09-25-2000 Council Packet - Laserfiche WebLink

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\ h'r' IT Lot 4 would be a conforming lot and does have a buildable area that would be suitable for residential construction. Lot 5 would have would have approximately 90' of frontage along the front property line. Garden Lane is not proposed to be constructed north of the Outlot A connection. No direct access would be available from Garden Lane. Lot 6 contains a major ravine, shown on the preliminary drawings as a drainage easement. Section 10.55, Subdivision 15 (A) (2), "For properties served by municipal sanitary sewer, the minimum lot area may be divided by Flood Fringe lands provided at least one half acre of land not within the protected area is included in one contiguous parcel and both municipal sewer and legal access is available to that building site without encroachment on the protected area." According to the plan the driveway access would disturb the southern edge of the ravine. The City Engineer is reviewing the impacts of the driveway location on Lot 6. On-site grading and drainage plans must be submitted to the MCWD for review. MCWD permits will be required. Garden Lane adjacent to Lot 6 would not be developed. The land across Garden Lane is part of the Saga Hill Park. The ravine is a natural feature to the area and should be protected. Review Exhibit E half-section map indicating all land dedicated as part of the park and Garden Lane. Grading/Stormwater Management/Road Detaib (City Engineer Comments) Grading/Stormwater Management The road and most of the lots will drain towards the NURP pond shown on Lot I. The pond outlets to the drainage ravine along the south lot line of Lot 2. There is concern about the drainage being diverted into one location before it drains to the east side of Wildhurst Trail. It is recommended by the City Engineer that all drainage be diverted to the north from the pond and drain into the ravine located in proposed Lot 6 with some form of water retention downstream before it enters Lake Mirmetonka. The stormwater calculations indicate the runoff from the site would not increase, post development. However, the stormwater currently drains off the property in several locations. The grading plan indicates the drainage will now all be concentrated to the south ravine and out Lot 2. The subdivider should provide a map indicating the runoff pre and post development prior to Preliminary Plat approval. It does not appear access is possible to Lot 6 without impacting the ravine. The prelimLiary drawings show the drainage easement turning to the south to acconunodate a driveway. This would require land alteration and fi lling of a portion of the ravine to provide access. «2S96 Brenshell Homes 1181 Wildhurst Trail Class III Preliminary Subdivision June 19. 20C0 pagf-3