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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» 1 TRAFFIC IMPACT ANALYSIS CHRIST OUR SAVIOR CATHOLIC PARISH LSA has prepared the following analysis to identify the potential traffic impacts resulting from the development of the Christ Our Savior Catholic Parish property (project) in Santa Ana, Orange County, California. LSA has prepared this analysis consistent with the City of Santa Ana (City) Capacity Calculations and Level of Service Standards and applicable provisions of the California Environmental Quality Act (CEQA). INTRODUCTION The purpose of this traffic impact analysis (TIA) is to identify potential traffic and circulation impacts associated with the development of the Christ Our Savior Catholic Parish (Church). Figure 1 shows the project location. In accordance with the approved Scope of Work (August 4, 2017), this limited scope TIA has been prepared because the proposed project is less intense than the project analyzed in the previously certified Armstrong Ranch Development Project Environmental Impact Report (Armstrong Ranch EIR) in June 2002. As such, an analysis of significant traffic impacts to City streets and intersections has already been conducted, and an access analysis will suffice to address the remaining traffic concerns. The issues addressed in this analysis include the performance of the project access intersections and interface with the arterial street system. The traffic analysis for the project examines two scenarios: 1. Existing conditions 2. Existing plus project conditions A residential project with 42 single-family homes is proposed on the property adjacent to and south of the project site. This project is in the approval process with the City as a separate application. However, the sale of the property for the residential project by the Church facilitates development of the Church project. Both projects are likely to proceed through construction on a similar timeline. Therefore, traffic volume associated with the residential project is included in the existing plus project conditions in this analysis. Project Description The existing site consists of a 4,770-square-foot (sf) sanctuary with 396 seats, 2,420 sf of office space, and 3,700 sf of courtyard space. The project proposes to demolish the existing sanctuary, office, and courtyard spaces and construct a 19,427 sf sanctuary with 1,250 seats, a 6,004 sf parish center, 4,850 sf of meeting rooms, a 16,024 sf parish hall, a 23,956 sf courtyard, and a 19,346 sf garden. The new sanctuary, parish center, and meeting rooms will be constructed first, followed by demolition of the existing structures and construction of the parish hall. 3-52