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Scope of Work Preparation of Plans,Specifications and Estimates Sunol Boulevard/1-680 Improvements Project August 21,2023 project and control location maps, measurement metadata, and other required data. This report will be provided to CT District 4 (D4) personnel for review and approval. MTLS Survey Control Report Following approval of the Supplemental SCR, a MTLS GCP SCR will be prepared. The raw CRTK data will be reduced, compiled, and analyzed. A Point Derivation Report will be prepared showing conformity with the horizontal and vertical residuals required for the CT 3rd Order RTK accuracy level. A minimally-constrained least squares level adjustment of the differential level survey data will be performed to determine the integrity of the level measurements. Once analyzed and accepted, a fully-constrained least squares level adjustment will be performed. As with the Supplemental SCR, the MTLS GCP SCR will be submitted to CT D4 for review and approval,allowing the MTLS data collection survey and supplemental topographic design surveys to be performed. As determined by the AECOM responsible charge surveyor at the time of the survey, the Supplemental SCR and the MTLS GCP SCR might be combined into one SCR. Task 2.3 Structure Type Selection This task will consist of preparing deliverables consistent with Caltrans Office of Special Funded Projects (OSFP) Information and Procedures Guide 4-2 which describes the items needed for the Pre-Type Selection Submittal, Type Selection Submittal and Post- Type Selection Submittal. The type selection report will be prepared in accordance with the requirements of the Caltrans' Memo to Designers (MTD) 1-29. It is assumed that a type selection meeting will not be required. The Type Selection Report will include the following structures: The Type Selection Report will include the following: • General Description of the Project • Design and Constructability Issues • Foundation • Speed of Construction • Staged Construction of the Structures • Preliminary Aesthetics • General Plans • Construction Costs • Recommendations Preliminary Construction Structure Quantity and Cost Estimates in a Caltrans General Plan format will be developed for the project at this stage. The list of items of work will be prepared based upon Caltrans' Standard Items of Work and adding items as may be necessary. The cost estimate will identify construction work items, quantities, unit costs, and summarize the estimated total structures cost, including allowances for supplemental work, owner furnished materials, expenses, mobilization and contingencies. Page 12 of 42