10-19-2009 Planning Commission Packet

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Memorandum �Bonestroo To: MelanieCurtis Project: 3382BaysideDrive Date: 10/19/09 2335Highway36W St.Paul,MN 55113 From: John Smyth Client: City or Orono Te1651-636-4600 Fax651-636-1311 Re: Wetland Buffer Ordinance File No: 139-09000 www.bonestroo.com Remarks: This project involves the construction of a new home at 3382 Bayside Drive. Due to it being a new structure with grading the proposed project is subject to the City Wetland Ordinance. Per the filled out MNRAM provided by the applicant this wetland is classified as a Manage 3 basin which requires a 16.5 foot buffer and 20 foot setback from the buffer. Buffer Condition and Requirements A site evaluation was completed in October 2009 and it was determined that a portion of the buffer is currently turf grass and contains buckthorn. Per Div.3 Sec.78-1605(2)(a)turf grass and buckthorn is considered an undesirable plant species and will need to be removed and replaced with native vegetation. The applicant has submitted a proposed landscaping plan. With some additional information the landscape plan should meet the requirements ofthe Wetland Ordinance. The additional information required includes: 1. Quantities and size of the plants to be installed 2. The applicant proposes to maintain the buckthorn hedge within the buffer. Buckthorn is an invasive species that is considered undesirable and is specifically listed as a . species to be removed if within the buffer.There is only a small portion of the hedge within the required 16.5 foot buffer and it is recommended to replace this portion of the hedge with other species so it is in compliance with the ordinance. 3. A schedule of activities that are part of the management and maintenance(mowing invasive weeds,spot herbicide treatment of invasives,etc.)for the establishment of vegetation in the buffer shall be provided. Survey Requirements The current survey shows an area of native seeding but does not depict the wetland delineation or a line that is labeled as the buffer. The location of the wetland boundary and buffer will need to be shown on the survey along with a legal description for the upslope edge of the buffer which is required to be submitted with the Restrictions and Covenants. Restriction and Covenant for Wetland and Buffer Per Section 78-1611 of the wetland ordinance the owner shall record Restriction and Covenants over the wetland and buffer with the property chain of title. A form with the language for the Restriction and Covenants is available from the City.