Geotechnical Design Services. 5.1 Research and Reconnaissance 5.2 Subsurface Explorations and Sieve Analysis 5.3 Technical Memorandum and Design Consultation 6.1 Alternative Analysis Report
Geotechnical Design Services. Consultant shall perform preliminary geotechnical design for the proposed XX Xxxx Market Road improvements between American Lane and SE 15th Avenue. This scope includes geotechnical investigations and design for bridges, retaining walls, and cut and fill slopes. Tasks related to preliminary geotechnical design will include subsurface investigations, laboratory testing, geotechnical analysis, and a geotechnical report. Final geotechnical design and review of plans and specifications are not part of this scope. Tasks related to final geotechnical explorations, design and review of plans and specifications will be provided for the final design phase. Consultant shall perform the preliminary geotechnical design in accordance with the latest AASHTO LRFD Bridge Design Specifications and the ODOT Geotechnical Design Manual (GDM).
Geotechnical Design Services. This task involves geotechnical investigations and analysis to evaluate subsurface conditions, slope stability hazards, and provide information for the design of the replacement bridge foundations and retaining walls. In order to evaluate site-specific geotechnical conditions, the consultant will conduct a geotechnical investigation consisting of research, reconnaissance, subsurface explorations, laboratory testing, engineering analyses, and consultation, as outlined below. The County will provide the pavement cross section therefore pavement design is not included in this scope of work.
Geotechnical Design Services. This task involves the continuation of geotechnical services required to support the design of the scour repairs and bank protection.
Geotechnical Design Services. Evaluate Field and Laboratory Data: Based on the borings and the laboratory test results on selected samples, the Consultant will generate estimates of the soil strength and other properties needed to evaluate the effects the subsurface conditions will have on the proposed improvements. • Generate AASHTO Seismic Design Parameters: Based on the soils encountered along the alignment, the Consultant will determine the Site Class for seismic design. The design spectral acceleration parameters will then be selected in accordance with the AASHTO Specifications for Roads and Bridges.
