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HomeMy WebLinkAbout10 15 2012 Agenda Packet StevensonRearYard SetbackVariance SUBJECT PROPERTY Ü 037.575150 Feet 1107.2100: TPAR REERESERVATION NDESTORATION Intent and Purpose 1107.2101. It is the intent of the City of Prior Lake to protect, preserve and enhance the natural environment of the community, and to encourage a resourceful and prudent approach to the development and alteration of wooded areas in the City. This subsection has the following specific purposes: Recognize and protect the natural environment consistent with the city's mission statement and goals of the comprehensive plan through preservation and protection of significant trees. Promote protection of trees for the benefits provided, including beauty, protection against wind and water erosion, enhancement of property values, noise reduction, air quality, energy reduction, buffering, privacy and natural habitats. Establish requirements related to cutting, removal or destruction of existing trees, especially significant trees. Establish reasonable requirements for replacement of significant trees. To allow the development of wooded areas in a manner that minimizes and mitigates the removal and destruction of trees, preserves aesthetics, property values, and the nature and character of the surrounding area To provide for the fair and effective enforcement of the regulations contained herein. Application 1107.2102. This Ordinance applies to the following sites in the City of Prior Lake: All new public or private development on either platted or unplatted property. New construction on vacant building sites on lots platted before January, 1996. Redevelopment of sites platted prior to January, 1996, where existing structures are removed or destroyed. Acceptable Species 1107.2103. Coniferous Tree (1). Coniferous trees are considered to be "significant" for purposes of this Ordinance at a height of 12 feet or more. Species of coniferous trees required to be surveyed for tree preservation plan approval are as follows: Arborvitae (White Cedar). Fir, Douglas Fir, White Hemlock, Canada (Eastern) Junipers Larch, Eastern (Tamarack) Larch, European Pine, Austrian Pine, Eastern White Pine, Mugo Pine, Ponderosa Pine, Red (Norway) Pine, scotch Red Cedar, Eastern Redwood, Dawn Spruce, Black Hills Spruce, Colorado Blue Spruce, Norway Spruce, White Spruce, Japanese Deciduous Tree (2). Deciduous trees are considered to be significant at 6 diameter breast height (DBH) inches or more. Species required to be surveyed are as follows: Ash, Green Ash, White Basswood Beech, Blue Birch, River Canada Red Cherry, Shubert Catalpa, Northern Chokecherry, Amur Chokecherry, Shubert's Coffee-tree, Kentucky Corktree, Amur Crabapple (ornamental) Dogwood, alternate-leafed Elm, Accolade Ginkgo (Male trees) Hackberry Hawthorns Hickory, Bitternut Honeylocust, Imperial Honeylocust, Skyline Ironwood Kentucky Coffeetree Lilac, Japanese tree Linden, all varieties Maple, all varieties Mountain Ash, European and Showy Mulberry, Red Nannyberry Oak, Burr Oak, Chestnut Oak, Northern Pin Oak, Northern Red Oak, Pin Oak, Red Oak, Scarlet Oak, Swamp White Oak, White Plum, American and Canada Redbud, Eastern Serviceberry. Walnut, Black Heritage Tree. (3) Any tree on the above list, or on the list included in the City’s Public Works Design Manual, in fair or better condition which equals or exceeds the following diameter size: Tree Type Tree Diameter Size Examples Large Hardwoods 27” dbh. Oaks Large Coniferous 24” dbh. Pine a. A tree in fair or better condition must meet the following criteria: A life expectancy of greater than 10 years. A relatively sound and solid trunk with no extensive decay or hollow. No major insect or pathological problem. A lesser size tree can be considered a heritage tree if a certified forester determines it is a rare or unusual species or of exceptional quality. A lesser size tree can be considered a heritage tree if it is specifically used by a developer as a focal point in the project. Other Trees. (4) Trees not included in the above species list may be included for credit as part of the Tree Inventory subject to City approval and the following criteria: A life expectancy of greater than 10 years. A relatively sound and solid trunk with no extensive decay or hollow. No major insect or pathological problem. A certified forester determines it is a rare or unusual species or of exceptional quality. It is specifically used by a developer as a focal point in the project. Tree Preservation Plan Approval Required 1107.2104. It is unlawful for any person to engage directly or indirectly in land alteration, as defined in this Ordinance, unless such person has first applied for and obtained approval from the City's Zoning Officer or other authorized city official of a tree preservation plan. No preliminary plat, building permit, grading permit, or other City required permit shall be granted unless approval of a tree preservation plan has first been obtained. (1) Prior to submittal of a preliminary plat application where there is impact to trees, the applicant may meet with City staff to discuss alternative designs for the development of a site. This meeting may also be part of a Concept Plan review, permitted under Subsection 1002.100 of the City Code. Alternatives analysis: (2) The following guidelines shall be considered when developing or reviewing proposed development alternatives: a. It is capable of being done from an engineering point of view; b. It is in accordance with accepted engineering standards and practices; c. It is consistent with reasonable requirements of the public health, safety, and welfare; d. It is an environmentally preferable alternative based on a review of social, economic, and environmental impacts; and e. It would create no truly unusual problems. f. Any plans reviewed by the City as part of this alternative analysis shall be kept on file at the City. Determination of impact minimization. (3) The applicant shall provide justification that the preferred alternative will minimize impacts to trees. The following guidelines shall be used: a. The location of existing structural or natural features that may dictate the placement or configuration of the project; b. The sensitivity of the site design to the natural features of the site, including topography, hydrology, existing vegetation, preservation of natural vistas, and impacts on adjacent property. In cases of infill development, consideration shall be placed on sensitivity to adjacent properties; c. The value, function, and spatial distribution of the trees on the site; Unavoidable impacts. (4) Unavoidable impacts that remain after efforts to minimize, rectify, or reduce require replacement according to Subsection 1107.2106 (3). Tree Preservation Permit Process 1107.2105. Application. (1) Application for approval of a tree preservation plan shall be made in writing to the Zoning Administrator. This application may be made separately or may be included as part of a development application. Information to be included in the application includes at least the following: a. A Tree Preservation Plan exhibiting a stamp/certification and signature of the certified forester or arborist. The Tree Preservation Plan shall be prepared at the same scale as the proposed development plan and shall show the following: Survey location of all significant trees; A significant tree summary sheet identifying the species of all significant trees located on the map; Identification of critical root zones extending from trees located on adjacent tracts, including the location and species of the trees; A table of area sizes for the following: Existing site area, floodplain area, and forest area. Proposed areas of tree retention. Proposed areas of tree removal. Proposed areas of reforestation and afforestation. A graphic delineation of the following areas: Proposed significant tree retention areas. Proposed afforestation and reforestation areas. Proposed limits of disturbance. Steep slopes of twenty-five (25) percent or more; Wetlands, including any required buffers; Topographic contours and intervals; Such other information that the City determines is necessary to implement this chapter. b. A simplified Tree Preservation Plan may be submitted where trees do not currently exist on the site or where existing trees will not be cut, cleared, or graded for the proposed development, and where adequate tree protection devices and long-term agreements are established for the protection of existing significant trees. This simplified plan may be included on the “Existing Conditions Survey” required as part of the preliminary plat. Allowable Tree Removal (2). a. Following the concept plan review and alternative analysis, listed in Subsection 1107.2104, significant trees may be destroyed without any required replacement within the width of required easements for public streets, utilities and storm water ponding areas. b. In areas outside of the exempted areas listed in subsection (a), up to 35% of the total dbh inches of all significant trees may be removed without replacement or restitution. Vacant Lot Development on Lots Platted Prior to January, c. 1996. On individual lots, up to 35% of the total dbh inches of all significant trees may be removed for the installation of utilities, driveways and the building pad without tree replacement or restitution. Redevelopment of Lots Platted Prior to January, 1996, and d. Developed Lots. On previously platted and developed lots, where the structures have been removed or destroyed to more than 50% of the current market value, up to 35% of the total dbh inches of all significant trees may be removed for the installation of utilities, driveways and building pads without tree replacement or resolution. e. Significant trees in excess of the limitations of this Section may be removed, provided all trees removed in excess of said limitations shall be replaced in accordance with the Tree Replacement Formula. Tree Replacement Formula (3). Replacement of removed or disturbed trees in excess of the percentage allowed by this subsection shall be according to the following guidelines: a. For development which exceeds the percentage of allowable removal of significant trees, all trees shall be replaced at the ratio of 1/2 caliper inch per 1 dbh inch removed. b. For each heritage tree saved, the developer may receive credit towards the required replacement trees. This credit will be at a rate of 2 caliper inches for each 1 dbh inch saved. To receive this credit, the applicant must demonstrate that extraordinary measures have been taken to preserve the heritage trees that otherwise would not be saved. c. Required replacement trees shall be planted on the site being developed. The applicant may also request approval to plan replacement trees on boulevards. Planting on such sites shall be done at the discretion of the City. d. Minimum sizes for replacement trees shall be: Deciduous - 1 1/2" caliper Coniferous - 6 feet in height e. Replacement trees shall be from balled and burlapped, certified nursery stock as defined and controlled by Minnesota Statutes §18.44 through 18.61, the Plant Pest Act, as may be amended from time to time. Replacement trees may also be from bare th root stock, provided the trees are planted no later than May 15, and the planting is inspected by the City. f. Replacement trees shall be covered by a minimum 1-year guarantee. g. Replacement trees shall be of a species similar to other trees found on the site where removal has taken place, or shall be selected from the list of significant coniferous and deciduous trees found in the Public Works Design Manual. Selection of replacement tree types for use on public sites shall be at the sole discretion of the City. h. Where heritage trees have been removed, replacement trees shall consist of the same species as the removed heritage tree, or a tree that has the same potential value as the removed heritage tree. This value shall be certified by a certified forester or arborist. For the purposes of this paragraph, value is defined as a species which has the same growth and life potential as the removed tree. i. New subdivision trees, as required by Subsection 1005.1000, may be counted towards required replacement. New subdivision trees must meet the size requirements listed in Subsection 1005.1001. j. Replacement trees may be utilized to meet landscaping requirements if placement, species, and location are consistent with necessary landscaping provisions. Certification of Compliance with Approved Landscape Plan (4). Upon completion of the required landscaping, the Developer shall notify the City and request an inspection of the work. Following the inspection, the City shall notify the Developer that all work has been satisfactorily completed, or what work is still required. The required warranty period outlined in Section (5) below, shall begin on the date of the letter satisfactory completion issued by the City. a. The City of Prior Lake may, at its option, hire a consultant to verify and advise the City on matters involving this Ordinance. Any and all costs incurred by the City in hiring a consultant shall be reimbursed by the Developer, if not included within a Development Contract. Warranty Requirement (5). Sites of New Development a.. The Developer shall provide a financial guarantee, in a form satisfactory to the City, prior to the approval or issuance of any permit for land alteration. The amount of the guarantee shall be 125% of the estimated cost to furnish and plant replacement trees. The estimated cost shall be provided by the Developer subject to approval by the City. The estimated cost shall be at least as much as the reasonable amount charged by nurseries for the furnishing and planting of replacement trees. The City reserves the right in its sole discretion to determine the estimated cost in the event the Developer's estimated cost is not approved. The security shall be maintained for at least 1 year after the date that the last replacement tree has been planted. Upon a showing by the Developer and such inspection as may be made by the City, that portion of the security may be released by the City equal to 125% of the estimated cost of the replacement trees which are alive and healthy at the end of such year. Any portion of the security not entitled to be released at the end of the year shall be maintained and shall secure the Developer's obligation to remove and replant replacement trees which are not alive or are unhealthy at the end of such year and to replant missing trees. Upon completion of the replanting of such trees the entire security may be released. Previously Platted. Vacant Lots b.. For construction on vacant lots platted prior to January, 1996, the developer shall provide a cash escrow in the amount of $500.00 to guarantee compliance with the requirements of this Ordinance. Said security shall be released upon certification of compliance by the developer to the satisfaction of the City. Notwithstanding the foregoing, no portion of the security shall be released while there are unsatisfied Developer's obligations to indemnify the City for any expenses in enforcing the terms of this agreement. Redevelopment of Lots Platted Prior to January, 1996, and c. Developed Lots. For construction on previously platted and developed lots, the developer shall provide a cash escrow in the amount of $500.00 to guarantee compliance with the requirements of this Ordinance. Said security shall be released upon certification of compliance by the developer to the satisfaction of the City. Notwithstanding the foregoing, no portion of the security shall be released while there are unsatisfied developer's obligations to indemnify the City for any expenses in enforcing the terms of this agreement. d. The City may retain from the security required in (a), (b) and (c) above as reimbursement an amount expended by the City to enforce the provisions of this section. Entry on Private Property and Interference with Inspection 1107.2106. The City's Zoning Administrator and/or his/her agent may enter upon private premises at any reasonable time for the purposes of enforcing the regulations set forth in this Section. No person shall unreasonably hinder, prevent, delay or interfere with the City's Zoning Administrator or his/her agents while they are engaged in the enforcement of this Section. 1107.2107 This Ordinance does not apply to dead and diseased trees. The City's diseased tree program is found in City Code Section 602.