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O TH g <br />Fra <br />SOUTH BENDoo <br />° <br />LL <br />- <br />PARKS & RECREATION <br />\`-- <br />DEPARTMENT <br />1865 ' <br />Stephen J. Luecke, Mayor <br />To: Historical Preservation <br />Superintendent <br />From: Brent Thompson <br />Phillip L. St. Clair -_ <br />City Forester <br />299-4765 <br />Date: October 18, 2004 <br />Administrative Direct or:2�: <br />Betsy Harriman <br />RE: 742 Sancome <br />235-5596 <br />The Silver maple in the back yard at 742 Sancome is showing signs of <br />Director of Marketing <br />decline. The tree has some larger dead limbs and a thinning crown <br />Mark Bradley <br />with soil compaction in the root zone. In my opinion the tree will die <br />299-4765 <br />within five to seven years without treatment. <br />Silver maples when mature become very large in trunk size. This <br />ance Superintendent c <br />species also has fast internal decay. Silver maples have a lot of surface <br />ichael zkiewicz ' . _ <br />235-9941414 <br />. roots. They have very vigorous growth which leads to branch failure <br />due to heavy branch ends and weak wood. <br />Forester Treatment to try and save the tree would be radial trenching within the, <br />Brent Thompson root zone. Radial trenching is an excavation of root soil in a spoke like <br />299-4768 exc.249 pattern with the trunk as the hub. The trenches would be 10" to 14" <br />deep and 8" to 10" wide. The trench would be filled back with <br />Recreation Director Mycrhiza Fungi, Rhizosphere Bacteria, and Terra -Sorb hydro gel <br />Susan O'Connor mixed with organic layers, such as woodchips or compost. At times <br />299-4765 this is difficult for a back yard with other landscaped areas. <br />Zoo Director Treatment may be costly and not 100% effective. Other <br />.Greg Bockheim recommendations would be to deadwood all the large limbs for safety <br />235-5549 purposes and making sure to provide deep adequate moisture during <br />dry periods. <br />Fiscal Officer If you have any other questions or concerns, please feel free to call me <br />Bill Carleton at (574)299-4768 ext. 249. <br />299-4765 <br />Director of Golf <br />Chad Kilmer <br />271-9180 <br />321 East Walter Street • South Bend, Indiana 46614 • 574-299-4765 • TDD 235-5567 <br />Parks Administration Fax 299-4783 9 Recreation Fax 299-4784 <br />