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Municode Page 7 of 12 <br /> �� Plot plan. A scale drawing of the entire lot showing the following: <br /> �� All property lines and lot dimensions. <br /> 2� All existing and proposed structures. <br /> 3� All existing or proposed well locations, or water supply piping. <br /> 4� Relative elevations of house, lot corners and drainfield areas. <br /> 5� Slope of ground at drainfield sites by contour lines or direction arrows <br /> and slope percentages. <br /> 6� Location of all percolation test holes and soil borings with identifying <br /> symbols and relative ground elevations of each. <br /> 7� Primary and alternate drainfield areas identified. <br /> $� Distance from primary and alternate drainfield areas to property lines, <br /> well locations, and any lake, stream, marsh or drainage channel within <br /> 75 feet of any part of the system. <br /> �2) ISTS design. ISTS design specifications shall include proposed flows or other sizing <br /> information, minimum sewage tank capacity, minimum soil treatment area <br /> requirements, a plan of the component layout, and all other information necessary to <br /> assure the city that the ISTS is designed and will be constructed to receive, treat and <br /> dispose of all of the sewage from the building served. Footing or roof drainage, water <br /> softener recharge water, garage floor drainage, toxic chemicals, flammable liquids, <br /> animal wastes, commercial process water and commercial kitchen grease shall not <br /> enter any portion of the ISTS but shall be separately treated and disposed of <br /> according to the applicable regulations of the MPCA, the state board of health and the <br /> city. <br /> a� Setbacks. The minimum setback distance requirements are as follows: <br /> Feature Sewage Soil <br /> Tank Treatment <br /> feet Area <br /> ater <br /> su l well: <br /> Dee well50 50 <br /> Shallow 50 100 <br /> ell <br /> Wetland 50 50 <br /> Lake: <br /> General 5 5 <br /> develo men <br /> 75 75 <br /> Recreational <br /> evelo men <br /> Natural 150 150 <br /> environment <br /> ributaries, 5 5 <br /> streams <br /> Driveways, 10 10 <br /> sidewalks, <br /> ecks and <br /> ther <br /> hardcover <br /> Property 10 20 <br /> lines, <br /> https://library.municode.com/print.aspx?h=&clientI D=13094&HTM Request=https%3 a%2f%2flibrary.municode.com%2fNT... 6/24/2014 <br />