<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">HI Rob<div class="">what size tree?</div><div class="">on small trees = if cannot pull out with healthy tug by an adult who is monitoring the planting. </div><div class="">Note Blow downs of mature trees occur at 60-80 km per hr </div><div class=""><div class="">Alice </div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Apr 28, 2017, at 3:18 PM, Reny, Robert via CANUFNET <<a href="mailto:canufnet@list.web.net" class="">canufnet@list.web.net</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="WordSection1" style="page: WordSection1; font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-family: 'Arial Narrow', sans-serif;" class="">Hi All,<o:p class=""></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-family: 'Arial Narrow', sans-serif;" class=""><o:p class=""> </o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-family: 'Arial Narrow', sans-serif;" class="">Does anyone have any data or guidelines for replicating a force on a tree when performing a hand pull test? As part of our advanced risk assessment techniques, we will perform a hand pull test on smaller trees to assess soil, root or trunk movement. We’re curious as to the amount of force necessary to adequately represent a wind speed of up to 80 km/h. Any information on this subject would be appreciated.<o:p class=""></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-family: 'Arial Narrow', sans-serif;" class=""><o:p class=""> </o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-family: 'Arial Narrow', sans-serif;" class="">Thanks,<o:p class=""></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-family: 'Arial Narrow', sans-serif;" class=""><o:p class=""> </o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 9pt; color: rgb(64, 64, 64);" class="">ROB RENY | COORDINATOR, URBAN FORESTRY<br class=""><br class=""><span id="cid:image001.png@01D2C013.96CC9FF0"><image001.png></span><o:p class=""></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><b class=""><span style="font-size: 6pt; color: rgb(118, 146, 60);" class=""><o:p class=""> </o:p></span></b></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><b class=""><span style="font-size: 9pt; color: rgb(118, 146, 60);" class="">CITY OF SURREY<o:p class=""></o:p></span></b></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 9pt; color: rgb(153, 153, 153);" class="">Parks, Recreation and Culture<o:p class=""></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 9pt; color: rgb(153, 153, 153);" class="">6651 – 148 Street, Surrey, BC, Canada V3S 3C7<br class="">T 604.501.5090 | F 604.501.5177 <span class="Apple-converted-space"> </span></span><span style="color: rgb(31, 73, 125);" class=""><a href="http://www.surrey.ca/" style="color: purple; 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