Assists in the preparation of sewers, sewage treatment plant and sanitary pump station plans, specifications and design of proposed engineering projects; Directs the activities of the construction field survey units, organizes survey parties, and assign and lays out work for them; Prepares specifications for materials and minor construction jobs; Conducts and prepares reports on the efficiency of new equipment; Conducts tests on the performance of new equipment or installations; Prepares or assists in the preparation of cost estimates and time schedules for sanitary sewers, pump stations and sewage treatment plant construction projects; Lays out, supervises and reviews the work of a unit engaged in a particular phase of engineering activities; Performs difficult design work for the alteration and extension of existing sewer systems; Performs computer aided drafting/design functions using AUTOCAD in the preparation of engineering plans; Performs related duties as required. Through knowledge of the methods and materials of construction, maintenance and design of sewers, sewage treatment plant works and related structures; Good knowledge of the principles and practices of sanitary engineering; Ability to understand and interpret construction plans and description specifications; Surveying including computations, engineering estimates and specifications; Ability to plan and supervise the work of others; Ability to be trained in the computer operated design/drafting and AUTOCAD equipment; Physical condition commensurate with the demands of the position.