2011-00156 - detached garage - Laserfiche WebLink

Home Browse Search

Memorandum �Bonestroo 2335 Highway 36 W To: Melanie Curtis Project: 340 Leaf Street Date: 5/13/201I St Paul,MN 55113 From: John Smyth Uient: City or Orono Tel 651-636-4600 Fax 651-636-131I Re: Wetland Buffer Ordinance fompliance File No: 139-I1000 www.bonescroo.com Remarks: The proposed site improvements trigger the requirements of the City wetland code. The wetland classification map indicates one wetland is located within the property and is classified as a Manage 3 with a I6.5 foot buffer. There is currently a concrete driveway located within the required buffer of the wetland. This is considered a legal nonconforming structure. When existin¢ surfaces, like the driveway, are within the area needed for the establishment of a buffer the applicant can be allowed Buffer Flexibility under 78-1608 (3) Nonconformities (d) Buffer Flexibility. The applicant will need to provide a survey that shows where the buffer is being expanded to make-up for the square footage of the buffer that is lost due to the existing driveway. Buffer Yegetation Aequirement� If any of the buffer area is disturbed by graded or currently is turf it will need to be restored to native vegetation. A plan that provides the location of seeding, proposed native seed mix to be seeded and method of site preparation and seeding should be provided. According to the ordinance Div. 3 Sec. 18-1605 (3) the seed mix must contain at least 12 pounds (PLS) per acre of native prairie grass seed and 5 pounds (PLS) per acre of native wildflower seed. The grass mixture must contain a minimum of four species while the wildflower mixture must contain a minimum of five species. (MN BWSR Web Site — Publication: "Restoring & Managing Native Wetland and Upland Vegetation" source for options). Once the native vegetation is established the buffer area will not be allowed to be mowed unless it is for maintenance aher October 15. Wedand Bu�er Marlaers It is recommended that at least two markers are placed at the upland boundary of the wetland buffer edge. Signage is available from the City and will be sold to the landowner. Itecommendations It is recommended that the items in this memo are addressed prior to approval. An escrow amount for $ 1,500 is recommended to cover the cost of buffer development if not completed by the applicant and compliance checks. t�'