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Ms. Katie Larsen <br />09/03/2025 <br />Page 5 <br />3.Show existing watermain along Norway Ln <br />WSB (9/3/2025) Complete <br />4.Test the existing gate valve in Norway Ln <br />WSB (9/3/2025) Complete <br />a.If holding, utilize the existing gate valve in Norway Ln for testing <br />i.Do not connect to existing with a gate valve <br />b.Otherwise, remove watermain back to and including existing gate valve <br />i.Connect to existing with new 8” gate valve at that location <br />thth <br />5.Utilize current utility as-builts/plans for Watermark 5 and 6 Additions <br />WSB (9/3/2025) Complete <br />6.WSB (9/3/2025) Show hydrant on plans <br />a.Adjust watermain as required such that hydrants are at all system high points <br />7.WSB (9/3/2025) Maintain minimum (7.5') cover or insulate over watermain for <br />transition at the north end and watermain stub <br />8.WSB (9/3/2025) Remove gate valve and pipe at final watermain stub <br />back to hydrant tee <br />a.Gate valve will be installed with future extension <br />9.WSB (9/3/2025)The northern most hydrant will be a temporary hydrant <br />a.-Hydrant will be shifted to lot line with future extension <br />10.WSB (9/3/2025)Utility services should be out of driveways where possible <br />•Sanitary Sewer <br />The proposed Erickson Property sanitary sewer is generally consistent with the original <br />Watermark preliminary plat. Originally this street was to be served from the north with an <br />th <br />8” stub from Rainy Lane as part of the Watermark 6 Addition but, due to the northern <br />most property in the stretch not participating, the segment will now need to be served from <br />th <br />the existing sanitary sewer in Norway Lane which was installed as part of Watermark 5 <br />Addition. This development will be served by 8- inch diameter poly-vinyl chloride (PVC) <br />pipe along with 4-inch diameter Schedule 40 PVC service pipe to each lot. <br />Comments: <br />1.Provide utility profiles <br />WSB (9/3/2025) Complete <br />2.Create a detail for connection to existing sanitary sewer main with sanitary manhole <br />a.Describe process for maintaining existing sanitary sewer, watermain, and <br />storm sewer service as well as vehicle access during construction <br />b.Review impact of proposed sanitary sewer main on existing storm sewer and <br />watermain <br />i.Provide how existing utilities will be protected during installation or <br />salvaged and reinstalled or removed and replaced <br />ii.Possible redesign/realignment of storm sewer <br />Erickson Property Development - Engineering Review <br /> <br />