A Civil Engineering Assistant is responsible for the following essential functions: prepares plans, specifications and cost estimates for minor flood control or road maintenance projects such as retaining walls, parking lots and similar projects utilizing commonly used software applications and specialized engineering software applications such as Computer Aided Design and Drafting (CADD); assists in field investigations and studies and in the preparation of preliminary and final plans, specifications, and cost estimates for a variety of construction and maintenance engineering projects such as drainage and wastewater systems, dams, mountain roads, highways, street lighting and water distribution systems, debris basins, storm drains, spreading grounds, and other flood control and water conservation facilities; performs calculations requiring knowledge of algebra, trigonometry, calculus, elementary mechanics, strength of materials, statics, geodesy, and structural analysis; assists in conducting hydraulic and hydrologic studies to determine design criteria and operational requirements for flood control and water conservation structures; compiles data for and assists in making studies or tests relating to the location, size and capacity of other engineering structures or facilities; and assists in the review portions of plans for engineering structures prepared by other public agencies or by private firms to determine if they conform to department standards and practices and sound engineering principles.