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THE PRESERVE ON SUNSET LAKE <br /> CONCEPT NARRATIVE <br /> Page 6 of 5 <br /> testing will require the review and approval of Washington County. Due to the large lot size <br /> the owners of the lots will have some flexibility on home site location. The design of the septic <br /> and subsequent well locations may vary from the plan. The wells would be required to remain <br /> a minimum of 50-ft from each of the proposed drain fields. <br /> Storm sewer would be handled for rate, water quality and infiltration in swales, culverts and <br /> ponding. The existing low points of the project would be used for ponding to limit the amount <br /> of earthwork moving for the site. Grading the site will require the permitting from the City <br /> and from the MPCA for their general storm water permit. <br /> The City will be included in correspondence to the watershed and also receive a copy of the <br /> state NPDES permit and SWPPP document. <br /> The proposed roadway has been presented as a rural section with 12-foot drive lanes and 4-foot <br /> gravel shoulders. Each of the driveways has a designed location with a culvert to allow flow of <br /> water through the rural swale section along the roadway. Each of these culverts have been <br /> designed to accommodate the 100 year flood event. <br /> J) CONSTRUCTION SCHEDULE: <br /> We would like to move this project along as fast as the city's meeting schedule and review time <br /> will allow. We would anticipate construction to start this year with a model home being built <br /> for the spring parade of 2019. <br />