Specifications include, but are not limited to: Replacement of existing HVAC system at TxDOT and DPS areas.; Asbestos& Lead Paint Abatement .; Replacement of existing ceiling grid.; Replacement of overhead light fixtures.; Architectural wood works.; Interior Lighting – Solid State Luminaires: A. Temporary Lighting: If it is necessary, and approved by Architect, to use permanent luminaires for temporary lighting, install and energize the minimum number of luminaires necessary. When construction is sufficiently complete, remove the temporary luminaires, disassemble, clean thoroughly, install new lamps, and reinstall.; B. Install suspended luminaires using pendants supported from swivel hangers. Install pendant length required to suspend luminaire at indicated height.: 1. Pendants and Rods: Where longer than 48 inches, brace to limit swinging.; 2. Stem-Mounted, Single-Unit Fixtures: Suspend with twin-stem hangers.; 3. Continuous Rows: Use tubing or stem for wiring at one point and tubing or rod for suspension for each unit length of fixture chassis, including one at each end.; 4. Do not use grid as support for pendant luminaires. Connect support wires or rods to building structure.; C. Support luminaires larger than 2 x 4 foot size independent of ceiling framing.; D. Locate recessed ceiling luminaires as indicated on Drawings.; E. Install surface mounted luminaires plumb and adjust to align with building lines and with each other. Secure to prevent movement.; VARIABLE-REFRIGERANT-FLOW HVAC SYSTEMS: A. Section includes complete VRF HVAC system(s) including, but not limited to the following components to make a complete operating system(s) according to requirements indicated: 1. Indoor, concealed, ceiling-mounted units for ducting.; 2. Indoor, suspended, ceiling-mounted units.; 3. Indoor, dedicated outdoor air ventilation units.; 4. Heat recovery control units.; 5. System controls.; 6. System refrigerant and oil.; 7. System condensate drain piping.; 8. System hydronic piping.; 9. System refrigerant piping.; 10. Metal hangers and supports.
