Specifications include, but are not limited to:The Consultant shall perform consultation, research, professional and technical services required for Roadway Design and related Project Development and Construction Services, including, but not limited to, field sampling, analysis, reports, on an “as-needed” basis to support the Department of Transportation (Caltrans), Division of Project Development, Central Region Program, District 6, from Project Approval and Environmental Document phase to Construction phase completion of various Projects, in the maintenance, development and construction of proposed Caltrans transportation facilities. The Caltrans Contract Manager shall assign specific work to the Consultant to augment the Caltrans work force through the issuance of Task Orders describing in detail the services to be performed. The Consultant shall only perform work that is assigned in an authorized Task Order. This Contract does not guarantee that a Task Order shall be issued. The Consultant may provide services to Caltrans including, but not limited to, Engineering Studies producing Project Development and Design products and deliverables to support the preparation of the Project Report (or Project Report equivalents), Project Approval report, developing Design Plans, Specifications and Estimates (PS&E); support to the Office Engineers during project Advertisement and Award; project history files; and design support during the construction phase.