Specifications include, but are not limited to: Testing and Balancing (TAB) Services as they may relate to new construction, major renovations, and/or facility operations and shall be available for all phases of each project designated by Texas State University and shall perform all services by providing all supervision, manpower, materials, equipment and supplies necessary. The Contractor(s) will act as a liaison between the Owner, Engineer, and the Contractor and inspect the installation of the mechanical piping system, sheet metal work, temperature controls and other component parts of the heating, air conditioning, and ventilating systems being retrofitted, repaired, or added under the resulting Contract(s).