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1: design of the Project. This information may be obtained from the City, Caltrans, utility companies, or other organizations. Data to be reviewed includes the following: B k F • Any previous report(s) or documents related to the proposed project area • As -built plans • Utility information • Survey control data • Right -of -way information including the Caltrans maps delineating access control limits • Materials Report, if available • Traffic Studies conducted in support of Project scope Encroachment Permit Application - BKF will prepare a Caltrans encroachment permit application for submission and processing. The permit will allow for BKF and its Project team to perform site visits and investigations required to establish the Project's existing conditions within the State right -of -way. Site Visits — BKF and its Project team will conduct frequent site visits to evaluate and document the existing project site conditions. Design Surveys and Survey Control Data — BKF will provide supplemental design surveying services for the Project. BKF will review the existing aerial base mapping and perform additional field surveys necessary to support the Project design. These surveys will include, but are not limited to cross sections, verifying utilities and drainage facilities, pavement elevations and locations, potholing, boring locations, conforms, vertical clearances, obstructions, trees, lighting fixtures, fences, retaining walls, drainage swales and ditches. Project Base Sheets — Project base sheets will be developed under this work task. It is assumed that existing aerial base mapping will be made available to the Project for use as design base sheets. The base sheets will be supplemented with the topographic field survey performed. The proposed work plan proposes to update project base sheets early in the design phase so that the base sheets may be used for the geometric development and environmental revalidation. In this manner, the preliminary geometric work performed is based on the most accurate information available and will minimize revisions in later phases Utility Verification — BKF will perform utility research and surveys to map the existing utilities in the Project area, positively locate utilities that potentially conflict with the proposed improvements and develop relocation plans for conflicting utilities. This level of effort will minimize construction costs and ensure the correct placement of the proposed improvements. BKF will: • Review and update as -built utility information for the Project area • Request utility mapping from all affected utility owners • Update base mapping with existing utility information • Submit utility maps to affected utility owners for verification • Identify potential utility conflicts Traffic Operations Analysis — As the dual westbound right turn improvement to the NB I -680 Bernal on- ramp intersection was recently evaluated in the traffic impact study for the Bernal Property (South Bay Development), much of the existing and background data to complete the operations analysis for a PEER will be readily available. In addition to the Bernal Property traffic impact study, the City has recently completed traffic counts at various locations, including the I- 680 /Bernal Interchange. The PEER will contain all of the typical elements of a traffic study, including traffic forecasts and traffic operations. Our recommended initial step on this Project would be to meet with Caltrans to explain the interchange reconfiguration request, the current operational issues, and our intended forecast