Specifications include, but are not limited to: The Services may pertain to or involve systems and equipment such as, but not limited to: Heating Ventilation Air Conditioning “HVAC”, Building Automation System “BAS”, Building Management System “BMS”, air distribution, refrigeration, boilers, piping loops and other pressurized water, fuel, and gas systems; central plant systems; chillers, cooling towers, condensing and steam systems; distribution and utilities systems and associated controls, pumps, piping and valves; Variable Frequency Drive “VFD”, Variable Air Volume “VAV”, and Refrigerant Monitoring System “RMS”; mechanical controls; domestic water lines, waste water, plumbing, sewer, vents, back flow preventers, anti-syphon valves, drains, gas, refrigeration, boilers, water heaters, expansion tanks, pumps, meters and associated piping, vales, plumbing fixtures, and appliances; and any other related systems.