7.0. PRSR 02-13-2013 - Laserfiche WebLink

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• Trees with poor structure (visible internal rot, included bark, stems cracks, cambium loss) • All other trees When the random tree survey is complete, data will be run through Purdue University's • EAB cost calculator http://extension.entm.purdue.edu/treecomputer/to generate a cost projection for the city. You can enter your cost information here (this is something I pulled from someone else's plan) Cost for existing staff to do tree removals: a. $30 per stump (contract) with park employees cleaning and seeding b. 7 worker hours per tree for removal and disposal c. $150 per tree to replace Total Cost per removal: $180 plus 7 staff hours Difficult removals justify hiring Contractors for removal operations which on average can cost: a. $450 per tree removed + $75 per stump b. $325 per tree to replace and guarantee for one year Total Cost per removal: $850 Post EAB detection, removals will be critical to control the size of the beetle population. Removals will be executed by existing city/county (define who) staff, unless extraordinarily precarious removals require the expertise of a certified arborist or number of removals overwhelms staff and funds are sufficient to contract with a private certified tree service. Removals may be done between September 1 and April to reduce the spread of EAB. This recommended timing for removal will reduce the strain on staff during the busy summer season when many other priorities are competing for limited time. Tree removal on private property will be the responsibility of the landowner. Ash trees that are infested with EAB will be subject to the nuisance tree ordinance. In cooperation with the Sherburne County Urban Forestry Committee, the City will co- host an EAB Awareness and Best Management Practices workshop for the local green industry. By attending they will earn an endorsement by the committee and be listed on the list of recommended contractors that can be used county-wide.