Transportation and Traffic Engineering: Perform traffic studies and analysis of existing and proposed intersections and roadway networks; prepare concept drawings and construction plans; including typical sections, plan, profile, cross sections, signing and marking plans, utility relocation plans, signal plans, grading and drainage plans, erosion control plans, right of way plans and prepare right-of-way and encroachment permit submittals to GDOT. Storm Water Drainage Improvement Study and Design: Perform analysis of existing drainage basins and collection systems; design and prepare construction plans for storm drainage improvements; Prepare drainage reports documenting analysis methodology, inputs/assumptions, and results.. Storm Water Permitting and Regulatory Compliance: Assist the County in preparing updates to GA EPD for MS4 permit documents; assist in preparation of annual reporting for MS4 permit. Bicycle, Pedestrian and Multi-Use Facility Planning and Design: Assist the County in planning and design of pedestrian and bicycle facilities along existing roadways and throughout the County in accordance with ADA/PROWAG and all other application state and federal regulations Construction Administration: Provide construction administration services for transportation and storm drainage projects; Perform inspections, review shop drawings,track material, oversee construction activities, review pay applications, assure quality control of construction. Perform erosion control inspections by GWSCC certified inspectors.