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An increase in available capacity at Anoka County-Blaine translates <br />into an increase in the reliever system's capacity. With the number of <br />projected operations remaining constant, the demand for available capacity <br />is reduced to 69 percent in Alternative 3. <br />The projected number of annual operations as a percentage of ASV <br />is presented in Table N 6. <br />3. System Delay <br />By the end of the planning period, the total reliever system delay for <br />Alternative 3 is estimated at two million minutes annually. This level of <br />system delay translates to approximately 1S minutes of delay for each aircraft <br />operation is the system. Average delay per aircraft at Anoka County-Blaine <br />is reduced to 1.8 minutes per operadoa (see Table N-6). <br />4. Preliminary System Cost <br />The cost of building a parallel runway (17R/35L) and taxiway at Anoka <br />County-Blaine Airport was estimated at 51,730,000 in the 1983 master plan.' <br />In 1989 dollars (assuming a 6 percent annual inflation rate), the cost to build <br />• a parallel rumvay and taxiway is estimated at 52,454,000. Construction costs <br />for an FAA tower at Anoka County-Blaine aze estimated at 51,000,000 (not <br />including annual operating costs). Total costs for Alternative 3 aze estimated <br />at 53,454,000 in 1989 dollars. <br />{4) <br />Alternative 4 uses the same assumptions as Alternative 2 regazding the <br />possibility of rumvay and taxiway extensions for Lake Elmo and infra-system <br />diversion. This alternative also assumes that capaaty at Anoka County-Blaine <br />Airport will be enhanced by the addition of a parallel runway and an air traffic <br />control tower. Similar to Alternative 3, improvements at Anoka County-Blaine will <br />increase annual capacity at this airport from as estimated 230,000 to 355,000 annual <br />operations. <br />L-.J <br />' Anoka County -,Blaine Master Plan, 1983, TRA. <br />N-26 <br />