Preliminary Geotechnical Report Clause Samples
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Preliminary Geotechnical Report. The Preliminary Geotechnical Report will be provided as a short memo. The preliminary report will be based on available subsurface data from nearby projects (if available), geologic and topographic mapping, and any other available documents provided by the client or the County. The report will summarize anticipated surface and subsurface conditions based on reference data/site exposures, provide seismic input parameters consistent with current Caltrans practice, discuss approach and bank conditions — slope stability, cut/fill slopes, excavation conditions — and discuss conditions and constraints on likely foundation types. We would also expect to consult with the designer regarding specific geotechnical issues that may affect project planning and preliminary design.
Preliminary Geotechnical Report. Site visits will be performed and available data will be reviewed, including geotechnical data developed for the Project. Possible geotechnical/geologic impacts and mitigation measures will be discussed on a broad basis including but not limited to slope stability, geology, seismic impacts and risk, erosion, groundwater conditions, etc. for proposed bridge widenings, retaining walls, soundwalls, cuts and embankments. Generally, the geotechnical issues relevant to the project will be presented in a qualitative manner with no specific design recommendations. Potential mitigation measures will also be provided in a discussion format. All of this will be incorporated into a Preliminary Geotechnical Report. Structure Preliminary Geotechnical Reports (SPGR) will be prepared for each bridge, in accordance with Caltrans standards, to support the APS submittals. It is expected that up to seven SPGRs will be required. Typical fieldwork will consist of a brief site visit only. The SPGR will provide an overview of the existing foundations, site geology, seismicity, and, if possible, recommendations regarding suitable and unsuitable foundation types. If appropriate, the SPGR will also discuss the anticipated field and laboratory work required to support the future Preliminary Foundation Reports and the future Foundation Reports. Other efforts include providing support and information to the design team for the Life-Cycle Cost Analysis (LCCA) and other input on the alternatives regarding excavations, fill slopes, retaining wall decisions, and possible mitigation measures for settlement and liquefaction issues that can be expected. CONSULTANT will prepare a Project Report Level Cost Estimate and Schedule, in accordance with Caltrans requirements. Major construction items, quantities, unit prices, and soft costs will be identified to estimate total project costs including allowances for mobilization and contingencies (appropriate for this level of design detail). Cost variants for alternatives will be estimated, if necessary. Right-of-way and utility relocation costs will be approximated at this stage of design using available information.
Task 4.10 - Highway Plan Sheets
Preliminary Geotechnical Report. Shall include a description of the project; a site description; geologic conditions; a summary of field explorations, laboratory testing and design recommendations. Design recommendations shall include construction techniques to optimize constructed soils conditions and the objective of the project and any potential threats to the project, as surface or subsurface drainage. Appendices of site maps, boring logs, laboratory results etc shall also be included in this report.