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Justification for systematic routine pruning. <br /> * Decreased Cost per Tree Pruned <br /> * Reduced Requests for Special (Non- Routine) Service <br /> * Improved Safety and Decreased Tree Liability <br /> * Reduced Insect and Disease Problems <br /> * Improved Tree Condition and Tree Value <br /> * Increased Property Values <br /> * Enhanced' Public Image <br /> * Arboriculture Employee Morale Boost <br /> - s al. The volume of wood: chips from pruning on <br /> Mood Chip Disposal. <br /> a systematic five year cycle will increase and .disposal at <br /> ill sites could cost an estimatecd disposal, $137,000 <br /> in <br /> later handling wood chip of h <br /> Alternative methods cling chips for horticultural soil <br /> the economics': of re-cycling ated ,further•, <br /> :: - - • '' amendment-' or mulch ' must • be • -investig • <br /> • 7.2. Policy_ R <br /> ecommendation: The National Arborist Association <br /> .. <br /> Pruning Standards for Shade Trees' .should be:--•adopted --as a <br /> guideline for pruning practices. _ <br /> • a�lv rung of <br /> he <br /> should %include complete- borticul considerations. u nng o <br /> Prtiuig for safety <br /> t t as well as any pruning . to NAA Class II <br /> 3 and • la trees should be 'p <br /> , • ' F Medium medium -prune) , .with all street . and sidewalk <br /> -.. - specif cations( <br /> -c.learan_ce requirements being met. Small trees should be <br /> a including <br /> ' pruned to NAA Class I specifications (fine prun) , <br /> P <br /> any clearance requirements. <br /> Street tree maintenance work should <br /> ' 7.3 policy Recommendation: <br /> be categorized as either priority or routine based on the <br /> public safety considerations of the actual tree condition. <br /> Trees with dead branches of 2 branches on a priority basise <br /> should be pruned to remove these bran <br /> Trees with dead branches less should be identified efor <br /> requiring horticultural part of for <br /> routine mega ltural pruning ' pruned as p the <br /> ' systematic pruning program routine maintenance work when be <br /> crews are working in that <br /> • <br /> maintenance area grid. <br /> - 6- <br />