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SUNOL BOULEVARD/I-680 IMPROVEMENTS PA&F,D • Alternative evaluation matrix and evaluation process After reaching a common understanding with Caltrans, CONSULTANT will document the project's scope and will link it to the CPM schedule that accounts for all activities and reviews needed to deliver PA&ED. A narrative summarizing the PSR-PDS alternatives evaluation and agreements with Caltrans along with any revisions to the scope of work and CPM schedule will be submitted to CITY for review. All comments will be addressed,and fmal documents distributed to the PDT. Subtask 3.3 Mapping CONSULTANT has base mapping within the Caltrans Right of Way in the vicinity of the project area and proposes to use the existing mapping for PA&ED work. CONSULTANT will include right-of-way lines, existing horizontal control, utility, and drainage facilities on the base mapping using available record data. Subtask 3.4 Update Viable Alternative. In parallel with traffic forecast and operations analysis, CONSULTANT will refine the selected build alternative in the PSR-PDS. Under this task the build alternative will be refined to determine viable project components. This phase of the design is the most critical phase as it establishes the major features of the project and the development of engineering reports and criteria for final design. Preliminary engineering will establish right-of-way needs, confirm alignment and geometries (which may produce different environmental impacts to the project) and develop a utility envelope. Subtask 3.5 Nonstandard Geometric Features. The geometries of the existing facility and proposed alternatives will be checked for non- standard features. Geometric refinements will be investigated to assess if any non- standard features can be eliminated. A list of Boldface and Underline design standard exceptions will be identified and coordinated with the Caltrans HQ geometrician and District 4 staff. Once preliminary concurrence on the project geometrics is reached, Design Standard Decision Document will be drafted and submitted to the Caltrans HQ geometrician and District 4 staff for review and comment. CONSULTANT will address comments and submit final Design Standard Decision Document for Caltrans approval prior to submittal of the Draft Project Report. Traffic and accident analysis,physical constraints, cost, access control,and environmental impacts will be critical factors in justifying the design. Subtask 3.6 Preliminary Engineering Drawings. CONSULTANT will expand and develop the build alternative and provide layout sheets, typical sections, R/W lines and requirements, striping plans,retaining wall layouts, April 10,2020 10