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GEOTECHNICAL ENGINEERING SERVICES PROPOSAL(Soils Report) Mariposa Road Parking Lot 4300 Mariposa Road Stockton,California June 15,2021 Page 3 ■ Level of site preparation required; • A suggested specification for engineered fill that is available in the area; • If expansive soil is present,analyze any special design requirements; ■ Analyze and recommend aggregate base course required under either the floor slab or exterior concrete paving; ■ Data for pavement including pavement section thicknesses(PCC,ACC)for TI of 4 through TI of 7; • Analyze the possibility of using on-site material for engineered fill; • Provide seismic site coefficients and near source data for analysis to current Building Code for project location and jurisdiction or governing building authority; ■ Site response analysis and/or ground motions hazard analysis in accordance to ASCE 7-16 unless otherwise exempted by code; ■ Discussion on seismic liquefaction,dynamic densification,fault ground rupture and fault creep. If conditions warrant—liquefaction analysis will be performed; ■ Hydrologic Soil Groups; ■ R-Values for Pavement and Concrete; ■ Percolation testing and recommended infiltration rate; Schedule: CTE proposes completion and delivery of the Geotechnical Exploration report within approximately 4-7 weeks from date of initial site visit. In situations where information is needed prior to submittal of our report, we can provide verbal information or recommendations for specific project requirements after we have completed our field and laboratory programs. COMPENSATION For the scope of services described above our fee will be an estimated Not to Exceed of$5,046.00(50% Deposit Required Prior to Drilling. This cost estimate is based on same day drilling and a permit for 2 additional borings. If percolation drilling is not done on the same day and/or more than 2 borings are required, additional fees will apply. The estimated cost and time involved are based on the anticipated soil conditions, knowledge of the proposed development, and the scope of services. An approximate breakdown of costs is presented below: Field Investigation/Drilling----------------------------------------------------------------------------------------$2,248.00 The field Investigation will consist of processing for and obtaining the required boring permit(s); performing a site reconnaissance; concrete coring(if required), excavation and logging of boring holes at the location designated on the attached plan; and obtaining representative soil samples for laboratory analysis. An experienced geologist or soils engineer will oversee all field investigation activities. The borings will be backfilled upon completion of sampling. It is CTE's belief the proposed number of borings and boring depths will meet the requirements of the California building code for the design and construction of the proposed project. LaboratoryTesting----------------------------------------------------------------------------------------------------$750.00