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J�J`JJ`Jt4 X11f 1l'J101 , <br />West Coast Arborists, Inc. will perform all tree <br />maintenance in accordance with the Standards <br />adopted by the American National Standard for Tree <br />Care Operations (ANSI ASOO) and the Best <br />Management Practices, a supplement from the <br />International Society of Arboriculture Pruning <br />Standards. Final pruning cut will be made without <br />leaving stubs. Cuts will be made in a manner to <br />promote fast callous growth. Representative WCA crows In action at our state's Capital building <br />photographs depicting "before and after' trimming <br />are included in this proposal. West Coast Arborists, Inc. will clean all job sites when work is completed, including <br />the raking of leaves, twigs, etc. from the lawn and parkway and the sweeping of streets. All resulting debris will be <br />removed from the work site daily and properly disposed of at the end of each work day. <br />Benefits of proper tree pruning include reduced risk of branch and stem breakage, better clearance for vehicles <br />and pedestrians, improved health and appearance, enhanced view, increased flowering. When improperly <br />performed, pruning can harm the tree's health, stability, and appearance. Several consequences occur when <br />pruning is not performed at all. These consequences include development of low limbs; weak, co- dominant stems; <br />defects such as included bark; and accumulation of dead branches. Formation of co- dominant stems and defects <br />such as included bark can lead to increased risk of breakage. <br />No tree should be pruned without first establishing clearly defined objectives. Seven main objectives are described, <br />along with pruning types that help meet those objectives. These objectives serve as examples and can be expanded <br />or shortened to meet site conditions and customer expectations. Even with proper pruning cuts, if the wrong <br />branches -or too many branches -are removed, nothing of merit has been accomplished. <br />Objectives of pruning: <br />Reduce risk of failure <br />i • Provide clearance <br />I <br />Reduce shade and wind resistance <br />ON L;� . Maintain health <br />• Influence flower or fruit production <br />Improve a view <br />• Improve aesthetics <br />ROM Mapagoment Prattims <br />Nine pruning types are used in arboriculture to achieve the <br />7 objective of the tree's owner or manager. Pruning types include <br />structural, cleaning, thinning, raising, reducing, restoring, and <br />�s '1 pollarding. Pruning palms and conifers and pruning for utility line <br />clearance are other types of pruning. <br />25B -193 <br />32 <br />