Design Engineering Services. The types of professional design engineering services that the Successful Consultant may be required to provide pursuant to the terms and conditions of project specific Task Orders include, without limitation, all of the following: 1. Conducting project planning studies, engineering studies and/or preparing engineering designs for a variety of infrastructure improvements including, without limitation, roadway reconstruction, intersection modifications, roadway improvements, such as curbs, gutters, sidewalks, retaining walls, etc., drainage improvements, roadway striping layout, revegetation, stream environment zone restoration, roadway safety structures, traffic signals, traffic studies, erosion control facilities, bikeway improvements, multiuse trail design (Class I and Class II) and/or design of other public works facilities generally associated with the existing County road system. 2. Preparing construction plans, specifications and project design reports in English units, including, without limitation, drainage calculations and reports, grading plans, construction staking, structural design calculations and cost estimates in accordance with current standards developed by American Association of State highway and Transportation Officials and California Department of Transportation (“Caltrans”)...