[CANUFNET] large tree moves

[james urban]

Actually all the trees at city hall, except the oaks, moved successfully.  The three oaks were not moved till well after bud break and I advised not to try moving the oaks after the project delayed their move time.  But they did it any way and the trees were dead by the end of the first summer.  Additionally the trees were supposed to be healed into gravel beds for one year,  They actually were not planted for over two years, again due to project delays.  All moved well and the last time I saw them about 5 years after transplant were fully established.  some of the trees were in full leaf when moved the second time.  The key was digging before bud break, air-spade digging and holding in gravel beds. At the City hall project the trees were so large that heavy equipment would have been required on the parking deck and the engineers determined the loads too great.  Bar root allowed us to move them with very light weight equipment.  There is an arborist in Cleveland, Ohio, Mark Hoenigman who does this as his primary method of moving very large trees.

Jim Urban, FASLA, ISA

> On Sep 5, 2019, at 3:14 PM, Jack Radecki via CANUFNET <canufnet at list.web.net> wrote:
> 
> It is my understanding that the City lost those trees that were moved at City Hall bare root and all. Weller Tree Service had moved the trees successfully over the years when the underground parking garage was under repair. I sent Nikki a message offline with suggestions based on my experience moving up to 18 inch DBH trees.
> Jack Radecki RCA 342
>  
> From: CANUFNET <canufnet-bounces at list.web.net <mailto:canufnet-bounces at list.web.net>> On Behalf Of Alice Casselman via CANUFNET
> Sent: September 5, 2019 2:59 PM
> To: Canadian Urban Forest Network <canufnet at list.web.net <mailto:canufnet at list.web.net>>
> Cc: Alice Casselman <alice.casselman37 at gmail.com <mailto:alice.casselman37 at gmail.com>>
> Subject: Re: [CANUFNET] large tree moves
>  
> Sheridan Nurseries ?
> A
>> On Sep 4, 2019, at 5:40 PM, james urban via CANUFNET <canufnet at list.web.net <mailto:canufnet at list.web.net>> wrote:
>>  
>> Actually the world trade trees were large by nursery standards about 10" dbh but all were nursery grown and prepared trees.   The prep went on for many years and were very expensive.  Not very applicable to the average project.  
>>  
>> I would suggest looking at moving large trees bare root as was done at the Toronto city hall.  I have heard of trees over 20” dbh being moved bare root.
>>  
>> Jim Urban
>> 
>> 
>>> On Sep 3, 2019, at 3:00 PM, Russell Eirich via CANUFNET <canufnet at list.web.net <mailto:canufnet at list.web.net>> wrote:
>>>  
>>> You should look at the new World Trade Tower building in New York.  They had some very large tree moves associated with that as part of the memorial. 
>>>  
>>> From: CANUFNET <canufnet-bounces at list.web.net <mailto:canufnet-bounces at list.web.net>> On Behalf Of Anguish, Nikki via CANUFNET
>>> Sent: Thursday, August 29, 2019 7:44 PM
>>> To: canufnet at list.web.net <mailto:canufnet at list.web.net>
>>> Cc: Anguish, Nikki <Nikki.Anguish at calgary.ca <mailto:Nikki.Anguish at calgary.ca>>
>>> Subject: [CANUFNET] large tree moves
>>>  
>>> Hi All
>>>  
>>> We are investigating moving a large elm tree.
>>>  
>>> It is a ~80 year old heritage tree with a canopy of 50’. We realize this is “Disney-esk” and not common in Western Canada; however, we are hoping that with the wealth of knowledge here, someone has experience and is willing to share ideas on the up-front costs and long term maintenance.
>>>  
>>> Thank you in advance!
>>>  
>>> Nikki
>>>  
>>> Nikki Anguish   
>>> Superintendent, Urban Forestry
>>> Calgary Parks 
>>> T 403.537.7550 |
>>> Nikki.Anguish at Calgary.ca <mailto:Nikki.Anguish at Calgary.ca>
>>> P.O Box 2100, Station M, Calgary, AB Canada T2P 2M5
>>>  
>>>  
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