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<p class="MsoPlainText">I would like to take up JESSICA TIVY's invitation to respond to NEAL AVEN's call for information re: Forces that Tree Root's exert.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">A good report to reference is Jeremy Barrell's report <b>
Trees and Structural Damage</b><o:p></o:p></p>
<p class="MsoPlainText"><a href="http://www.barrelltreecare.co.uk/pdfs/BTC51-RICS-Complete-040311-LR.pdf">http://www.barrelltreecare.co.uk/pdfs/BTC51-RICS-Complete-040311-LR.pdf</a><o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">In Jeremy’s report he references the <b>Forces Exerted by Tree Roots</b>
<a href="http://www.treehelp.info/">http://www.treehelp.info/</a> .<o:p></o:p></p>
<p class="MsoPlainText">This report contains case studies and calculations about the forces that Tree Roots can exert.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">However I would like to question your approach. Instead of “hardening” the infrastructure such as driveways, building foundations… at great expense would it not be much cheaper and more efficient to use Root Barrier technology to protect
<o:p></o:p></p>
<p class="MsoPlainText">the infrastructure from tree root damage? Then it is just a matter of specifications.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">There are many Journal Articles on the efficacy of Root Barrier technology to protect hardscapes going back to at least 2000.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">E. Gregory McPherson - Journal of Arboriculture 26(6): November 2000
<o:p></o:p></p>
<p class="MsoPlainText">EXPENDITURES ASSOCIATED WITH CONFLICTS<o:p></o:p></p>
<p class="MsoPlainText">BETWEEN STREET TREE ROOT GROWTH AND HARDSCAPE IN CALIFORNIA, UNITED STATES
<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">E. Thomas Smiley Journal of Arboriculture 31(3) May 2005<o:p></o:p></p>
<p class="MsoPlainText">ROOT GROWTH NEAR VERTICAL ROOT BARRIERS<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Paula J. Peper and Philip A. Barker Landscape Below Ground 2005<o:p></o:p></p>
<p class="MsoPlainText">A Buyer's Technical Guide to Root Barriers<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Michael James<o:p></o:p></p>
<p class="MsoPlainText">DeepRoot Canada Corp.<o:p></o:p></p>
<p class="MsoPlainText">800 561 3883 w<o:p></o:p></p>
<p class="MsoPlainText">604 687 0899 w<o:p></o:p></p>
<p class="MsoPlainText">604 684 6744 f<o:p></o:p></p>
<p class="MsoPlainText">604 220 9521 c<o:p></o:p></p>
<p class="MsoPlainText">mjames@deeproot.com<o:p></o:p></p>
<p class="MsoPlainText">www.deeproot.com<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">-----Original Message-----<br>
From: CANUFNET [mailto:canufnet-bounces@list.web.net] On Behalf Of canufnet-request@list.web.net<br>
Sent: Friday, April 25, 2014 1:15 PM<br>
To: canufnet@list.web.net<br>
Subject: CANUFNET Digest, Vol 111, Issue 5</p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Send CANUFNET mailing list submissions to<o:p></o:p></p>
<p class="MsoPlainText"> <a href="mailto:canufnet@list.web.net"><span style="color:windowtext;text-decoration:none">canufnet@list.web.net</span></a><o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
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<p class="MsoPlainText">or, via email, send a message with subject or body 'help' to<o:p></o:p></p>
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<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">You can reach the person managing the list at<o:p></o:p></p>
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<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">When replying, please edit your Subject line so it is more specific than "Re: Contents of CANUFNET digest..."<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Today's Topics:<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"> 1. Re: Tree roots and pavement (James Urban)<o:p></o:p></p>
<p class="MsoPlainText"> 2. Re: Tree roots and pavement (Jessica Tivy)<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">----------------------------------------------------------------------<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Message: 1<o:p></o:p></p>
<p class="MsoPlainText">Date: Fri, 25 Apr 2014 14:10:13 -0400<o:p></o:p></p>
<p class="MsoPlainText">From: James Urban <<a href="mailto:urbantree@toad.net"><span style="color:windowtext;text-decoration:none">urbantree@toad.net</span></a>><o:p></o:p></p>
<p class="MsoPlainText">To: Canadian Urban Forest Network <<a href="mailto:canufnet@list.web.net"><span style="color:windowtext;text-decoration:none">canufnet@list.web.net</span></a>><o:p></o:p></p>
<p class="MsoPlainText">Subject: Re: [CANUFNET] Tree roots and pavement<o:p></o:p></p>
<p class="MsoPlainText">Message-ID: <<a href="mailto:B8B1AF9E-7F61-4258-8E98-7E6602328791@toad.net"><span style="color:windowtext;text-decoration:none">B8B1AF9E-7F61-4258-8E98-7E6602328791@toad.net</span></a>><o:p></o:p></p>
<p class="MsoPlainText">Content-Type: text/plain; charset="us-ascii"<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">The only person who I know that was working on this was Jason Grabowski at Rutgers.
<a href="mailto:grabosky@AESOP.Rutgers.edu"><span style="color:windowtext;text-decoration:none">grabosky@AESOP.Rutgers.edu</span></a> He was part way thru a very promising research project that ran into funding issues. Possibly a contact to him might reveal
more and also he might share his literature search findings. If anyone is working on this I bet he knows.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Jim Urban, FASLA / Urban Trees + Soils<o:p></o:p></p>
<p class="MsoPlainText">915 Creek Drive / Annapolis, Maryland 21403<o:p></o:p></p>
<p class="MsoPlainText">Cell 410 693 9053 Office 410 263 4838<o:p></o:p></p>
<p class="MsoPlainText"><a href="mailto:urbantree@toad.net"><span style="color:windowtext;text-decoration:none">urbantree@toad.net</span></a><o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">On Apr 25, 2014, at 12:15 PM, Aven, Neal <<a href="mailto:NWAven@surrey.ca"><span style="color:windowtext;text-decoration:none">NWAven@surrey.ca</span></a>> wrote:<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">> Hi all,<o:p></o:p></p>
<p class="MsoPlainText">> <o:p></o:p></p>
<p class="MsoPlainText">> I am currently searching for information related to the forces that tree roots exert. The goal of my research on this topic is to work with an engineering firm to analyse these forces to inform building requirements in Surrey in order
to give builders the specifications they need to install driveways and walkways that can better withstand the forces that tree roots exert. The hope is that properly built driveways and walkways will then have fewer root heave problems in the future as our
urban forest matures.<o:p></o:p></p>
<p class="MsoPlainText">> <o:p></o:p></p>
<p class="MsoPlainText">> Do you happen to have any research at your fingertips on this topic? Or any suggestions to direct my search?<o:p></o:p></p>
<p class="MsoPlainText">> <o:p></o:p></p>
<p class="MsoPlainText">> Cheers,<o:p></o:p></p>
<p class="MsoPlainText">> NEAL AVEN<o:p></o:p></p>
<p class="MsoPlainText">> Urban Forestry and Environmental Programs Manager <image001.png> Parks
<o:p></o:p></p>
<p class="MsoPlainText">> Division<o:p></o:p></p>
<p class="MsoPlainText">> 14645 - 66 Ave, Surrey, BC, Canada V3S 5M2 T 604.501.5170 | F
<o:p></o:p></p>
<p class="MsoPlainText">> 604.501.5177 | <a href="http://www.surrey.ca"><span style="color:windowtext;text-decoration:none">www.surrey.ca</span></a><o:p></o:p></p>
<p class="MsoPlainText">> <o:p></o:p></p>
<p class="MsoPlainText">> Please consider the environment before printing this email<o:p></o:p></p>
<p class="MsoPlainText">> <o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
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<p class="MsoPlainText">------------------------------<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Message: 2<o:p></o:p></p>
<p class="MsoPlainText">Date: Fri, 25 Apr 2014 20:13:53 +0000<o:p></o:p></p>
<p class="MsoPlainText">From: Jessica Tivy <<a href="mailto:jtivy@mhbcplan.com"><span style="color:windowtext;text-decoration:none">jtivy@mhbcplan.com</span></a>><o:p></o:p></p>
<p class="MsoPlainText">To: Canadian Urban Forest Network <<a href="mailto:canufnet@list.web.net"><span style="color:windowtext;text-decoration:none">canufnet@list.web.net</span></a>><o:p></o:p></p>
<p class="MsoPlainText">Subject: Re: [CANUFNET] Tree roots and pavement<o:p></o:p></p>
<p class="MsoPlainText">Message-ID:<o:p></o:p></p>
<p class="MsoPlainText"> <<a href="mailto:c1b3109790bf4b019a2f312fbd8a9f67@BY2PR04MB080.namprd04.prod.outlook.com"><span style="color:windowtext;text-decoration:none">c1b3109790bf4b019a2f312fbd8a9f67@BY2PR04MB080.namprd04.prod.outlook.com</span></a>><o:p></o:p></p>
<p class="MsoPlainText"> <o:p></o:p></p>
<p class="MsoPlainText">Content-Type: text/plain; charset="us-ascii"<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Hi Neal,<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">We specify the following product on our jobs - perhaps the company may share information with you that would be helpful.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><a href="http://www.deeproot.com/products/root-barrier/applications"><span style="color:windowtext;text-decoration:none">http://www.deeproot.com/products/root-barrier/applications</span></a><o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Jessica<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">JESSICA TIVY | OALA, CSLA | Landscape Architect | ISA Certified Arborist<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">MHBC Planning, Urban Design & Landscape Architecture<o:p></o:p></p>
<p class="MsoPlainText">540 Bingemans Centre Drive, Suite 200| Kitchener | ON | N2B 3X9 | T 519 576 3650 x 729 | F 519 576 0121 |
<a href="mailto:jtivy@mhbcplan.com%3cmailto:jtivy@mhbcplan.com"><span style="color:windowtext;text-decoration:none">jtivy@mhbcplan.com<mailto:jtivy@mhbcplan.com</span></a>> |
<a href="http://www.mhbcplan.com%3chttp:/www.mhbcplan.com/"><span style="color:windowtext;text-decoration:none">www.mhbcplan.com<http://www.mhbcplan.com/</span></a>><o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">[Email Signature Banner Template]<<a href="https://www.facebook.com/pages/MHBC/291329554296234?id=291329554296234&sk=app_190322544333196"><span style="color:windowtext;text-decoration:none">https://www.facebook.com/pages/MHBC/291329554296234?id=291329554296234&sk=app_190322544333196</span></a>><o:p></o:p></p>
<p class="MsoPlainText">This communication is intended solely for the named addressee(s) and may contain information that is privileged, confidential, protected or otherwise exempt from disclosure. No waiver of confidence, privilege, protection or otherwise
is made. If you are not the intended recipient of this communication, please advise us immediately and delete this email without reading, copying or forwarding it to anyone.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">From: CANUFNET [<a href="mailto:canufnet-bounces@list.web.net"><span style="color:windowtext;text-decoration:none">mailto:canufnet-bounces@list.web.net</span></a>] On Behalf Of Aven, Neal<o:p></o:p></p>
<p class="MsoPlainText">Sent: April-25-14 12:15 PM<o:p></o:p></p>
<p class="MsoPlainText">To: <a href="mailto:canufnet@list.web.net"><span style="color:windowtext;text-decoration:none">canufnet@list.web.net</span></a><o:p></o:p></p>
<p class="MsoPlainText">Subject: [CANUFNET] Tree roots and pavement<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Hi all,<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">I am currently searching for information related to the forces that tree roots exert. The goal of my research on this topic is to work with an engineering firm to analyse these forces to inform building requirements in Surrey in order
to give builders the specifications they need to install driveways and walkways that can better withstand the forces that tree roots exert. The hope is that properly built driveways and walkways will then have fewer root heave problems in the future as our
urban forest matures.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Do you happen to have any research at your fingertips on this topic? Or any suggestions to direct my search?<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Cheers,<o:p></o:p></p>
<p class="MsoPlainText">NEAL AVEN<o:p></o:p></p>
<p class="MsoPlainText">Urban Forestry and Environmental Programs Manager [<a href="cid:image001.png@01CF5EE1.C8238FA0"><span style="color:windowtext;text-decoration:none">cid:image001.png@01CF5EE1.C8238FA0</span></a>]<o:p></o:p></p>
<p class="MsoPlainText">Parks Division<o:p></o:p></p>
<p class="MsoPlainText">14645 - 66 Ave, Surrey, BC, Canada V3S 5M2 T 604.501.5170 | F 604.501.5177 |
<a href="http://www.surrey.ca"><span style="color:windowtext;text-decoration:none">www.surrey.ca</span></a><o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Please consider the environment before printing this email<o:p></o:p></p>
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<p class="MsoPlainText">End of CANUFNET Digest, Vol 111, Issue 5<o:p></o:p></p>
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