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T RAFFIC I MPACT A NALYSIS S EPTEMBER 2017 C HRIST O UR S AVIOR C ATHOLIC P ARISH S ANTA A NA , O RANGE C OUNTY , C ALIFORNIA P:\DOM1701\doc\Traffic Impact Analysis.docx «09/20/17» 14 Table B: Project Trip Generation Summary Land Use (Land Use Code) Size Units ADT AM Peak Hour PM Peak Hour Sunday Peak Hour In Out Total In Out Total In Out Total Trip Rates Church (560) TSF 9.11 0.35 0.21 0.56 0.26 0.29 0.55 5.90 6.14 12.04 Existing Use Church (560)1 7.190 TSF 66 302 0 30 2 2 4 86 86 172 Evening Religious Classes3 180 0 0 0 18 18 36 0 0 0 Total Existing 246 30 0 30 20 20 40 86 86 172 Proposed Project Trip Generation Church (560)1 46.305 TSF 422 364 0 36 12 13 25 273 284 557 Evening Religious Classes5 270 0 0 0 60 60 120 0 0 0 Total Proposed 692 36 0 36 72 73 145 273 284 557 Net New Project Trips 446 6 0 6 52 53 105 187 198 385 Source: LSA (September 2017). 1 Building area includes the Church, Parish Center, Parish Hall, and Meeting Rooms. 2 Higher trip generation was used based on observed parking demand. 3 Proportionate to projected attendance based on seating. 4 Weekday morning service does not use the full existing facility and is projected to increase no more than 20 percent. 5 Trip generation increased from Table 3.10-8 of the Armstrong Ranch Development Project Environmental Impact Report due to increased class participation projection. ADT = average daily traffic TSF = thousand square feet Table C: Trip Generation Comparison to Master Plan Land Use (Land Use Code) Size Units ADT AM Peak Hour PM Peak Hour Sunday Peak Hour In Out Total In Out Total In Out Total Trip Rates Single-Family Detached Housing (210) DU 9.52 0.19 0.56 0.75 0.63 0.37 1.00 0.46 0.40 0.86 Church (560) TSF 9.11 0.35 0.21 0.56 0.26 0.29 0.55 5.90 6.14 12.04 Projects Proposed in Master Plan Area Trip Generation Single-Family Detached Housing (210) 42 DU 400 8 24 32 26 16 42 19 17 36 Church (560) 46.305 TSF 422 36 0 36 12 13 25 273 284 557 Evening Religious Classes 270 0 0 0 60 60 120 0 0 0 Total Both Projects 1,092 44 24 68 98 89 187 292 301 593 Approved Master Plan Trip Generation Church (560)1 83.000 TSF 756 40 40 80 30 25 55 490 510 1,000 Day Care Center 4.000 TSF 317 27 24 51 25 28 53 0 0 0 Evening Religious Classes 180 0 0 0 40 40 80 0 0 0 Approved Church Total 1,253 67 64 131 95 93 188 490 510 1,000 Reduction from Approved 161 23 40 63 (3) 4 1 198 209 407 Source: LSA (September 2017). 1 AM and PM trip generation referenced from Table 3.10-8 of the Armstrong Ranch Development Project Environmental Impact Report. ADT = average daily traffic DU = dwelling units TSF = thousand square feet 3-65