Typical projects include: mechanical engineering services for plumbing, heating, ventilation and air conditioning systems; digital data controls/instrumentation and control systems, chilled water, steam, hot water, compressed gasses, natural gas, fuel distribution and storage, energy saving and conversion systems, renewable energy/energy efficient systems/studies, and power distribution and generation systems, large utility plants and distribution systems, air pollution control, water and waste water control systems, process and chemical process piping systems, piping and instrumentation diagrams, security controls and Anti-Terrorism and Force Protection (ATFP) for mechanical design of major size and complexity for use in government facilities, including, multi-story office buildings, steam plants, hospitals, housing, manufacturing, training, waterfront structures, laboratories, command and control centers, hangars, medical facilities, and large and complex utility systems. Professional knowledge and skill in applying the theories, concepts, principles, computer systems applications, and methodology of mechanical engineering relevant to a wide range of construction projects and mechanical utility systems to develop engineering designs and plans for mechanical utility systems (e.g., heating, ventilating, air conditioning, and refrigeration) as a part of complex construction projects.