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Scope of Work The following scope of work details the additional work covered in this contract amendment and is organized per the tasks in our original approved contract with the City dated November 20, 2018. TASK 1 TECHNICAL STUDIES FOR THE GENERAL PLAN UPDATE Task 1.1 Traffic Analysis The City of Santa Ana has proposed to merge the contracts for the Circulation Element Update and the GPU EIR. In terms of the respective traffic study scopes of work, merging the two projects creates efficiency related to the production of a single traffic study, but does require additional work to ensure that the scope of the combined traffic studies —in terms of study intersection and study roadway segments —is sufficient to adequately analyze the combined potential traffic impacts of the two projects. IBI Group's scope of work under PlaceWorks' GPU EIR contract includes analyzing existing and forecast traffic conditions at up to 40 intersections and 60 roadway segments. 181 Group previously completed the Existing Conditions analysis portion of the traffic study for the GPU EIR. The Circulation Element Update traffic study includes analysis of 84 intersections and 52 roadway segments. Additionally, the locations analyzed for the Circulation Element Update and GPU EIR do not necessarily overlap. This is a result of these documents proposing changes —either roadway or land use —in different locations in the city. The Circulation Element analysis locations also reflect input from OCTA, Caltrans, and adjacent cities regarding analysis locations related to the proposed roadway reclassifications. In comparing the scopes of work for the two studies, IBI has identified the need to analyze up to 110 intersections and 85 roadway segments for the combined Circulation Element and General Plan Update. This combined set of locations considers the original 40 intersections and 60 roadway segments in the base contract, incorporates additional intersections and roadway segments for the Circulation Element, and includes further additional locations outside of Santa Ana in Costa Mesa and Irvine that IBI believes are prudent to analyze given the location and magnitude of the proposed land use changes in selected portions of the city. This updated analysis would also incorporate removal of the following proposed roadway reclassifications per the City of Santa Ana's request: » 5th Street » 1st Street » The PE Right -of -Way » Plaza Drive Based on these changes, IBI Group's remaining budget under the GPU EIR contract is not sufficient to accommodate the modeling, LOS, and VMT analysis required for a combined document. IBI's proposed additional scope of work is detailed below. OCTA Coordination With the proposed MPAH roadway reclassifications still requiring OCTA approval, ongoing coordination with OCTA will be required during the preparation of the traffic study for the combined Circulation Element Update and General February 7, 2020 (revised April 9, 2020 1 Page 2