Agmt04 David J. Powers & Associates

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~ ~ The most accurate method of estimatin9 the directions trips will use to approach and depart the site is through patient and staff zip code data. We wilt request this information immediately from the ~ project sponsor and establish the trip distribution pattern. If zip code data is not provided, trip distribution will be estimated based on existing travel patterns, relative locations of complementary land uses (i.e. locations of residential land uses in the area), and information from previous traffic studies. The net new site-generated traffic will be assigned to the roadway system based on the ~ directions of approach and departure discussed above and the anticipated location of vehicular site access. ~ The trip distribution pattern and trip assignments will be submitted to Ciry staff for review and o, approval. Refinements to the trip assignments will be made based on City staff comments and the list of study intersections may be modified based on these refinements (Our fee proposal is based on the analysis of study intersections). Our scope of work will be refined to address issues raised by City Staff and comments on the Notice of Preparation. Task 1 A - Conduct Traffic and Parking Surveys (Optional but Recommended) I Hospitals and medical office facilities have unique trip-generating characteristics that vary even between operators (e.g., Kaiser, Catholic Healthcare West, Palo Alto Medical Foundation). The recommended method of estimating the amount of traffic generated by the proposed project is to conduct traffic counts of the existing site. Based on the site configuration, the existing hospital and medical uses can be counted separately even though there is an acknowledged interaction befinreen the uses. This task includes conducting traffic counts at each of the existing site driveways during the AM AM to AM and PM to PM) and calculating peak hourtrip rates based on the number of beds, building area, and number of providers (i.e., doctors) as appropriate. Parking occupancy counts would also be conducted from AM to PM on one weekday to determine the maximum demand. , Task Collect Data/Existing Conditions The physical characteristics of the site and the surrounding roadway network will be reviewed during a site visit to identify existing roadway cross-sections, intersection lane configurations, traffic control devices, surrounding land uses, and the locations of pedestrian, bicycle, and transit facilities. We will also request pertinent background data from City staff including available intersection and freeway counts and a list of approved and pending projects in the City. Available counts for the local intersections obtained from City staff and will be supplemented with ~ new counts. The fee estimate includes new peak period intersection counts at study intersections during the morning to AM) and evening to PM) peak periods (a total of new peak period counts). This number will be adjusted based on available data. The existing operations of the key intersections will be evaluated for the AM and PM peak hours with level of service (LOS) calculations using the TRAFFIX level of service analysis software. We propose to use the analysis methodologies included in the Highway Capacify Manual (Transportation Research Board) for signalized and unsignalized intersections. The operations of the key intersections will also be observed to verify or explain calculated service levels. Existing data for I-280 and US in the vicinity of the project site (at the Edgewood Road and Whipple Avenue interchanges, respectively) will be obtained from Caltrans, C/CAG monitoring and conformance reports, and previous traffic studies. No new freeway counts are proposed. Existing segment and ramp operations will be analyzed using the HCM methodology, and supplemented with capacity evaluations. Task Evaluate Background Conditions