tag:blogger.com,1999:blog-80603667026567443232024-03-13T13:38:09.668+02:00Willem Avenant Tree SpecialistWillem Avenant Tree Specialisthttp://www.blogger.com/profile/04096926638855097232noreply@blogger.comBlogger20125tag:blogger.com,1999:blog-8060366702656744323.post-57301360612850472972013-10-08T18:33:00.001+02:002013-10-10T21:39:01.207+02:00<iframe src="https://docs.google.com/forms/d/1pRWPkUduSXOQlExGzE7WSZTjEaNqwgmfCvk0QMGku7E/viewform?embedded=true" width="560" height="500" frameborder="0" marginheight="0" marginwidth="0">Loading...</iframe>Willem Avenant Tree Specialisthttp://www.blogger.com/profile/04096926638855097232noreply@blogger.com0tag:blogger.com,1999:blog-8060366702656744323.post-16531936430150740152013-04-15T12:33:00.000+02:002013-10-10T21:39:50.553+02:00Don't Use Climbing Spikes When Pruning Trees<table border="0" cellpadding="0" cellspacing="0" class="MsoNormalTable" style="background: #CBCBCB; mso-cellspacing: 0cm; mso-padding-alt: 0cm 0cm 0cm 0cm; mso-yfti-tbllook: 1184; width: 550px;">
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<span style="color: #1e150e; font-family: "Arial","sans-serif"; font-size: 10.0pt; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-ZA;">Is your
tree care provider using spikes to climb while pruning your trees?
Ouch!<br />
<br />
Climbing spikes are sharpened steel spikes attached to the climber's
leg by leather straps and padded supports. These spikes are
traumatizing to your living tree and create unnecessary damage.<br />
<br />
Each puncture from a climbing spike produces a certain amount of tree
tissue death around it to some extent, varying from tree to tree. In
most cases isolated wounds will seal, but over time, groupings of
spike holes can cause the entire area on the trunk to die back with no
chance of recovery.<br />
<br />
The likelihood of piercing the cambium (living tissue beneath the bark)
is high, even with larger trees and thick bark. If soon after the work
is performed with spikes there is sap oozing from the wounds, the tree
is responding to spike damage. Repeated damage of this type is harmful
to the tree.<br />
<br />
So why would climbers use spikes? The use of tree climbing spikes
(spurs, hooks, gaff, irons, etc.) is a once-practiced method of
climbing trees that has proven to be harmful to long-term tree health.
The climber, using one leg at a time, will kick these spikes into the
tree tissue and take alternate steps to ascend the tree - similar to
climbing a ladder.</span><span style="color: #1e150e; font-family: "Arial","sans-serif"; font-size: 10.0pt; mso-bidi-font-size: 11.0pt; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-ZA;"> </span><span style="color: #1e150e; font-family: "Arial","sans-serif"; font-size: 10.0pt; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-ZA;"><br />
<br />
There are certain exceptions, when spikes are allowed, such as:<o:p></o:p></span></div>
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<li class="MsoNormal" style="color: #1e150e;"><span style="font-family: "Arial","sans-serif"; font-size: 10.0pt; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-ZA;">when the tree is being removed.<o:p></o:p></span></li>
<li class="MsoNormal" style="color: #1e150e;"><span style="font-family: "Arial","sans-serif"; font-size: 10.0pt; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-ZA;">when the tree is dead.<o:p></o:p></span></li>
<li class="MsoNormal" style="color: #1e150e;"><span style="font-family: "Arial","sans-serif"; font-size: 10.0pt; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-ZA;">to reach an injured climber.<o:p></o:p></span></li>
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<span style="color: #1e150e; font-family: "Arial","sans-serif"; font-size: 10.0pt; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-ZA;">Professional tree care companies are aware of the dangers of
spikes and use proper tree equipment such as ropes and climbing
harnesses to climb (or aerial lift devices and cranes if accessible).
This, coupled with their training and experience, contributes to the
future health of the tree.<o:p></o:p></span></div>
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<span style="color: #1e150e; font-family: "Arial","sans-serif"; font-size: 10.0pt; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-ZA;">Homeowners searching for qualified tree care companies should
look for the following: <o:p></o:p></span></div>
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<li class="MsoNormal" style="color: #1e150e;"><b><span style="font-family: "Arial","sans-serif"; font-size: 10.0pt; mso-bidi-font-size: 11.0pt; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-ZA;">Good References:</span></b><span style="font-family: "Arial","sans-serif"; font-size: 10.0pt; mso-bidi-font-size: 11.0pt; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-ZA;"> </span><span style="font-family: "Arial","sans-serif"; font-size: 10.0pt; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-ZA;">Ask for references, and check on the
quality of their work. Don't be rushed by a bargain and don't pay
in advance.<o:p></o:p></span></li>
<li class="MsoNormal" style="color: #1e150e;"><b><span style="font-family: "Arial","sans-serif"; font-size: 10.0pt; mso-bidi-font-size: 11.0pt; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-ZA;">Solid Reputation:</span></b><span style="font-family: "Arial","sans-serif"; font-size: 10.0pt; mso-bidi-font-size: 11.0pt; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-ZA;"> </span><span style="font-family: "Arial","sans-serif"; font-size: 10.0pt; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-ZA;">Verify professional affiliations the
company might have.<o:p></o:p></span></li>
<li class="MsoNormal" style="color: #1e150e;"><b><span style="font-family: "Arial","sans-serif"; font-size: 10.0pt; mso-bidi-font-size: 11.0pt; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-ZA;">Up-to-Date Knowledge:</span></b><span style="font-family: "Arial","sans-serif"; font-size: 10.0pt; mso-bidi-font-size: 11.0pt; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-ZA;"> </span><span style="font-family: "Arial","sans-serif"; font-size: 10.0pt; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-ZA;">Ask if they follow ANSI Standards. A
professional arborist will be aware of the current safety,
pruning, fertilizing, and cabling standards. <o:p></o:p></span></li>
<li class="MsoNormal" style="color: #1e150e;"><b><span style="color: windowtext; font-family: "Arial","sans-serif"; font-size: 10.0pt; mso-bidi-font-size: 11.0pt; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-ZA;">Contract:</span></b><span style="font-family: "Arial","sans-serif"; font-size: 10.0pt; mso-bidi-font-size: 11.0pt; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-ZA;"> </span><span style="font-family: "Arial","sans-serif"; font-size: 10.0pt; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-ZA;">Insist on a signed
contract as to cost, <a href="http://myemail.constantcontact.com/For-Immediate-Release--Don-t-Use-Climbing-Spikes-When-Pruning-Trees.html?soid=1109594220206&aid=8KThy-SthTY" title="Click to Continue > by Browse to Save"><span style="color: #1e150e; text-decoration: none; text-underline: none;">dates</span></a></span><span style="font-family: "Arial","sans-serif"; font-size: 10.0pt; mso-bidi-font-size: 11.0pt; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-ZA;"> </span><span style="font-family: "Arial","sans-serif"; font-size: 10.0pt; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-ZA;">when work is to be
performed, and exactly what is to be done. Insist that climbing
spikes are used only if the tree is to be cut down. <o:p></o:p></span></li>
</ul>
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<b><span style="color: #1e150e; font-family: "Arial","sans-serif"; font-size: 10.0pt; mso-bidi-font-size: 11.0pt; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-ZA;">Find a Professional</span></b><span style="color: #1e150e; font-family: "Arial","sans-serif"; font-size: 10.0pt; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-ZA;"><br />
A professional arborist can assess your landscape and work with you to
determine the best trees and shrubs to plant for your existing
landscape. <o:p></o:p></span></div>
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<span style="color: #1e150e; font-family: "Arial","sans-serif"; font-size: 10.0pt; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-ZA;">From </span><span class="apple-converted-space"><span style="background-position: initial initial; background-repeat: initial initial; color: #1e150e; font-family: Arial, sans-serif; font-size: 10pt;"> </span></span><strong><span style="background-position: initial initial; background-repeat: initial initial; color: #1e150e; font-family: Arial, sans-serif; font-size: 10pt;"><a href="http://www.tcia.org/?utm_source=For+Immediate+Release%3A+Don%27t+Use+Climbing+Spikes+When+Pruning+Trees&utm_campaign=Press+Releases&utm_medium=socialshare" shape="rect" target="_blank"><span style="color: black;">www.tcia.org</span></a></span></strong><span class="apple-converted-space"><span style="background-position: initial initial; background-repeat: initial initial; color: #1e150e; font-family: Arial, sans-serif; font-size: 10pt;">.</span><span style="color: #1e150e; font-family: "Arial","sans-serif"; font-size: 10.0pt; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-ZA;"><o:p></o:p></span></span></div>
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Willem Avenant Tree Specialisthttp://www.blogger.com/profile/04096926638855097232noreply@blogger.com1tag:blogger.com,1999:blog-8060366702656744323.post-29687495891319807452013-04-08T07:15:00.000+02:002013-04-08T07:17:54.636+02:00Preparing for Future Storms<br />
<figure style="background-color: white; box-sizing: border-box; color: #444444; font-family: Helvetica, Arial, sans-serif; font-size: 14px; line-height: 20px; margin: 0px 0px 20px;"><img alt="Preparing for future storms" src="http://www.arborday.org/media/stormrecovery/images/preparing.jpg" style="border: 1px solid rgb(187, 187, 187); box-sizing: border-box; max-width: 100%; padding: 10px;" /></figure><br />
<div style="background-color: white; box-sizing: border-box; margin-bottom: 20px;">
</div>
<div class="MsoNormal" style="color: #444444; font-family: Helvetica, Arial, sans-serif; font-size: 14px; line-height: 15pt; margin-bottom: 15pt;">
<span style="font-family: Helvetica, sans-serif; font-size: 10.5pt;">Major storms can inflict severe
damage to tree canopy in a short period of time. But in every storm, some trees
survive with minimal damage. With proper care, much of the worst damage to
trees and property can be prevented.<o:p></o:p></span></div>
<div class="MsoNormal" style="color: #444444; font-family: Helvetica, Arial, sans-serif; font-size: 14px; line-height: 15pt; margin-bottom: 15pt;">
<span style="font-family: Helvetica, sans-serif; font-size: 10.5pt;">Here are five suggestions for pruning
and care:<o:p></o:p></span></div>
<div class="MsoNormal" style="color: #444444; font-family: Helvetica, Arial, sans-serif; font-size: 14px; line-height: 15pt; margin: 7.5pt 0cm; text-indent: -18pt;">
<!--[if !supportLists]--><span style="color: black; font-family: Symbol; font-size: 10.0pt; mso-bidi-font-family: Symbol; mso-bidi-font-size: 10.5pt; mso-fareast-font-family: Symbol; mso-fareast-language: EN-ZA;">·<span style="font-family: 'Times New Roman'; font-size: 7pt; line-height: normal;">
</span></span><!--[endif]--><b><span style="font-family: Helvetica, sans-serif; font-size: 10.5pt;">Encourage
good</span></b><b><span style="color: black; font-family: "Helvetica","sans-serif"; font-size: 10.5pt; mso-bidi-font-family: "Times New Roman"; mso-bidi-font-size: 11.0pt; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-ZA;"> </span></b><b><span style="font-family: Helvetica, sans-serif; font-size: 10.5pt;"><span style="color: #444444; text-decoration: none; text-underline: none;">branch</span></span></b><b><span style="color: black; font-family: "Helvetica","sans-serif"; font-size: 10.5pt; mso-bidi-font-family: "Times New Roman"; mso-bidi-font-size: 11.0pt; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-ZA;"> </span></b><b><span style="font-family: Helvetica, sans-serif; font-size: 10.5pt;">angles.</span></b><span style="font-family: Helvetica, sans-serif; font-size: 10.5pt;"> For most deciduous trees, narrow angles
between two branches signal a <span style="color: #444444; text-decoration: none; text-underline: none;">point</span> of future
weakness. A good rule of thumb for many deciduous trees is to keep the angles
at 10 o'clock or 2 o'clock.</span><span style="color: black; font-family: "Helvetica","sans-serif"; font-size: 10.5pt; mso-bidi-font-family: "Times New Roman"; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-ZA;"><o:p></o:p></span></div>
<div class="MsoNormal" style="color: #444444; font-family: Helvetica, Arial, sans-serif; font-size: 14px; line-height: 15pt; margin: 7.5pt 0cm; text-indent: -18pt;">
<!--[if !supportLists]--><span style="font-family: Symbol; font-size: 10pt;">·<span style="font-family: 'Times New Roman'; font-size: 7pt; line-height: normal;">
</span></span><!--[endif]--><b><span style="font-family: Helvetica, sans-serif; font-size: 10.5pt;">Encourage
strong branch/trunk size relationship.</span></b><span style="font-family: Helvetica, sans-serif; font-size: 10.5pt;"> Ideally,
lateral branches should be no more than 1/2 to 1/4 the diameter of the trunk.<o:p></o:p></span></div>
<div class="MsoNormal" style="color: #444444; font-family: Helvetica, Arial, sans-serif; font-size: 14px; line-height: 15pt; margin: 7.5pt 0cm; text-indent: -18pt;">
<!--[if !supportLists]--><span style="font-family: Symbol; font-size: 10pt;">·<span style="font-family: 'Times New Roman'; font-size: 7pt; line-height: normal;">
</span></span><!--[endif]--><b><span style="font-family: Helvetica, sans-serif; font-size: 10.5pt;">Maintain
a stable center of gravity.</span></b><span style="font-family: Helvetica, sans-serif; font-size: 10.5pt;"> The center of
gravity for a tree should be over the trunk. Remove branches on the leaning
side and encourage branch growth on the opposite side.<o:p></o:p></span></div>
<div class="MsoNormal" style="color: #444444; font-family: Helvetica, Arial, sans-serif; font-size: 14px; line-height: 15pt; margin: 7.5pt 0cm; text-indent: -18pt;">
<!--[if !supportLists]--><span style="font-family: Symbol; font-size: 10pt;">·<span style="font-family: 'Times New Roman'; font-size: 7pt; line-height: normal;">
</span></span><!--[endif]--><b><span style="font-family: Helvetica, sans-serif; font-size: 10.5pt;">Remove
temporary branches.</span></b><span style="font-family: Helvetica, sans-serif; font-size: 10.5pt;"> This includes rubbing branches,
suckers and watersprouts.<o:p></o:p></span></div>
<div class="MsoNormal" style="color: #444444; font-family: Helvetica, Arial, sans-serif; font-size: 14px; line-height: 15pt; margin: 7.5pt 0cm; text-indent: -18pt;">
<!--[if !supportLists]--><span style="font-family: Symbol; font-size: 10pt;">·<span style="font-family: 'Times New Roman'; font-size: 7pt; line-height: normal;">
</span></span><!--[endif]--><b><span style="font-family: Helvetica, sans-serif; font-size: 10.5pt;">Don't
cut branches back to stubs.</span></b><span style="font-family: Helvetica, sans-serif; font-size: 10.5pt;"> Long, natural
limbs on a tree are strong and can withstand storm-like <span style="color: #444444; text-decoration: none; text-underline: none;">conditions</span>. If a branch
needs to be removed, cut it back to the main branch or to the tree's trunk.</span><br />
<span style="color: #444444; font-family: Helvetica, sans-serif; line-height: 15pt; text-indent: -18pt;"><br /></span>
<span style="color: #444444; font-family: Helvetica, sans-serif; line-height: 15pt; text-indent: -18pt;">From </span><span style="color: #444444; font-family: Helvetica, sans-serif; line-height: 15pt; text-indent: -18pt;">http://www.arborday.org.</span></div>
<br />Willem Avenant Tree Specialisthttp://www.blogger.com/profile/04096926638855097232noreply@blogger.com1tag:blogger.com,1999:blog-8060366702656744323.post-55210269320705462362012-11-13T18:04:00.001+02:002012-11-13T18:04:09.463+02:00Testimonial<span style="background-color: white; color: #333333; font-family: 'lucida grande', tahoma, verdana, arial, sans-serif; font-size: 13px; line-height: 18px;">Hi Willem</span><br style="background-color: white; color: #333333; font-family: 'lucida grande', tahoma, verdana, arial, sans-serif; font-size: 13px; line-height: 18px;" /><br style="background-color: white; color: #333333; font-family: 'lucida grande', tahoma, verdana, arial, sans-serif; font-size: 13px; line-height: 18px;" /><span style="background-color: white; color: #333333; font-family: 'lucida grande', tahoma, verdana, arial, sans-serif; font-size: 13px; line-height: 18px;">Thanks for excellent team work. </span><br style="background-color: white; color: #333333; font-family: 'lucida grande', tahoma, verdana, arial, sans-serif; font-size: 13px; line-height: 18px;" /><span style="background-color: white; color: #333333; font-family: 'lucida grande', tahoma, verdana, arial, sans-serif; font-size: 13px; line-height: 18px;">The guys worked so quietly- please thank them from me as this is a rare occurrence in this neighbourhood!!</span><br style="background-color: white; color: #333333; font-family: 'lucida grande', tahoma, verdana, arial, sans-serif; font-size: 13px; line-height: 18px;" /><span style="background-color: white; color: #333333; font-family: 'lucida grande', tahoma, verdana, arial, sans-serif; font-size: 13px; line-height: 18px;">My neighbour on the corner called to thank me for the neat way her garden area was left. I have told her about you.</span><br style="background-color: white; color: #333333; font-family: 'lucida grande', tahoma, verdana, arial, sans-serif; font-size: 13px; line-height: 18px;" /><br style="background-color: white; color: #333333; font-family: 'lucida grande', tahoma, verdana, arial, sans-serif; font-size: 13px; line-height: 18px;" /><span style="background-color: white; color: #333333; font-family: 'lucida grande', tahoma, verdana, arial, sans-serif; font-size: 13px; line-height: 18px;">Many thanks</span><br style="background-color: white; color: #333333; font-family: 'lucida grande', tahoma, verdana, arial, sans-serif; font-size: 13px; line-height: 18px;" /><span style="background-color: white; color: #333333; font-family: 'lucida grande', tahoma, verdana, arial, sans-serif; font-size: 13px; line-height: 18px;">J.M - Fresnaye</span><br />
<span style="background-color: white; color: #333333; font-family: 'lucida grande', tahoma, verdana, arial, sans-serif; font-size: 13px; line-height: 18px;"><br /></span>
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<span style="background-color: white; line-height: 18px;"><span style="color: #333333; font-family: lucida grande, tahoma, verdana, arial, sans-serif; font-size: x-small;"><br /></span></span>Willem Avenant Tree Specialisthttp://www.blogger.com/profile/04096926638855097232noreply@blogger.com2tag:blogger.com,1999:blog-8060366702656744323.post-65840665727153695992012-03-07T18:59:00.000+02:002012-03-07T18:59:39.819+02:00<div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiEsI9UXK6GoxC97QKyxdiKOHPpAKH45-4tErXgPI09djHSF5wp-iDFmjxRaYhRX9Kd-61NJDa-mxMdWfruL_o_07PrGoBhX8UIZ9PpYLDpsPIZxo3X7VL5SlVLMmUSlCeYDIpYm9_cdw/s1600/Before+and+After.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="640" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiEsI9UXK6GoxC97QKyxdiKOHPpAKH45-4tErXgPI09djHSF5wp-iDFmjxRaYhRX9Kd-61NJDa-mxMdWfruL_o_07PrGoBhX8UIZ9PpYLDpsPIZxo3X7VL5SlVLMmUSlCeYDIpYm9_cdw/s640/Before+and+After.jpg" width="480" /></a></div><br />
<div class="separator" style="clear: both; text-align: center;"></div>Willem Avenant Tree Specialisthttp://www.blogger.com/profile/04096926638855097232noreply@blogger.com0tag:blogger.com,1999:blog-8060366702656744323.post-81105224231049039132011-06-28T19:29:00.000+02:002011-06-28T19:29:14.900+02:00Re Pollarding Massive Gum tree in Constantia, Cape Town<div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgB7MH3-0vVKJfwCrX-6cStGewcvpjeEOtLW6rR6W5qZNxrGszUB46la6-mNW1Mr1f1I5iyNvlEzKjSsclYNULbGJcbyIXDUygbbIsCQfxwd0p3DU4JnzMznGR9m13b9Mw0kYuWW4Y9Vg/s1600/IMG-20110624-01248.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgB7MH3-0vVKJfwCrX-6cStGewcvpjeEOtLW6rR6W5qZNxrGszUB46la6-mNW1Mr1f1I5iyNvlEzKjSsclYNULbGJcbyIXDUygbbIsCQfxwd0p3DU4JnzMznGR9m13b9Mw0kYuWW4Y9Vg/s400/IMG-20110624-01248.jpg" width="300" /></a></div><br />
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<div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg39gPAj9kgJFurC_pcINz5gOu5QhOZePHJ7s6defVHDls5greVreN86RN8rklQ5crThuqAP-cBah7CklBZYDrBqDUvaZJsozK_0IHLC_cr28-zH3Ez9z14qGLLajeqGwNRIOrsBbVNXg/s1600/IMG-20110625-01295.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg39gPAj9kgJFurC_pcINz5gOu5QhOZePHJ7s6defVHDls5greVreN86RN8rklQ5crThuqAP-cBah7CklBZYDrBqDUvaZJsozK_0IHLC_cr28-zH3Ez9z14qGLLajeqGwNRIOrsBbVNXg/s400/IMG-20110625-01295.jpg" width="300" /></a></div>Willem Avenant Tree Specialisthttp://www.blogger.com/profile/04096926638855097232noreply@blogger.com1tag:blogger.com,1999:blog-8060366702656744323.post-51973222630947558162011-05-09T19:21:00.002+02:002011-05-09T19:21:59.320+02:00Trees, roots and buildings<span class="Apple-style-span" style="color: #303030; font-family: Arial; font-size: 11px;"></span><br />
<h1 style="font-size: 22px; font-weight: normal; margin-bottom: 14px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Trees, roots and buildings</h1><span class="datestamp" style="clear: both; color: #717171; display: inline; float: none; font-size: 11px; padding-bottom: 15px; width: 0px;">06 May 2011</span><br />
<div style="font-size: 13px; font-weight: normal; line-height: 19px; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></div><div style="font-size: 13px; font-weight: normal; line-height: 19px; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">If you are planning to build an extension, take special notice of nearby trees which, for all their beauty, are a potential source of future structural trouble.</div><div class="imageright right" style="border-left-color: rgb(215, 215, 215); border-left-style: solid; border-left-width: 1px; float: right; margin-bottom: 0px; margin-left: 15px; margin-top: 15px; padding-bottom: 10px; padding-left: 10px; padding-top: 10px; width: 250px;"><img src="http://images.property24.com/FetchImage.ashx?type=image&id=0aaa319e-1c82-45c5-a7e6-8c4d4553cf32.jpg" style="border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px;" /><div class="caption" style="font-size: 13px; font-weight: normal; line-height: 19px; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><br />
</div></div><div style="font-size: 13px; font-weight: normal; line-height: 19px; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Beautiful, mature trees are a most desirable feature of any property. It is no accident that so many modern housing developments are either built around existing trees or include newly landscaped areas. But old trees growing too close to buildings pose a very serious threat to foundations and drains. Remedial work in such cases is almost always difficult and expensive and you will certainly need professional advice.</div><div style="font-size: 13px; font-weight: normal; line-height: 19px; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Serious damage to foundations can be very costly to rectify, and even if your property is covered by insurance, there are often legal problems over ownership of the tree which is responsible for other liabilities. Ground subsidence is a particular problem during long, dry periods and sometimes it is difficult to tell whether this is the effect of long-term geological changes or ground movement due to tree roots.</div><div style="font-size: 13px; font-weight: normal; line-height: 19px; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Some settlement occurs in all buildings, especially those on clay soils. And it can be presumed that, in the case of a very old house and a nearby mature tree, any damage that has been done – and accommodated by settling, may have given the house a topsy-turvy character. Attempts at altering this balance by removing the tree or tampering with the tree roots could have potentially disastrous consequences.</div><div style="font-size: 13px; font-weight: normal; line-height: 19px; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">But the most dramatic and damaging effect of root damage is the cracking of walls when foundations subside. All parts of the building are likely to be affected: cracks open up in exterior brickwork in the familiar step pattern; roofs cease to be waterproof as flashings crack; ridge pointing falls out or tiles are displaced. Frequently door and window frames will warp and bind. Interior walls may show large vertical cracks. Solid floors may become uneven. Damp-proof course may fail.</div><div style="font-size: 13px; font-weight: normal; line-height: 19px; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><strong style="font-style: normal; font-weight: bold;">Settlement and its causes</strong></div><div style="font-size: 13px; font-weight: normal; line-height: 19px; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Tree root damage and subsidence problems occur commonly in areas of clay soil, known as hazardous clays or firm shrinkable clays. Clay is composed of a net of very fine particles which enclose relatively large pockets of water. For this reason, it is not very compressible, unlike sand and gravel soils.</div><div style="font-size: 13px; font-weight: normal; line-height: 19px; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Structures built on sands quickly compress the subsoil and drive out excess water under their own weight. Clay can only be compressed very slowly because it is impervious structure tends to retain water. Buildings on a clay bed may take ten or more years to settle down; this is quite separate to the related effects of tree root growth.</div><div class="imageright right" style="border-left-color: rgb(215, 215, 215); border-left-style: solid; border-left-width: 1px; float: right; margin-bottom: 0px; margin-left: 15px; margin-top: 15px; padding-bottom: 10px; padding-left: 10px; padding-top: 10px; width: 250px;"><img src="http://images.property24.com/FetchImage.ashx?type=image&id=3a33e691-2151-4b3d-86cb-a89aa23e2f9a.jpg" style="border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px;" /><div class="caption" style="font-size: 13px; font-weight: normal; line-height: 19px; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><br />
</div></div><div style="font-size: 13px; font-weight: normal; line-height: 19px; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Since water is such an important structural component of clay soils, they are greatly affected by seasonal changes in moisture content. In the rainy season, when the ground is saturated, clay expands both upwards and outwards. In the dry months, cracks appear in exposed clay and the ground level falls. Variation in ground level from season to season is likely to be at least 50mm, but can be more than double this. To counteract this effect, buildings on clay have foundations that extend below the level where soil is likely to be affected by seasonal expansion and contraction.</div><div style="font-size: 13px; font-weight: normal; line-height: 19px; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">But any problems caused by these seasonal changes in ground level are accentuated by the presence of nearby root systems. In winter, a tree’s fine root hairs are inactive, and in spring, the root hairs grow and seek out additional water to supply the tree’s new growth. In summer, a tree will reach its peak need for water. Clay that would have been depleted through evaporation is further drained by greedy roots. The quantities of water involved are not negligible: a large mature tree may take in upwards of 55 000 litres per day.</div><div style="font-size: 13px; font-weight: normal; line-height: 19px; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><strong style="font-style: normal; font-weight: bold;">Local influences</strong></div><div style="font-size: 13px; font-weight: normal; line-height: 19px; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">In any situation where you suspect present or future damage directly or indirectly caused by tree roots, there are a number of other important points to consider. Generally, in towns the seasonal changes in ground level are likely to be less than in open countryside. The soil receives less rainwater because a good proportion is prevented from entering the soil by buildings and paved areas and is carried away through drains. If there are trees present, and they do have roots extending near or under buildings, their action will exaggerate seasonal moisture differences more disruptively than in rural area.</div><div style="font-size: 13px; font-weight: normal; line-height: 19px; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Another factor is wind direction – if there is a strong prevailing wind, tree roots are likely to favour the windward side, so consider the relative position of a tree and a building when making any assessment.</div><div style="font-size: 13px; font-weight: normal; line-height: 19px; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><strong style="font-style: normal; font-weight: bold;">Size and spread of root systems</strong></div><div style="font-size: 13px; font-weight: normal; line-height: 19px; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">The root system of a tree tends to be quite shallow, particularly where water is available near the surface. In locations with a low water table, such as high on a hill, tree roots tend to plunge downwards. Quite a large tree near buildings in such a situation may pose no threat. As a general rule, tree roots can spread laterally to a distance equal to a tree’s mature height. When making assessments, it is important to consider what a tree’s final height will be, not its present size.</div><div style="font-size: 13px; font-weight: normal; line-height: 19px; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><strong style="font-style: normal; font-weight: bold;">Areas likely to be affected</strong></div><div style="font-size: 13px; font-weight: normal; line-height: 19px; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Problems of soil shrinkage and expansion occur all over the world, especially in areas where there are large seasonal fluctuations in seasonal rainfall. Although problems are often associated with firm, shrinkable clays, other types of soil are not always immune. Do not assume that because a garden has well kept soil, broken down by years of cultivation, that there is no clay underneath. It may be lurking there, covered by as much as 2m of topsoil. Pockets of clay are found in areas of predominantly trouble-free soil. Sometimes these deposits are man-made: major excavations and mining operations can throw up troublesome deposits on which houses are often built. Another problem is an underlying layer of shallow impervious bedrock, which forces roots to keep to the surface in their search for nourishment.</div><div style="font-size: 13px; font-weight: normal; line-height: 19px; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><strong style="font-style: normal; font-weight: bold;">Problems for old houses</strong></div><div style="font-size: 13px; font-weight: normal; line-height: 19px; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Old houses often live happily in equilibrium with their trees, especially when the trees have grown to maturity. But many old houses have substantial areas of underground brickwork that is saturated and slowly decaying. Tree roots can invade cracks and cause further deterioration. As roots penetrate foundations, they will have a jacking effect on the wall, causing lateral cracks at its base. If the tree is much too close, large roots may actually have the strength to displace foundations. No trees should be within a third of its height, or less than 4m, from a building.</div><div style="font-size: 13px; font-weight: normal; line-height: 19px; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Drains may become clogged as fine root hairs invade cracks or the collar here sections join. And leaking drains may encourage the spread of tree roots in their direction. But in general, a well established site will tend to have a balanced cycle of soil moisture content. Old houses have already undergone their settlement. Unless new trees invade the area, or weather conditions change drastically (as in a long drought), there may be no cause for alarm about existing mature trees.</div><div style="font-size: 13px; font-weight: normal; line-height: 19px; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">If you are buying an old house, the question of trees in the vicinity is one which your surveyor is sure to examine carefully. Be suspicious of houses close to trees that have been recently painted or plastered. It could conceal cracks, large and small. Subsidence existing at the time you purchase your house might cause difficulty when you come to claim insurance damage after the next dry spell.</div><div style="font-size: 13px; font-weight: normal; line-height: 19px; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><strong style="font-style: normal; font-weight: bold;">Extensions</strong></div><div style="font-size: 13px; font-weight: normal; line-height: 19px; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">One of the greatest danger points for subsidence damage is an extension or garage attached to a house. Often these have shallower foundations that are differently affected by seasonal ground swell and contraction. When installed against old houses, their very presence may affect the balance of the soil moisture content in the vicinity. If you plan an extension, make sure that it will have adequate foundations and that the join between it and the house is flexible enough to resist some movement without allowing water to seep in, otherwise damage may be extensive.</div><div style="font-size: 13px; font-weight: normal; line-height: 19px; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><strong style="font-style: normal; font-weight: bold;">Solutions</strong></div><div style="font-size: 13px; font-weight: normal; line-height: 19px; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Every problem of this type is different. It may be the case that simply lopping a tree or removing a newly paved area will keep the situation under control. You may have to proceed by trial and error over a season or two to see if things worsen. In serious cases the remedy is underpinning, which is definitely not a job to be undertaken lightly. Underpinning involves the excavation of a series of small pits, individually but in sequence, to enable installation of new foundations or supports to replace damaged ones. The building is usually supported by jacks while underpinning is installed. – <strong style="font-style: normal; font-weight: bold;">Antonella Desi</strong></div>Willem Avenant Tree Specialisthttp://www.blogger.com/profile/04096926638855097232noreply@blogger.com2tag:blogger.com,1999:blog-8060366702656744323.post-45940370198026363082011-02-02T19:45:00.001+02:002011-02-02T19:46:26.888+02:00Using a MEWP for tall palm pruning at the Table Bay Hotel<div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiG0mTblehpL-EXA66fpb6PNgUatwtGIUnSYGpZKhyTDZSU4oPR_r1RyDDbt-jKjdYedVYrCZpAnqQqvCyM-QrXtxspim7bsbjLm-OgycUHOE6AkqVnrUefrTvU2-KMDfwIuqKLV2fedw/s1600/IMG-20110127-00301.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiG0mTblehpL-EXA66fpb6PNgUatwtGIUnSYGpZKhyTDZSU4oPR_r1RyDDbt-jKjdYedVYrCZpAnqQqvCyM-QrXtxspim7bsbjLm-OgycUHOE6AkqVnrUefrTvU2-KMDfwIuqKLV2fedw/s400/IMG-20110127-00301.jpg" width="300" /></a></div><br />
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<div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEisQIvTJS7iR6qc9-0Y3WAgC2_5meGBe4mtWkhCu2LADziqmDvf8WzDNgqE8_80W9UcKgQSQeU4RHQ408CVphgjE43Q50iT7CQ9ByO30sXhA3g5b8Z2viV3LkCeIGnSFE1L5TYUKrM98Q/s1600/IMG-20110126-00282.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEisQIvTJS7iR6qc9-0Y3WAgC2_5meGBe4mtWkhCu2LADziqmDvf8WzDNgqE8_80W9UcKgQSQeU4RHQ408CVphgjE43Q50iT7CQ9ByO30sXhA3g5b8Z2viV3LkCeIGnSFE1L5TYUKrM98Q/s400/IMG-20110126-00282.jpg" width="297" /></a></div>Willem Avenant Tree Specialisthttp://www.blogger.com/profile/04096926638855097232noreply@blogger.com0tag:blogger.com,1999:blog-8060366702656744323.post-15399071431545036152011-02-02T19:23:00.000+02:002011-02-02T19:23:59.056+02:00Pruning palms at the Table Bay Hotel, V&A Waterfront.<div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg2CwSqgL7V9RYmk5jEPKlvdv-0qsMYYeued9rPX3jaT8QvVTXYC93EpogsdG3NpYLcdfDP5i3qX1MP8nisUqR646vLDYh6GLl3skewamW9YzQ-GM_3zkYwmZuqJLkd2lAgkuZC3TCNyA/s1600/IMG-20110128-00304.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg2CwSqgL7V9RYmk5jEPKlvdv-0qsMYYeued9rPX3jaT8QvVTXYC93EpogsdG3NpYLcdfDP5i3qX1MP8nisUqR646vLDYh6GLl3skewamW9YzQ-GM_3zkYwmZuqJLkd2lAgkuZC3TCNyA/s400/IMG-20110128-00304.jpg" width="300" /></a></div><br />
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<div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgqm202Dkt55AbZUxM-BZN1uFDd1QCaiiSr9q1rtT0RMrUDkV8iklazx_U7pLYwnhEekYyGXEGhZCUrW-Jdt0rsPIl-BCpiQu3lzMwOYKSuXS_AG_-xRAtkCm3aS8BoVByeoU6QzCAPqA/s1600/IMG-20110128-00315.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgqm202Dkt55AbZUxM-BZN1uFDd1QCaiiSr9q1rtT0RMrUDkV8iklazx_U7pLYwnhEekYyGXEGhZCUrW-Jdt0rsPIl-BCpiQu3lzMwOYKSuXS_AG_-xRAtkCm3aS8BoVByeoU6QzCAPqA/s400/IMG-20110128-00315.jpg" width="300" /></a></div>Willem Avenant Tree Specialisthttp://www.blogger.com/profile/04096926638855097232noreply@blogger.com0tag:blogger.com,1999:blog-8060366702656744323.post-68734446437617084442010-12-17T19:17:00.000+02:002010-12-17T19:17:23.372+02:00Reducing Acacia hedge, Bishopscourt (Tree work with a view)<div class="separator" style="clear: both; text-align: left;"></div><div class="MsoNormal"><span lang="EN-US" style="mso-ansi-language: EN-US;">Here we had to reduce the height of an Acacia hedge that has previously been reduced. The client wanted it even lower.<span style="mso-spacerun: yes;"> </span>We explained to the client the dangers of the requested operation, as it is essentially “topping”.<span style="mso-spacerun: yes;"> </span>Just as we do not live in a perfect world, so we also always need to do what the client wants, and in this case, this is what they wanted.<o:p></o:p></span></div><div class="MsoNormal"><br />
</div><div class="MsoNormal"><span lang="EN-US" style="mso-ansi-language: EN-US;">Since there was no side branches/lateral growth there was nothing to reduce, except for taking out the tops.<span style="mso-spacerun: yes;"> </span>We left as good of growth points as we could.<o:p></o:p></span></div><br />
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<div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgKuKIH4xURNSxvL28yvGFoRUww3BoNQkEk3uTOvJQEzmTbCvdS0nR3y4QHrlJYaVUjAz2n1w-HvzPR_M3pN2qxMAH709Y6GFLeblr6Jp2DC61MzrVQuotBrfHzVmO3GP-FxC5Rm1e3Yg/s1600/IMG-20101208-00125.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgKuKIH4xURNSxvL28yvGFoRUww3BoNQkEk3uTOvJQEzmTbCvdS0nR3y4QHrlJYaVUjAz2n1w-HvzPR_M3pN2qxMAH709Y6GFLeblr6Jp2DC61MzrVQuotBrfHzVmO3GP-FxC5Rm1e3Yg/s400/IMG-20101208-00125.jpg" width="400" /></a></div>Willem Avenant Tree Specialisthttp://www.blogger.com/profile/04096926638855097232noreply@blogger.com0tag:blogger.com,1999:blog-8060366702656744323.post-58797809523448920832010-12-17T19:07:00.000+02:002010-12-17T19:07:28.151+02:00Working in close proximity to power lines, Bishopscourt.<div class="separator" style="clear: both; text-align: center;"><br />
</div><div style="text-align: left;"><div class="separator" style="margin-bottom: .0001pt; margin: 0cm;"><span style="color: black; font-size: 13.5pt;">This was a storm clear up, of a </span><i style="mso-bidi-font-style: normal;"><span style="font-size: 13.5pt;">Liquidambar styraciflua</span></i><span style="font-size: 13.5pt;"> (American Sweetgum, Redgum, <span style="color: black;">Liquidambar ) tree. We worked on the tree in the past, its branches touched the power lines, and we had to clear them away.<o:p></o:p></span></span></div><div class="separator" style="margin-bottom: .0001pt; margin: 0cm;"><br />
</div><div class="separator" style="margin-bottom: .0001pt; margin: 0cm;"><span style="color: black; font-size: 13.5pt;">During a big storm, the whole top blew out, and we had to take the stem down in sections.<o:p></o:p></span></div><div class="separator" style="margin-bottom: .0001pt; margin: 0cm;"><span style="color: black; font-size: 13.5pt;">The tree was very close to the power lines, so they had to be switched off for safety reasons.</span></div></div><br />
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<div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjvDTkk-rycK1pQenZRhjCiTCb55-5ECQEpuyFr_EhY8r3QgACUfVVZtz8Z_tUneQiPmlKybyHdfHWdfJQALCNZHYcgkJWM89l-8aVbfGnTrcydgHSoHjeSvfKJLsuCqWH0nwCGaF8cCQ/s1600/IMG01338.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjvDTkk-rycK1pQenZRhjCiTCb55-5ECQEpuyFr_EhY8r3QgACUfVVZtz8Z_tUneQiPmlKybyHdfHWdfJQALCNZHYcgkJWM89l-8aVbfGnTrcydgHSoHjeSvfKJLsuCqWH0nwCGaF8cCQ/s400/IMG01338.jpg" width="300" /></a></div>Willem Avenant Tree Specialisthttp://www.blogger.com/profile/04096926638855097232noreply@blogger.com0tag:blogger.com,1999:blog-8060366702656744323.post-44358469796071204812010-10-25T10:44:00.000+02:002010-10-25T10:44:17.119+02:00Felling dead, rotten and very dangerous Oak tree, ConstantiaThis tree was far to rotten to climb, and there was no possibility of lowering any pieces to the ground, as the frame of the tree would not have carried the load/weight, and the tree would have failed at the point of lowering. As you will see in the photos, space was very limited, and we had house walls on 2 sides.<br />
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Due to the very prominent danger, we decided to rather use a Mobil Elevated Working Platform (MEWP), instead of climbing the tree.<br />
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<div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg7tkjPQvTtmUMAWEWP4kqsvGlOVnFJTNMT2F4tzYYyZCcEOssxjjlgVhUpbMi8zlzutG-Cpah0bEjBnSB83JIKVdLJoIMa8KSr1glCsxesX67hncebfvzF2WDRsPOVlMrMy7Y693AhWQ/s1600/IMG01207.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg7tkjPQvTtmUMAWEWP4kqsvGlOVnFJTNMT2F4tzYYyZCcEOssxjjlgVhUpbMi8zlzutG-Cpah0bEjBnSB83JIKVdLJoIMa8KSr1glCsxesX67hncebfvzF2WDRsPOVlMrMy7Y693AhWQ/s400/IMG01207.jpg" width="300" /></a></div><br />
<div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEggfZ1axu_IgXv_hFNjLAl5uNKzSHm_8ehj0alxyaqJjLGV855pdmzKloue_ZLfHy_Ik1g4LJL1NrFJyENX7yibOvyDaUebDuns-S8zb9KEwpF7Pn-GD9RjqC-fw3LvnFnciP8SsRCDCA/s1600/IMG01210.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEggfZ1axu_IgXv_hFNjLAl5uNKzSHm_8ehj0alxyaqJjLGV855pdmzKloue_ZLfHy_Ik1g4LJL1NrFJyENX7yibOvyDaUebDuns-S8zb9KEwpF7Pn-GD9RjqC-fw3LvnFnciP8SsRCDCA/s400/IMG01210.jpg" width="300" /></a></div><div class="separator" style="clear: both; text-align: center;">Doing the face cut/gob.</div><div class="separator" style="clear: both; text-align: center;"><br />
</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjfrXUTCZ5B5xceU-71g3WOv4G-4xO2J25BisiYXVirI8T5UAypoedVcHrKhlolvU3iBF5nKH1o35ZsS75d93fpvz3LpwL52UxFI_bnyhCheFwkTmFRzOXmZiq7nwWWNjv-3mxEhhducA/s1600/IMG01229.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="241" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjfrXUTCZ5B5xceU-71g3WOv4G-4xO2J25BisiYXVirI8T5UAypoedVcHrKhlolvU3iBF5nKH1o35ZsS75d93fpvz3LpwL52UxFI_bnyhCheFwkTmFRzOXmZiq7nwWWNjv-3mxEhhducA/s320/IMG01229.jpg" width="320" /></a></div><div style="text-align: center;">Using wedges to push trunk over.</div><br />
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</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhtfg0iQ5hB7Eg5fQIUmLcI17q5XOobf1JrOeroIASWlXj-sQoHov3rVSkf6zgN38VoWfVxrvuS4Mprt05PMzTtqCTzZao5aKGKdBof3F-6wtB6ufz_1dPEJJzR7t30IwaUA4Qd4jKA1w/s1600/IMG01231.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgV2TkopZ0vSAcH9HHi2ZgBdcV9kjAHPVhxguodgS2MFguf4d0mA68lZ8QCe9eCZLClRTyFAIyoXFiNMaXuzIPUbY2t0XsXu6gmE5nP_f_hBH4IUwr4zByUevhSpe1-cBJBXrL3FoRD8g/s1600/IMG01235.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgV2TkopZ0vSAcH9HHi2ZgBdcV9kjAHPVhxguodgS2MFguf4d0mA68lZ8QCe9eCZLClRTyFAIyoXFiNMaXuzIPUbY2t0XsXu6gmE5nP_f_hBH4IUwr4zByUevhSpe1-cBJBXrL3FoRD8g/s400/IMG01235.jpg" width="400" /></a></div><div style="text-align: center;"> Cutting up the tree.</div><div style="text-align: center;"><br />
</div>Willem Avenant Tree Specialisthttp://www.blogger.com/profile/04096926638855097232noreply@blogger.com0tag:blogger.com,1999:blog-8060366702656744323.post-90803102371392031182010-10-25T06:13:00.001+02:002010-10-25T10:26:21.092+02:00Felling big Pine at Royal Cape Golf Club<div style="text-align: center;"> Felling this dead Pine was hard, as it was right up against a fence, with a road on one side of the fence, and a concrete walkway on the other.</div><br />
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</div>Willem Avenant Tree Specialisthttp://www.blogger.com/profile/04096926638855097232noreply@blogger.com0tag:blogger.com,1999:blog-8060366702656744323.post-90681069056704059552010-07-25T16:11:00.000+02:002010-07-25T16:11:19.140+02:00Cleaning palms from the top down.<div class="separator" style="clear: both; text-align: center;">Cleaning palms on Signal Hill.</div><div class="separator" style="clear: both; text-align: center;"><br />
</div><div class="separator" style="clear: both; text-align: center;">Before, during and after.</div><div class="separator" style="clear: both; text-align: center;"><br />
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</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhUCQbIzS_GQIM2ujCs4Ie6F1_9SkJuMrQ7mothW75eSS0LQuz8fDuG3Usu8-2ndiaCfoqHfI-Z3GvyaHoIzXkU6qAEIfbyZUm5r3ST7uVZgZup6TS5yyanSkg_l4AOkANPvF8Bi6PjxQ/s1600/High+places+palms+(13).JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" hw="true" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhUCQbIzS_GQIM2ujCs4Ie6F1_9SkJuMrQ7mothW75eSS0LQuz8fDuG3Usu8-2ndiaCfoqHfI-Z3GvyaHoIzXkU6qAEIfbyZUm5r3ST7uVZgZup6TS5yyanSkg_l4AOkANPvF8Bi6PjxQ/s320/High+places+palms+(13).JPG" /></a></div>Willem Avenant Tree Specialisthttp://www.blogger.com/profile/04096926638855097232noreply@blogger.com0tag:blogger.com,1999:blog-8060366702656744323.post-75256572950558047722010-07-25T14:24:00.002+02:002010-07-25T14:25:57.144+02:00Felling 2 Oaks over power lines.This job was very demanding, and took a few months to get done. It was done in stages, and the 2 hardest trees were left till last. Working with the electricity dept was very challenging, as they seem to have no motivation to do their job.<br />
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Our first attempt was in May 2010. I personally arranged for the lines (4 in totals) to get switched off. It was supposed to get turned off at 09:00 till 16:00, giving us enough time to work. The people who were suppose to turn it off only arrived at 11am, and did not know where to turn it off. Once the power was off, we only had a few hours in which to do the work. Not enough time to do it, so then we had to leave it. On top of this, the electricity dept did not warn the residents that the power will be off, and there was numerous people complaining about us cutting the trees down, making our job very hard.<br />
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The trees had to come down because their tops had big cavities, and was hanging over the power lines.<br />
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After months of organizing, I managed to arrange once again to get the power switched off, and get the residents warned in time. Once again the electricity dept did not really do their job, and made it very hard for us to do our job, but in the end, we managed to finish the work.<br />
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<div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjL81v8y0ngA_x4odO-ygp_GGeCpN43a7A10JevzZSqE-pgq_ILTRpd931yXkKAfpW3JBtGPLx3aNMdInWrXrciMUDMcxDFMN8H8YO-K3ikU1rwL6pu2_Pxz2Do0y3l09Nti5ZoMzITJg/s1600/IMG_4803.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="266" hw="true" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjL81v8y0ngA_x4odO-ygp_GGeCpN43a7A10JevzZSqE-pgq_ILTRpd931yXkKAfpW3JBtGPLx3aNMdInWrXrciMUDMcxDFMN8H8YO-K3ikU1rwL6pu2_Pxz2Do0y3l09Nti5ZoMzITJg/s400/IMG_4803.JPG" width="400" /></a></div>Willem Avenant Tree Specialisthttp://www.blogger.com/profile/04096926638855097232noreply@blogger.com0tag:blogger.com,1999:blog-8060366702656744323.post-27790301267815323072010-03-19T19:11:00.000+02:002010-03-19T19:11:07.508+02:00Felling Quercus Robur (English Oak) stump.This was a very interesting job. The tree was not dead for a long time, the result was that the wood was solid, but EXTREMELY heavy; it is not common for Cape Town to have such dense Oak wood. <br />
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There was not a lot of space, as it was next to a hotel, with a brick walk way on the ground. There were good trees next to it to lower from, but in the end it was mainly chucking pieces onto a mattress.<br />
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The tree is between 2 buildings, there were almost no anchor points, we had to work across 2 roofs, and three vertical levels. Below were terraces and pools, electric fences,, plants, etc.<br />
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It took some time, and innovation, as there was no way to remove the branches. We hopped and skipped over walls, and roofs. No damage, job well done.<br />
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