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Page 6 <br />dwelling unit. This translates to 30 spaces (8 garage or carport, 16 additional resident <br />spaces, and 6 guest spaces). <br />Given the nature of these houseparent suites, and the expectation that no more than <br />two drivers (and thus two vehicles) will be residents in each suite "household ", it is <br />concluded that the realistic parking needs of these units is 2.5 spaces per unit, for a <br />total of 20 spaces. This provision includes two resident spaces per suite, resulting in <br />16 resident spaces, (8 of which must be garage or carport spaces), plus 4 spaces for <br />guests. <br />ANALYSIS AND CONCLUSIONS <br />Weekday Daytime Parking Needs <br />The above discussion interprets the applicability of a "raw" code calculation to each <br />of the elements that will influence and thus determine the realistic day -to -day parking <br />needs of the Academy. They include a "blended" ratio per student for the campus' <br />academic needs, an additional conclusion that resident students with vehicles are <br />accounted for withui this blended ratio and thus need no further consideration <br />(particularly at the high school versus college level), and the further conclusion that <br />the realistic need for houseparent suite parking is a ratio of 2.5 spaces per houseparent <br />suite. Taken together, they represent the parking needs calculation methodology laid <br />out in the Findings and Recommendation section of this assessment. <br />Backing up to that "blended" ratio consideration, actual field study ratios topped out <br />at 0.22 spaces per student and this ratio reflects the aggregate parking needs of all <br />faculty, staff, commuter or resident student, and visitor campus parkers. It is <br />customary to add a contingency factor to raw field study data when converting to a <br />"design" ratio, with that contingency being on the order of 10 %. In this application, <br />the peak field- studied ratio or 0.22 has been increased by 25 percent and rounded up <br />to 0.28 spaces per student. That value is concluded to be a conservative basis to <br />determine the on -going parking needs of the Academy. <br />Additionally, LLG further recommends a student parking permit program as a <br />management technique to assure sufficient student parking spaces for those students <br />parking on campus, with the further objective to contain Academy parking within <br />only on- campus parking facilities during regular school hours. <br />Special Event Parking Needs <br />It is recognized that schools have special events and programs of relatively limited <br />frequency with parking needs that may exceed their day -to -day requirements. Vehicle <br />occupancy ratios during those events often average from two to three persons (or <br />more) per car, versus ratios much closer to one person per car for daytime faculty, <br />staff, and student commuters. As such, the 126 space "design' need (at full Academy <br />S'9'07�1113' =2 - riu \calcmr. S-1. Ina (C— N,wifl Lct --f• F- ci'PAIWIKG `.Ef D5 Mr5ESS %I Eur IF &t <br />31 B -35 <br />