Contractor will prepare and deliver the following: Provide all labor, tools, equipment, and materials to perform necessary maintenance and repairs, testing, and inspection of all heating, ventilation and air conditioning (HVAC) systems and equipment at all HCS buildings and facilities. Existing equipment includes various manufacturers, types, sizes, outputs and controls which are digitally, pneumatically or electronically controlled. Gas and electric systems may be included in repairs and may need to be coordinated with other contractors to complete needed repair and/or replacement. All controlling devices, alarm notification systems, and duct detectors are included. If more than five (5) pounds of refrigerant is to be installed or replaced, the Contractor must notify the HCS staff at least twenty-four (24) hours prior to the installation/replacement. If the refrigerant is to be captured for disposal, the Contractor must submit a written report to HCS staff detailing the method and location of disposal. All work shall be completed in accordance with applicable HCS standards and applicable within the agreed upon timeline. Completion of the work includes but is not limited to, disposal of all debris generated in an appropriate manner; all safety training, procedures, and requirements directed for technicians; leave the work area in a clean, “broom swept” state upon completion of the work at the end of each work day. Ensure any staff performing work that involves handling, installation, recovery or disposal of refrigerant shall have a current chlorofluorocarbons (CFC) recovery certificate. Coordinate with other HCS contractors as necessary; ensuring all technicians are certified and licensed/skilled technicians under the direction of a mechanical contractor who has all applicable state licenses; ensure all work is made in a neat and workmanlike manner in accordance with the best practices of the trade.