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Job No. 19447.010 Exhibit A Page 6 of 12 Consultant will prepare a Composite Drawing. The composite will depict the location of all trenches. The trench details will indicate the size and depth of the trench along with the participation of each portion of the trench. Consultant will provide a Form B that will provide a percentage cost breakdown of each trench and the cost for each percentage. In addition, the composite drawing will show box, vault sizes, and location for each utility. Task 2.4 Overhead Conversion - [f conversion of overhead facilities are required as part of the improvements to the property, the Consultant will include the trench location on the intent drawings. In addition, the Consultant will provide all construction sketches, notes, details, job instructions, and material summaries that will be in accordance with the utility company's latest construction standards. 3.0 REIMBURSABLES Reimbursable expenses directly related to the Project services above such as printing, plotting, postage, delivery, travel, etc. E. Geotechnical Services - Berloear Geotechnical Consultants Geotechnical Consultant shall provide the following general services: 1.0 PARKING LOT PAVEMENT DESIGN -Provide design recommendations for Parking Lot structural section. 2.0 FIELD EXPLORATION & TESTING FOR HMP INFILTRATION -Provide boring samples and testing [o support Hydromodification Management Plan development of infiltration methods. 3.0 PRELIMINARY ESA INVESTIGATION - SURFICIAL SOIL CHARACTERIZATION -Perform surficial soil sampling and testing [o determine presence of possible contaminants (Phase 2 ESA). 4.0 PRELIMINARY ESA INVESTIGATION -PHASE 1 ESA RECOMMENDATIONS -Perform soil boring samples and groundwater testing to determine presence of possible subsurface contaminants (Phase 2 ESA). 5.0 REMEDIAL ACTION PLAN /SITE MITIGATION PLAN -Based on Environmental Site Investigations prepare remedial action plan or site mitigation plan for confirmed contaminants, as needed. The general services above are further described by the following detailed descriptions: 1.0 PARKING LOT PAVEMENT DESIGN Consultant will sample the subgrade soils in the parking lot azea for R-value testing. Based on the results of the R-value test, Consultant will provide geotechnical recommendations for the design and wnstruction of the proposed parking lot asphalt concrete pavement and wncrete pavers in a letter (3 copies). 2.0 FIELD EXPLORATION & TESTING FOR HMP INFILTRATION Consultant will drill and log three to four borings to depths of about 10 to 15 fee[ below the existing ground surface using a track-mounted drill rig. Soil samples would be taken from the borings for gradation testing and determination of soil types for infiltration/water quality design by hydro-modification consultant. Prior to drilling, Consultant will obtain a drilling permit from Zone 7, locate the borings at the site and call USA for underground utility mazking. As required by Zone 7, the boreholes would be backfilled with neat cement grout after drilling and sampling. Soil cutting would be spread on the surface and left on-site to be addressed as needed with the remedial /mitigation plan. Consultant will present the boring logs and laboratory test results to Client and hydro-modification Consultant. Note: Task Items 3.0 and 4.0 below provide for the Phase 2 Environmental Site Assessment (ESA) and will be prepared using the Phase 1 Environmental Site Assessment For the "Alameda County Transportation Corridor, west of First St between Bemal Ave & Stanley Blvd" prepared by BSK Associates dated November 7, 2007 as reference. 3.0 PRELIMINARY ESA INVESTIGATION - SURFICIAL SOIL CHARACTERIZATION (Phase 2 ESA) The purpose of the preliminary environmental site investigation is to primarily assess the potential presence of contaminants associated with the former railway. Environmental soil characterization is required for worker P:\I941TOffice\Contrect\1910101PCay~Pkusmm~-irenspCOrridor-Erdiibi[-ASmpekfees090105 doc