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Preliminary and Final Plat NarrativePRELIMARY SUBDIVISION AND FINAL PLAT SUBMITTAL NAARATIVE Deer Haven Cha nhassen, Minnesota October 16,2O2O SITE INFORMATION Legal Description 80 Yosemite, Excelsior, MN 55331 250033500 EXISTING SITE DESCRIPTION The development site is 2.81 acres in size and currently contains one single family residence. The property has frontage along wood Duck Lane, as platted within Pheasant Hill 4th Addition and gains access via a 33 foot right of way platted as part of Pheasant Hill 4th Addition and Stoddart Addition. Existing access is over a private drive maintained by the applicant. There are no wetlands within the proposed plat and there is a scattering of mature specimen trees with turf maintained in a manicured state. PROPOSED PRELIMINARY SUBDIVIS ION PLAN The proposed development plan consists of a low density single-family residential development that splits the existing parcel into four single family residential lots, inclusive of the lot for the existing residence. The existing home would remain on the property within one of the four lots while the other three lots are made available for home building. Buildable lots would be a minimum of 15,000 square feet and be able to accommodate a 60'X 60-foot building pad while maintaininB setbacks prescribed within the ordinance. The plat would include one outlot for the purposes of the private drive and stormwater collection/treatment systems. The plat would also have drainage and utility easements to accommodate cross drainage and utilities consisting of City water and sanitary sewer. The Comprehensive Plan designation for the area is Residential Low Density with a range of 1,2 - 4.0 units per acre. The proposed development would have a density of 4 units/2.81 acres, or 1.40 units/acre. To the south of the existing house are steep slopes of approximately 0.45 acres. lf this area was considered not buildable, the net density is then approximately 1.67 units per acre. The area of steep slope is to remain unimpacted. CIIY OF CHANHASSEN RECEIVED OcI 16 2020 P/O SE1/4 NE1/4 DESC AS: BEG AT NE CORN SE1/4 NEl/4 TH SLY ON E LINE SE1/4 NEl/4 TO A PT 660'N OF SE CORN SE1/4 NE1i4 TH WLY PARALLEL WITH S LINE SE,I/4 NE1/4 281.07'TH NELY TO A PT ON N LINE OF SE1/4 NE1/4 198'WLY FROM PT OF BEG TH ELY ALONG N LINE 198 Address PID CHA}IHASSEN PIAI,INING DEff SITE ACCESS The site is currently accessed by a private drive over the platted 33 foot right of way. The drive continues to the residence across parcel 250033500(5480 Yosemite). Access to the site would be accommodated by a private drive constructed to a 7-ton design and 20 feet wide as required by ordinance. The proposal of a private drive requires a variance of which is an element of this application. Maintenance ofthe private drive would be defined by Covenants and filed upon the property. GRADING AND TOPOGRAPHY The existing home is adjacent to the beginning of steep slopes with a gradient to the south. The portion of the parcel that would accommodate the three new building sites slope gradually to the north. The grading plan provides for walkout sites but is proposing that each site is custom graded affording the highest probability of retaining the existing mature trees that hare healthy. lt is intended that each custom design would consider for removal those trees that are currently stressed, either due to age or Emerald Ash Borer disease. UTILITIES The existing home is currently served by sanitary sewer and water from the westerly Pintail Circle location. The other three sites would be served by a watermain extension from an existing main within the existing platted right of way and a sanitary sewer extension from an existing system within Wood Duck Lane cul de sac. with the extension ofthe watermain to serve the three new parcels, it is proposed that the existing residence would be connected to the new main as opposed to the existing long service line to the watermain within Pintail Circle. STORWATER MANAGEMENT AND WETLAND IMPACTS The development site is located within the Minnehaha Creek Watershed District. The City's stormwater management plan requires stormwater treatment and retention ponds designed to City standards. There are no proposed wetland impacts as demonstrated by the grading plan and wetland delineation re port. TREE PRESERVATION AND LANDSCAPING There are a number of trees on the site that have been planted as specimen trees. Some are quite old and are showing stress due to age (three pines and one Box Elder) or scalping over the years from lawn mowing (one stunted Maple). There are also a number of trees that are dead or showing stress from Emerald Ash Borer disease. However, there are a number of beautiful trees that it is the intent to preserve by custom site design and grading. Upon completion ofgrading, it is intended that individual home builders will screen the adjacent properties with everBreen tree plantings.