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Project # 71622600981 Sanitary Sewer Connection – Feasibility Study Page 6 Figure 1 – Existing Meadowwoods Village Sanitary System 4.1.2. Elk River Municipal Sanitary Sewer System The existing Elk River sanitary sewer system currently runs parallel to County Road 33 in the vicinity of the neighborhood. The newly installed system from the Windsor Park 3rd Addition is a gravity main that runs from the development east of Joplin St NW along County Road 33. The gravity collection system continues east to a lift station east of County Road 1 where the forcemain connects into the Great Norther Trail forcemain further east. 4.2. Proposed Conditions 4.2.1. Sanitary Sewer The proposed sanitary system for the Meadowwoods Village development would utilize both the existing gravity infrastructure installed within the development and newly constructed gravity infrastructure to connect the existing municipal system north of the development. The collection system within the development is an 8” PVC gravity system that flows to a common outlet point (lift station) at the end of the 210th Circle NW cul-de-sac with an elevation of 975.70’. The newly constructed municipal system that serves Windsor Park 3rd Addition includes an 8” gravity system that flows east parallel to County Road 33. This system crosses County Road 1 along the south side of the County Road 33 right-of-way. The southwest corner of the County Rd 1 and County Road 33 intersection that would serve as a connection point for the Meadowwoods system with a newly constructed manhole at the tie-in location. It is estimated that an invert elevation of 960.44’ would be utilized for the design (see Appendix B for details). Page 131 of 204