Specifications include, but are not limited to: The SERVICE PROVIDER will provide geotechnical investigation and design services as needed for highway transportation projects, including, but not limited to, design of structure foundations, retaining walls, cut/fill slopes and roadway subgrade for capacity improvements, seismic retrofits, and rehabilitation and repair projects. The SERVICE PROVIDER will assist the DEPARTMENT and other consultants in developing plans and specifications regarding geotechnical aspects. The design shall follow the most current version of the American Association of State Highway and Transportation Officials (AASHTO) Load and Resistance Factor Design (LRFD), Federal Highway Administration (FHWA) guidelines, and the DEPARTMENT standards.