Agenda - Parks and Recreation Commission - 05/10/2001

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Sketch Plan Review: April 27, 2001 Page 2 of 4 Centex/Miller Utilities and Water Usage: The site is in the Metropolitan Urban. Service Area and the development will be served by municipal water and sanitary sewer. All utilities shall be stubbed to the edge of the plat at all road connections. Sanitary sewer will be extended from a manhole that is 3~0 f~et south of the intersection of Barium Street N.W. and 153a Avenue N.W. Gravity w/Il be utilized for the southern 1/3 of' ti-tis development, but a lift station and forcemain will be required to service the rest of the plat. Due to the size of this plat, the City would require the watermain to be looped and e~ended fi-om both the east and the west on 153~ Avenue N.W. This is to ensure that large mmibers of houses do not lose water supply with one breakage. The same holds true between the southern and northern ends of the plat. The current utility plan shows only one watermain to service everything north of Lot 31, Block 7. We would require another waterman be constructed between Lots 9 and 10 a.nd Lots 45 and 46, Block 7 to ensure continuous water supply to these customers. Lot Size and Dimensions: Ail of the lots appear to meet the 10,800 square foot area - requirement and 80 foot (90 feet on corners) lot w/dth requirement. Th.is information must be verified on the preliminary plat. Lots 1 through 13 of Block 1 are subject to the standards of the Rum River Scenic Overlay District.. These lots are required to be 90 feet in width and 12,150 square feet in area. Lot t3 is deficient of the minimm area requirement and ail of the Lots except Lot 3 are deficient of the width requirement. The preliminary plat must be adjusted accordingly.' Grading and Drainage: A Preliminary Grading a.nd Erosion Con~'ol Plan dated April 10, 2001 and prepared by Westwood Professional Services has been provided. The subdivision proposes drainSng streets and lots through a system of storm sewer s discharging to a back yard pond located in the rear yards of lots located in the sour. hem half of the subdivision. Th_is pond will provide water quzdity treatment prior-to discharge into a low area in Woodland Green Park. It is recommended that the outlet for th.is drainage plan be modified such that an outlet for the subdivision conveys storm water all the way to the Rum River. The plan should also anticipate constructing an outlet from the low area in Woodland Green Park into the storm