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TOS Jeanne A, Mabusth, Building & Zoning Administrator <br />From:Michael P. Gaffron, Asst Planning & Zoning Administrator <br />Date January 8, 1990 <br />Subject: Preliminary Plat of Indian Creek - Additional Septic <br />Review <br />The applicants have slightly revised their plat since my <br />memo of November 7th, and have provided additional testing on <br />various lots. I would make the following comments: <br />1. For Lot 1, Block 1, I was previously concerned about the <br />location of the drainfield site in the southeast corner, <br />near potential dralnageways and road construction. At our <br />meeting with the applicants on December 15th, they indicated <br />that along Watertown Road, the existing ditches would be <br />used, and that drainage from the west side of the new <br />private road would be culverted to the east. Additionally, <br />the site evaluator confirms that the system can feasibly be <br />moved further west to meet the minimum 20' lot line setbacks <br />and should not be affected by road construction. This site <br />definitely must be fenced off during road construction, <br />however, this appears to be a viable lot. <br />2. Nothing has changed on Lots 2 and 3, Block 1. Those <br />lots appear to have acceptable drainfield sites and adequate <br />room to place a house. <br />3. The easterly proposed drainfield site near the proposed <br />road in Lot 4, Block 1 has been eliminated. The new <br />alternate drainfield site is shown at the base of the hill <br />but above the flood plain elevation. Per our discussions <br />with the City Engineer, the location of the Conservation and <br />Flowage Easement and the flood plain demarcation line have <br />been moved to a lower elevation near Lots 4 and 5 based on <br />the berm systems to be created upstre2un (see grading plan). <br />The drainfield sites on Lot 4 seem to be quite suitable, and <br />elimination of the site near the road is a very appropriate <br />measure. <br />4. Similar to Lot 4, the drainfield sites in Lot 5 are <br />feasible and suitable in light of the grading plan with <br />berm system. <br />I 0- <br />5. Lots 4 and Block ^and Lots 1 and 2, Block 3, as <br />noted before, all appear to have reasonable drainfield <br />sites. We would encourage owners to locace houses and other <br />lot improvements as far from the drainfield sites as <br />possible where houses are directly downhill from those <br />sites. <br />A