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9 <br /> <br />incorporated with the understanding that it is city maintained. After further discussions with <br />the Vickers, developer and City, the final design includes a conventional outlet structure with <br />discharge from Pond 100 to the private ditch with rip rap armor and no plunge pool dissipator. <br />The pond remained oversized further reducing the rate of runoff from the site which is well <br />below the existing conditions. <br /> <br />A Permanent Drainage & Utility Easement agreement between the Vickers and the City has <br />been agreed to and was recorded on July 6, 2020-Document No. 2268373.003. The City will <br />be responsible for stormwater maintenance within the easement area. Great River Energy <br />(GRE) has also approved the drainage easement and storm pipe through their easement. <br /> <br />Phasing <br /> <br />The site will be mass graded in one (1) phase and developed in two (2) phases. Phase 1 has 35 <br />lots and Phase 2 has 33 lots. <br /> <br />Utilities <br /> <br />Public water, sanitary and storm sewer utilities will be installed within the development. <br /> <br />Five (5) watermain and sanitary laterals are stubbed from Red Oak Lane south to 6687 20th <br />Avenue for future development of that parcel. <br /> <br />Sanitary Sewer <br /> <br />An 8”-10” sanitary sewer pipe, 4” forcemain and lift station will serve the site. The lift station <br />and pipe system will be designed to service a larger area in accordance with our City’s <br />Comprehensive Plan. <br /> <br />Both existing houses located at 6651 and 6677 20th Avenue are served by private septic <br />systems. The house located at 6677 20th Avenue is being relocated onto a new lot in the <br />subdivision. Both houses are required to connect to the municipal sanitary sewer system. <br /> <br />Watermain <br /> <br />A 16” diameter trunk watermain will be installed along Red Oak and Josephine to provide for a <br />future trunk loop to the west. This trunk line is part of the City’s Comprehensive Plan. The <br />remainder of the site will be served by an 8” watermain and loop back into the City’s trunk <br />watermain within Birch Street. <br /> <br />The house located at 6651 20th Avenue is connected to municipal city water. The relocated <br />house will also connect to municipal city water. <br /> <br />Public Land Dedication <br /> <br />The City will require cash in lieu of land dedication. Per the City’s Park, Greenway & Trail <br />System Plan, a future neighborhood park is programmed to the west of this site. Sidewalks <br />along the streets in the development will connect to future trail corridors along CSAH 34