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<br />(4) I inerant Rama Rgquirement <br />Itinerant ramp is used for loading and unloading passengers and short-term <br />pazking by transient- aircraft. The number of itinerant aircraft pazking spaces <br />required for the reliever system airports was determined by: <br />. Estimating peak month itinerant operations (10 percent of annual <br />itinerant operations) <br />Estimating average daily itinerant operations for the peak month (peak <br />month traffic divided by 30) <br />Assuming a busy itinerant day is 10 percent more active than the <br />average day <br />. Assuming 50 percent of the bury day itinerant operations aze conducted <br />by transient aircraft <br />Assuming that itinerant ramp space will be needed to accommodate <br />50 percent of the bury day transient aircraft (25 percent of the busy day <br />itinerant operations conducted by transient traffic) <br />A planning ratio of 300 square yazds was used for each pazked aircraft <br />Table V-4 summarizes the availability and defiat of itinerant ramp for each <br />of the seven reliever system airports. Two of the seven relievers currently need <br />additional itinerant ramp. By the end of the planning period, Anoka County-Blaine <br />Airport will require an additional 12,740 square yards of ramp and Crystal Airport <br />will require an additional 12,240 square yards of ramp; however, the existing tie- <br />down apron should be able to accommodate much of this demand Anew airport <br />in Seazch Area "A" would require a minimum of 3,710 square yards of itinerant ramp <br />by 2008. <br />(5) Terminal Buiidine R~gLirements <br />Terminal building requirements at a general aviation airport reflect the space <br />needed to accommodate airport management and the public (i.e., general aviation <br />V-29 <br />