Performs technical calculations regarding drainage area, storm run-off, grades, levels, size of drains, sanitary sewers, and water mains and strength of pipe insuring compliance with numerous regulatory acts including Act 288 of P.A. 1967, as amended, the Subdivision Control Act, Act 40 of P.A. 1956, as amended, the Michigan Drain Code, Part 91 of Act 451 of P.A. 1994, as amended, Soil Erosion and Sedimentation Control, Part 307 of Act 59 of P.A. 1995, Inland Lake Levels and Part 309 of Act 59 of P.A. 1995, Inland Lake Improvements. Confers with consulting engineers regarding the preparation of construction plans and specifications for proposed water, sewer and drain infrastructure including retention treatment basins, wastewater treatment plant additions, sewage lift stations, water booster stations, water storage tanks, community wells, piping, and other appurtenances.