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. Page 9 <br /> Minnetonka Bluffs, Ferndale Road, Orono Lane, County Road 15 Proposed Sanitary <br /> Sewer Improvements <br /> � SUMMARY SHEET <br /> The feasibility report reviewed two basic alternates for providing sanitary <br /> sewer service to the area. Alternatel is a gravity system with a aingle lift <br /> station discharging into the Me[ropolitan Sanitary Sewer In[erceptor. <br /> Alternate II consists of a gravi[y system in the Minnetonka Bluffs and Orono <br /> Lane area with Ferndale Road and County Road 15 being served with small grinder <br /> pump stations . <br /> The estimated project cost along with the estimated assessment rate as determined <br /> on a unit basis is as follows: <br /> Alternate I Alternate II <br /> Est 'd. Cost Cost/Unit* Est ,d. Cost Cost/Unit* <br /> Minnetonka Bluffs $159,600 $11 ,590 $159,600 $ 9,300 <br /> Orono Lane 54,400 8,870 69, 100 7,920 <br /> Ferndale Road 421,820 28,730 173,200 11,830 <br /> County Rd . 15 81,900 15,620 64,600 10,870 <br /> Trunk Sewer 219,560 * 91,700 � <br /> *Cost/unit includes tr�nk cost. <br /> Alternate II results in a lower cost/unit but Maintenance costs are approximate- <br /> ly $7,000 higher per year than for Alternat , I. Distribution of increased main- <br /> tenance costs have ;not been determined at : his time. <br />