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Memorandum 10 Dennis Trooien, Dennis Properties Subject: Traffic and Parking Study for Proposed Redevelopment of Arden Plaza Page 12 of 15 September 17.2007 o The Zoning Code presents a parking requirement for "retail sales," which applies to all ofthe proposed and existing retail uses. The Code requires one space for each ] 50 SF of gross retail sales floor space. From information provided to us, the total estimated retail sales floor area is 78,052 SF. For this area, the total number of spaces required on the site as perthe zoning code is 52] (78,052 divided by 150). The Zoning Code states that "the number of spaces required for a specific use may be reduced if the owner or occupant provides documentation that a lesser number of spaces will actually be needed than normally required by this Code and the City Council authorizes such lesser number after recommendation by the Planning Commission." Parking demand calculations based on current industry standards are presented next. o The ITE Parking Generation, 2004 presents parking data collected at numerous developments throughout the United States. These data present separate peak period demand data for pharmacy, supermarket, and general retail uses. Table 2 shows parking demand calculations for the proposed redevelopment based on lTE data. Table 2 Parking Demand Calculations Based on ITE Parking Generation, Third Edition Use Size Average Peak Period Parking Demand (Salnrday') (floor area) Rate Number of Spaces Existino retail 55,500 SF 2.97 snaces ner 1.000 SF ]65 Phannacv 14,386 SF 2.] soaces oer ] ,000 SF 31 Supennarket 16.230 SF 4.75 soaces per 1,000 SF 78 Retail J 4.300 SF 2.97 spaces per 1,000 SF 43 TOTAL 317 From Table I, the total estimated peak period demand for the site as a whole is 317 parking spaces. The Eno Foundation's Parking document indicates that the actual supply of parking should be 10 percent greater than the estimated demand. Such additional supply will provide reserve capacity to allow for cruising vehicles in search of a space, for snow storage and for other factors that cause inefficiencies. With the 10 percent factor, the total parking supply needed is 349 spaces (317 multiplied by 1.I). Based on the parking review and the calculations presented in this memorandum, the minimum number of parking spaces that should be provided on the site upon completion of the proposed redevelopment is 349 spaces. The current site plan 2 For all uses on the site upon completion of the proposed redevelopment, peak period parking demand on a Saturday is greater than peak demand on a lypical weekday.