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Table 3-4 provides a concept level cost for Phase C. <br /> Table 3-4. Concept Level Cost for Phase C Watermain and Booster station. <br /> Item Quantity Units Unit Cost Total Cost <br /> New Water Main <br /> 36" Open Cut DIP 14,800 Feet $500 $75400,000 <br /> Lateral Benefit 71500 Feet ($200) ($1,5007000) <br /> 36" Jacked Road/River 450 Feet $4 000 $1 800 000 <br /> Crossing ' <br /> Booster Stations <br /> 10 MGD Expansion <br /> (Dayton High Zone, 1 Each $210001000 $2)0001000 <br /> Corcoran) <br /> 10 MGD Expansion 1 Each $2 000 000 $2 000 000 <br /> (Corcoran) ' <br /> Easements/Land 15 300 Square $6 $92 000 <br /> Acquisition Feet ' <br /> Environmental 3 Miles $50,000 $150,000 <br /> Subtotal $1199009000 <br /> Contingency (30%) $316007000 <br /> Eng/Admin/Legal $3,1007000 <br /> (20%) <br /> Total Phase C $189600,000 <br /> 3.8 Phase D — Scenario I — Complete 36" Watermain Loop - WTP in Ramsey <br /> Phase D —Scenario 1 (Phase D1) consists of completing the 36" watermain loop with additional <br /> watermain in Dayton and Ramsey, which also includes a second Mississippi River crossing. The <br /> Phase D watermain is hydraulically necessary to supply ultimate water demands. The Phase D <br /> watermain also provides redundancy and reliability because it completes a loop and can supply water <br /> from two directions. A booster station from Ramsey to Dayton would be required. The Phase D1 <br /> watermain and booster station are shown on Figure 5 in Appendix C. The Phase D1 watermain would <br /> be constructed after 2040 and would meet the ultimate demands of the Northwest Metro communities. <br /> Page—18 1 METROPOLITAN COUNCIL <br />