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TJKM Transportation Conwlmms generated new trips at the interchange. The "units per trip" column is simply the calculation of how many units it takes to create one new trip. For general residential, for example, it takes about 0.69 of a dwelling to create one new trip, or one dwelling creates (or generates) 1.45 trips in the a.m. and p.m. peak hours. For general office evaluated on aper-thousand square foot basis, one new trip is generated for every 329 square feet of office space. The fee rate column then converts this information to the fee rate per dwelling or per square foot, room or pump position. The pass-by factor is used to estimate "new trips" as opposed to trips already on the street network or crossing the interchange for other purposes. In other words, trips are not made primarily to get to a fast-food restaurant or gas station, but more typically when the motorist sees an opportunity to get gas or food during trips for other purposes. Similarly, banks with ATM's attract passing traffic that is generated for other trip purposes. Pass-by trips are subtracted from the project trip generation to estimate the number of new trips resulting from each type of project The fee calculation is thus: ($1,823*0.208) X Total a.m. + p.m. trip generation rate. Rates per square foot are calculated by dividing by 1,000, because the ITE rates are per 1,000 square feet where indicated by "ksf." Table V: Calculation of Interchange Improvement Fee Rates for Development L d U C Land Use Pass-By ITE Rates Units/ Fee Unit an se ategory Voria6le Factor a.m. p.m. Total Trip Rate Residential General Unit 1.00 0.63 0.82 1.45 0.6897 $549.81 Dwelling Residential Senior Unit 1.00 0.22 0.27 0.49 2.0408 $185.80 Dwelling General Office ksf 1.00 1.55 1.49 3.04 0.3289 $ I . I S Sq. Ft. Medical Office ksf 1.00 2.30 3.46 5.76 0.6289 $2.18 Sq. Ft. General Retail ksf 0.75 1.00 3.73 4.73 0.2819 $1.34 Sq. Ft. Personal Services ksf 1.00 1.38 3.53 4.91 0.1047 $1.86 Sq. Ft. Quality Restaurants ksf 0.80 0.81 7.49 8.30 0.1506 $2.52 Sq. Ft. All Other Restaurants ksf 0.50 11.52 11.15 22.67 0.0431 $4.30 Sq. Ft. Financial Services ksf 0.75 21.49 12.13 33.62 0.0397 $9.56 Sq. Ft. Hotel/Motel Room 1.00 0.66 0.64 1.30 0.7692 $492.93 Room General Industrial ksf 1.00 0.92 0.97 1.89 1.1628 $0.72 Sq. Ft. Mini-Warehouse ksf 1.00 0.15 0.26 0.41 I.6I29 $0.16 Sq. Ft Service (Gas) Station position 0.20 12.16 13.87 26.03 0.1921 $1,974.01 position Note: ksf = 1,000 square feet Pass-by Factor = % New Trips The above fees are recommended for implementation within the impact area, the four quadrants in Figure I. From 2009 through 2030, imposition of these supplemental fees in the DFSI program should generate approximately $2.39 million in addition to impact fees already collected by the city for the Kaiser and ICI Retail projects. Of course, standard DFSI fees would also be imposed as they are for all development projects in the city. Page 11 Final Report - Trofjtic Impact Fee Analysis for 1-880/Marina Interchange Improvement November 12, 2009