...a very good piece when properly applied...but just one piece.
 
ATH said:
How big does the tree have to be that 12" or 17" (depending on size of resistograph) of solid wood on 4 sides isn't enough?

Obviously that is one small piece of information in a much bigger picture, so don't base any diagnoses on just a resistograph or tomography reading....

Also note, as I'd hope whoever ends up helping you that every took has its limitations. For example a sonic tomographer may interpret an internal crack as a larger void. Also, you are looking at a very small slice. Again, highlighting that it is one piece of information...a very good piece when properly applied...but just one piece.
Click to expand...

Thanks. I’ll keep that in mind whatever we end up using. My guess is that depending on the results there could be some undue concern from the homeowner if almost any rot is present. Definitely worth noting that it’s a small piece of a puzzle, like you said.
 
I just had a student do a project on decay detection and he reached out to Dr. Brazee at UMASS and he was very helpful. I would reach out to him and see what he has to say. The problem is inciting panic. As mentioned if there is any decay detected many homeowners panic and go into kill mode.
 
I gave him a call. We’ll see if we can get him up here. I know this tree is very important to the client but I do worry about unintended consequences here.
 
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