75A - PH - EIR -1584 E SANTA CLARA AVE

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FF KOA CORPORATION PLANNING & ENGINEERING TECHNICAL MEMORANDUM Date: July 18; 2013 To: Mr. Robert Odle Odle Associates From: Min Zhou,'P,E., Vice President - KQA'Corporation Subject: Traffic Engineering Services for the TAVA Homes Project in the City of Santa Ana Introduction KOA Corporation (KOA) is pleased to submit this traffic analysis of a proposed site plan change for the TAVA Horns project in the City of Santa Ana. The purpose of the analysis is to evaluate the expected effect of closing the south entrance of the project to public access. The south entrance would have a "crash gate" only, allowing only emergency vehicle access. The analysis will consider the effect this change may have on Santa Clara Avenue and Wright Street, and reconsider recommendations for improvements to the Santa Clara Avenue /Wright Street Intersection, Background A traffic impact study was completed for the TAVA Homes ,project by KOA in 2011: This study analyzed the traffic volumes expected to be generated by the proposed 24 -unit residential project as well as their expected impacts to the surrounding roadway network. Access to the development was provided on Santa Clara Avenue on the north side of the project site and at Avalon Avenue on the south side of the project site. Eighty -five percent of project traffic was presumed to access the site via the north entrance, and fifteen percent was presumed to access the site via the south entrance, The 2011 study determined that the project would generate 230 net daily trips, including I8 AM peak hour trips and 24 PM peak hour trips. The study also determined that added traffic from the proposed project would result In .a significant Impact to one intersection, Santa Clara Avenue at Wright Street. Mitigation :measures designed to mitigate this impact were recommended. The recommended measures were a traffic signal, roundabout, or wide 2 -way left -turn lane. Additional background information can be found in the report "Traffic Impact Study for the TAVA Homes Project at 1584 East Santa Clara Avenue in the City of Santa Ana ", March 14, 2011, by 1KOA Corporation. Project Description The proposed project description based on the revised site plan Includes 24 single - family dwelling units on an approximately 5 -acre site. The project site is located at 1584 East Santa Clara Avenue, east of Wight Street, and 75A -125