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Ms. Rebecca Davis May 5, 2020 Page 2 use had terminated, a considerable portion of the site was vacant and the non - vacant portions were mostly occupied by uses that generate trips at considerably lower trip rates than industrial park use. Table 1 — Trip Rates Based on Prior Land Use Land Use Category Use Size Daily AM PM Peak' (sq. ft. Trips* Peak* Warehouse 119,121 279 27 31 Research & 5,000 56 2 2 Development Homeless Shelter 30,000 negligible 0 0 Vacant Space 53,000 0 0 0 Total trips from 207,121" 335 29 33 existing uses EIR Baseline based on 212,121 1,326 159 159 Industrial Park Use Percent increase when 395% 540% 481% EIR baseline is compared to Existing Use baseline The DEIR lists the existing uses of the site as 119,121 square foot of warehouse and distribution (Trip Generation,10t" Edition Land Use Category 150), 5,000 square feet of Research and Development (Trip Generation,10th Edition Land Use Category 760), 53,000 square feet vacant and 30,000 square feet in use as a temporary homeless shelter. The 119,121 square feet of warehouse would generate 1.74 trips per thousand square feet daily, .17 trips per thousand in the AM peak hour, and .19 trips per thousand in the PM peak hour. This would be 207 trips daily, 20 trips in the AM Peak and 23 trips in the PM peak, or, adjusting for passenger car equivalences (PCEs) for heavy truck percentages at this use per the Fontana Truck Study or SCAQMD, 279 daily, 27 AM peak and 31 PM peak passenger car equivalent trips. The 5,000 square feet of Research and Development facility would generate 11.26 trips per thousand square feet daily, 0.42 trips per thousand in the AM peak and 0.49 trips per thousand in the pm peak. This would amount to 56 trips daily, 2 trips in the am peak and 2 trips in the PM peak. The served population at the homeless shelter generally do not generate any vehicle trips and the staff generally has shifts involving commutes outside of commute peak hours, so they do not generate any peak hour trips and an unknown but negligible number of daily trips. The vacant space generates essentially zero vehicle trips. So the maximum trip generation of the existing use at the time of the NOP and the when the existing traffic baseline data was collected (not the long term prior use that was previously vacated) is about 29 I R A I I [( • „i %N 11 IR I A 110A, • .%,AN,AQIS"I N I. 5.)I I I <,w , R,md, Union Cite, CA 91587 tel: 510.459.9477 Ins: SIC).481)L),175