Agenda - Council - 05/14/2002 - Laserfiche WebLink

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-154- 24) Rear and side yard lot lines with positive drainage may include "save trees" within areas proposed to be impacted by up to 3 feet of fill. c) "Save trees" will be protected by 'tree save" fences installed prior to the commencement of grading. d) No understOry trees will be mechanically removed within "tree save" zones. e) Smaller trees outside the "save" zones will be available to the City for relocation by tree spade for at least 5 business days prior to destruction. Tree Disease Prevention and Disposal. The DEVELOPER shall prevent the. introduction and spread of tree disease into the residual tree populations of the Plat and adjoining properties as well as mitigate .the eff'ects of construction activity on tree health, within and outside of the Plat. The DEVELOPER, in order to protect trees from construction damage shall: a) Install physical barriers, such as snow fence, around trees that are to remain after initial grading. The fencing shall be located at the dripline of these 'save' trees. b) c) d) .e) f) Insure that all equipment operators will have readily available, a tree wound dressing and will apply it immediately to damaged oak trees if wounding occurs from April 15 through July 15. Insure that trees will only be skidded against other trees that are to be remove& Trees in the middle twenty (20) feet of a road easement will be removed first, with remaining trees to be skidded toward the middle of the road easement. This same procedure will apply to building sites. Mature trees, especially oak and elm, adjoining an easement so that roots enter the disturbed construction area shall first be severed by a vibratory plow to prevent shattering, scraping and exposure of roots of high value trees on adjoining property. All 'exposed root zones of adjoining properties shall be immediately covered with clean topsoil and moistened to favorable conditions. Recognized trees of value, suitable for .tree spade removal that Would otherwise be destroyed, shall be identified with ribbon and offered to the CITY at least five (5) business days prior to destruction. Tree wood removed during construction, road building and sewer/water installation shall be buried, burned, chipped or hauled to a licensed wood disposal site. Wood waste disposal must take into account tree disease control, especially for oak wilt and Dutch Elm disease. The CITY will perform a site inspection to ascertain tree disease hazards (including root damage and grade changes) prior to construction in order to minimize impact on trees to be protected within or outside of the Plat. Wood waste disposal by fire must also manage air quality impact and smoke nuisance to adjoining property owners as well as fire safety concerns. The Ponds Subdivision Development Agreement Page 9 of 13 I I I i I I I I I I I I I I I I I I I