[CANUFNET] Constructing Driveways within Critical Root Zones

[Astrid Nielsen]

Thank you everyone for your good suggestions...this has been very helpful
and I'm grateful that we have a mechanism through which we can share this
valuable info.

Have a great weekend!

Astrid


__________________________________________
*Astrid Nielsen, *MFC
Ontario Registered Professional Forester
ISA Certified Arborist®
ISA Tree Risk Assessment Qualified

astrid.nielsen at dendronforestry.ca
+1.613.805.WOOD (9663)

www.dendronforestry <http://www.dendronforestry.ca>


On Fri, Jul 10, 2020 at 1:33 PM Philip van Wassenaer via CANUFNET <
canufnet at list.web.net> wrote:

> We have done a variety of these with various methods but our colleagues
> have provided you some really good guidance already. I think if you look at
> the pdf Geri just sent you, you have a gold star solution. You can source
> the materials for the layers from a whole variety of suppliers but the
> approach is cutting edge…IMHO 😊.
>
>
>
> Cheers,
>
>
>
> Philip
>
>
>
> *Philip van Wassenaer, B.SC <http://B.SC>., MFC*
>
> Urban Forest Innovations Inc.
>
> 1331 Northaven Drive
>
> Mississauga ON L5G 4E8
>
> Tel:  (905) 274-1022
>
> Cell: (647) 221-3046
>
> Fax: (905) 274-2170
>
> [image: UFI new logo very small]
>
>
>
> www.urbanforestinnovations.com
>
>
>
> *From:* CANUFNET <canufnet-bounces at list.web.net> *On Behalf Of *Geri
> Poisson via CANUFNET
> *Sent:* July 10, 2020 12:01 PM
> *To:* Canadian Urban Forest Network <canufnet at list.web.net>
> *Cc:* Geri Poisson <gpoisson at beaconenviro.com>
> *Subject:* Re: [CANUFNET] Constructing Driveways within Critical Root
> Zones
>
>
>
> We had a project where the client wanted to raise the grade over the root
> zone of a 100+ cm DBH White Oak. The city accepted a plan to use a plastic
> grid filled with gravel (see attached) laid over the existing grade to
> avoid compaction and allow infiltrations.  I’m not sure that it has been
> constructed yet, so I can’t speak to how successful the method will be in
> protecting the tree’s health and survival, but the city accepted it.
>
>
>
> *Geri Poisson, B.A. (Hons.), Dipl. Eco. Restoration / Terrestrial
> Ecologist, ISA Certified Arborist*
>
> *Beacon Environmental*
>
> 6 Cumberland St., Barrie, ON L4N 2P4
>
> T) 705.999.4935 x249  C) 705.828.1196
>
> www.beaconenviro.com
> <https://can01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.beaconenviro.com&data=02%7C01%7Cgpoisson%40beaconenviro.com%7Cee60e28cb2064cd8224108d7798fcf4f%7C7ad3048f5c1d4bc1b2a671cdb2d9e8f1%7C0%7C0%7C637111530868126573&sdata=00ounYtxds2VsraFAcE6Q%2BdsQtjoXOcd0oTUS0ol1LI%3D&reserved=0>
>
>
>
> *To protect our staff, families, clients and the greater community all
> Beacon staff are working remotely. We will continue to provide timely
> communications via email and telephone and are committed to providing the
> highest level of service possible during this challenging time. *
>
>
>
> *From:* CANUFNET <canufnet-bounces at list.web.net> *On Behalf Of *Astrid
> Nielsen via CANUFNET
> *Sent:* July 10, 2020 11:15 AM
> *To:* Canadian Urban Forest Network <canufnet at list.web.net>
> *Cc:* Astrid Nielsen <astrid.nielsen at dendronforestry.ca>
> *Subject:* [CANUFNET] Constructing Driveways within Critical Root Zones
>
>
>
> Hello Canufnet members,
>
>
>
> I have a client that is building two homes on an infill lot where there is
> a very large (106 cm), healthy silver maple. He is very willing to
> explore different options for working around the tree that would cause
> minimum disruption to the roots.
>
>
>
> Does anyone have examples of building driveways within the critical root
> zones of large trees that have managed to prevent significant root damage
> and tree decline? Specifically, he is considering a type of elevated
> driveway that would not require the severing of roots or significant soil
> compaction, and dissipate the pressure through posts. Although the posts
> would cause some root damage, it would be significantly less than
> excavation for a standard driveway. If anyone has examples of this type of
> engineering, I would be grateful if you could share it with me.
>
>
>
> Thank you,
>
>
>
> Astrid
>
>
>
> ______________________________________
>
> *Astrid Nielsen, *MFC
>
> Ontario Registered Professional Forester
>
> ISA Certified Arborist®
>
> ISA Tree Risk Assessment Qualified
>
>
>
> astrid.nielsen at dendronforestry.ca
>
> +1.613.805.WOOD (9663)
>
>
>
> www.dendronforestry
> <https://can01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.dendronforestry.ca%2F&data=02%7C01%7Cgpoisson%40beaconenviro.com%7C16b372ce5e9f451f789308d824e59096%7C7ad3048f5c1d4bc1b2a671cdb2d9e8f1%7C0%7C0%7C637299915675762450&sdata=xsWmVHkOi7KAUCiZIMwKgEOZpqTRxKp7isUvikFRFYM%3D&reserved=0>
>
>
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