Specifications include, but are not limited to: To provide Commissioning (Cx) services on a continuing basis for various Airport projects and existing airport systems/facilities in accordance with DFW International Airport Board Policy and Procedure (ET.001.03) as well as Airport Design Guidelines for Cx Services. Services provided under this Agreement will consist of providing Cx services on a continual basis for various construction projects and existing systems/facilities under an indefinite delivery arrangement under the direction of the ETAM Cx Authority (CxAu) or assigned commissioning managers. Building HVAC Systems 2.1.1 Air Handling Units 2.1.2 Exhaust, Outside Air, Make-up Air, and Ventilation Fans 2.1.3 Variable Refrigerant Fan Coil Units 2.1.4 Heat Recovery Units and Refrigerant Condenser Equipment Systems 2.1.5 Chilled Water (CHW) / Heating Water (HW) Blower Coil Units 2.1.6 Package A/C Units 2.1.7 Computer Room A/C Units 2.1.8 Air Terminal Units 2.1.9 Radiant Heaters 2.1.10 Unit Heaters and Electric Duct Heaters 2.1.11 Hydronic Pumps and Piping Systems 2.1.12 Heat Exchangers / Boilers / Chillers / Cooling Towers 2.1.13 Heating Hot Water and Chilled Water Hydronic Coils 2.1.14 Underfloor air distribution Systems