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Ms. Katie Larsen <br />09/04//2024 <br />Page 2 <br />7. Provide spot elevations of rear swale from south including all property lines <br />• Show proposed slopes <br />• Try to increase rear swale by adjusting proposed 908 contour line <br />• Stormwater Management <br />Stormwater management is not required under City ordinance. <br />• Water Supply <br />The proposed water will be supplied by three existing 1-inch Type K copper services <br />extended to the lots from Lois Lane. <br />Comments: <br />1. City records show that the utilities to the existing house (Lot 3) are already <br />connected to the City system <br />• Show existing water service alignment <br />• Otherwise, show connecting the existing house (Lot 3) to the provided <br />water service stub with construction <br />Abandon/seal the existing well for Lot 3 per MDH requirements with <br />construction <br />i. Note the existing well may be left in place for non -potable irrigation <br />use if MDH setbacks can be met from the proposed utility services <br />2. Keep utility services for Lot 3 out of the low area HWL <br />• Sanitary Sewer <br />The proposed sanitary sewer will be supplied by three 11/" diameter Schedule 40 PVC low <br />pressure service pipes extended to the lots from Lois Lane. All lots will require E-One or <br />approved equal grinder pump stations to connect to the City system. <br />Comments: <br />City records show that the utilities to the existing house (Lot 3) are already <br />connected to the City system <br />• Verify whether a low pressure grinder station is currently connected to <br />the City system as shown on the existing conditions plan sheet <br />i. Show sanitary sewer alignment <br />ii. Clarify how the existing sanitary sewer manhole to be removed is <br />incorporated into the current system <br />• Show septic system for existing house (Lot 3) if present <br />i. Remove existing septic system per Anoka County requirements with <br />construction and show connecting to the provided sanitary sewer <br />stubs with construction <br />1. Sanitary sewer service stub is 1 1/4" PVC SCH 40 <br />Slater Addition Engineering Review <br />