10-21-1991 Planning Packet - Laserfiche WebLink

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Staff, Planning Commission and City Council September 20, 1991 Page Two i J -«b. The old sewage pond has been arained and currently resembles a naturally occurring wetlands area. In fact, it ‘.as been designated as DNH protected wetland #27-836W. With its open water, marsh grasses and wild life, it becomes the primary focal amenity to this proposed residential development. Most of the pond area would be contained in Outlot A, bordered on the west by Long Lake Creek and on the east by Orchard Pond Trail. It appears that minimal fill may be required along the western edge of the road but not to the extent that the wetland will be adversely impacted. The MPCA has been contacted as to any concerns they might have in this proposed development but, as of this writing, have not responded to this latest request. Previous testing and correspondence between MPCA and the City of Long Lake indicated they no longer had any concern or interest in the pond. The cul-de-sac (designated Orchard Pond Circle) is located in such a manner as to minimize disturbance of the slopes on the east central portion of the property. Such orientation also permits saving the large cedar trees whicn border the current entrance drive. Most of the lots (7) would be accessed from this cul-de-sac. Lot 4, Block 2 uses a "flag lot” arrangement from the cul-de-sac. The flag lot permits a more realistic access to the lot. even though it technically "fronts" onto Orchard Pond Trail. For this reason, we do not believe this lot will require a variance. The streets are planned to be bituminous with a concrete curb and gutter. They would be 30 feet wide back-to-back within a 50 foot right-of-way. Sanitary sewer would be routed to the MWCC lift station, except for Lots 1 aiid 2, Block 1 which would have their sewage conveyed west via sewage ejector pumps to an existing manhole. Water service would be provided from the City of Long Lake distribution system, from a point on Orchard Drive in the Orchard Meadow Subdivision. The watermain would be contained within public rights-of-way and utility easements and would eventually "loop" back toward Orono Orchard Road along the southern border of the Burlington Northern Railroad R.O.W. Drainage would be directed primarily from the potential building pads to the streets, and to the pond via a storm water collection system. Control of sediment rur..*f both during and after construction, from the development to the pond and from the pond to Long Leike Creek, would be provided in a manner acceptable to the Minnehaha Creek Watershed. Drainage to the east and south would not be increased, either in quantity or velocity, from the existing conditions. Standard, accepted erosion control techniques would be employed during construction until adequate vegetation is established. The only variance that appears necessary occurs on Lot 1, Block 1. The Orono City Ordinance requires 1/2 acre of dry, contiguous land for a building S 1 i ■ r* i I ■ r< I rnrrf' - rnrf - - ‘ ----------iM'JI r i iriri‘ iIfcni-- rrr.-i if « jmn.-r Jr -----rgifii I inTinri i i iPir i I Ate f I /AmAP