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Table 3-2 provides a concept level cost for Phase A2. <br /> Table 3-2.Concept Level Cost for Phase A2 Watermain and Booster Stations with WTP in Dayton. <br /> Item Quantity Units Unit Cost Total Cost <br /> New Water Main 0 <br /> 36" Open Cut DIP 53,500 Feet $500 $2637507000 <br /> Lateral Benefit 26,000 Feet ($200) ($5,2003000) <br /> 36" Jacked Road/River 1 450 Feet $4 000 $5 800 000 <br /> Crossing ' <br /> 24" Open Cut DIP JS 10,200 Feet $400 $47080,000 <br /> Booster Stations qE <br /> 10 MGD (Rogers) 1 Each $270005000 $2,000,000 <br /> 10 MGD (Dayton High 1 Each $2 000 000 $2 000 000 <br /> Zone, Rogers) ' <br /> Easements/Land 325,000 Square $6 $1 950 000 <br /> Acquisition Feet ' <br /> Environmental 12 Miles $50,000 $6003000 <br /> Subtotal $37,980,000 <br /> Contingency (30%) $11,4007000 <br /> Eng/Admin/Legal (20%) $9,900,000 <br /> Total Phase A2 $5%3001000 <br /> 3.6 Phase B — Extend Watermain to Corcoran <br /> Phase B consists of extending a 16" watermain from Rogers to serve Corcoran. The 16" watermain <br /> would provide up to 2 MGD of water to Corcoran which is the total amount of water that the Rogers <br /> system can provide without adverse pressure effects. A booster station is required to take the water <br /> from Rogers at an HGL of 1080 and provide it to Corcoran at an HGL of approximately 1130. The <br /> Phase B watermain and booster station are shown on Figure 3 in Appendix C using the Ramsey WTP <br /> configuration. <br /> The timing of the Phase B watermain is dependent upon the need for water in northern Corcoran. The <br /> watermain could be constructed before or after the Phase Al or A2 watermain. If the Phase B <br /> watermain and booster station were constructed ahead of Phase Al or A2, Corcoran could receive <br /> water from Rogers' existing wells until the regional treatment plant was constructed. <br /> Page—16 1 METROPOLITAN COUNCIL <br />