25G - AMENDMENT FOR GENERAL PLAN IMPACT REPORT

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Analysis will require updating to ensure consistency with the future conditions traffic analysis. IBI Group will prepare a draft and final version of the updated Existing Conditions Analysis for review by PlaceWorks and the City of Santa Ana. Expanded Future Conditions Trafi3cAnalysis The original traffic study scope of work assumed IBI Group would analyze up to 40 Intersections and 60 roadway segments. With the expanded list of study intersections resulting from the geographic spread of areas with proposed land use changes in the General Plan Update coupled with the study area included as part of the Circulation Element Update, the proposed number of study intersections has expanded to a minimum of 110 locations. This is an increase of 70 intersections above the base scope of work. The scope for this amendment task assumes the additional work efforts associated with analyzing 70 more intersections (110 total) and 25 more roadway segments (85 total) as part of the traffic study conducted for the General Plan Update EIR. IBI Group has also assumed that only one of the two land use alternatives will be fully analyzed and documented in the traffic study. After obtaining and processing the model data, a level of service (LOS) analysis at the additional study area intersections and roadway segments will be conducted and summarized. IBI Group will identify areas that would not achieve the City's LOS standards and will determine necessary improvements to achieve those standards. The Intersections will be field reviewed to verify the preliminary feasibility of the proposed improvements, and the resulting level of service at the impact locations will be quantified. Expanded Traffic Study Report IBI Group's original scope of work assumed preparation of draft and final traffic studies in support of the EIR. With the expanded number of study intersections and roadway segments, this analysis will require additional effort to prepare and complete the draft and final versions of the traffic study, including additional text and figures. Task 1.2 Air Quality/GHG Analysis No additional scope is required for this task. Task 1.3 Cultural Resources Analysis No additional scope is required for this task. Task 1.4 Noise Analysis No additional scope is required for this task. Task 1.5 Hydrology, Water Quality, and Infrastructure No additional scope is required for this task. Task 1.6 Potable Water and Sanitary Sewer No additional scope is required for this task. February 7, 2020 (revised April 9, 2020 1 Page 4 25G-8