Responsibilities Include: Prepare design calculations, reports, and plans for municipal projects such as sanitary and storm sewer improvement, roadway resurfacing and maintenance, closed drainage systems, lead water service line replacement, watermain improvements, utility plans, bike trails and shared-use paths. Prepare design calculations, reports, and plans for water and wastewater projects such as water treatment facility improvements, wastewater treatment facility improvements, sanitary sewer lift stations, gravity flow systems, and water towers.