The required services to be provided are to provide the replacement of the existing HVAC unit at the Rio Grande State Center Bldg. 508. The Contractor shall provide all the necessary engineering, material, management, labor, tools, equipment, supplies, service components, and disposal and comply with the contract’s general conditions to replace the existing HVAC 20 Ton unit. General Description of Requirements ➢ HVAC Equipment • Demolish the existing HVAC unit • Procure and install new like-for-like high efficiency unit • Procure and install new supply fan variable speed drive • Proposed/installed Unit weight shall not exceed 5% above existing HVAC unit weight • Reuse existing curbs on the roof, provide curb adapter if necessary. • Install new disconnect switch and conduit to the new units ➢ Ducting and Air Distribution • Re-use existing ductwork • Test and balance all modified systems • Perform duct leak remediation as required in compliance with standards and regulations ➢ Commissioning • Commission equipment and controls • Commission outside air economizer consistent with standards and regulations • Document and submit Commissioning log for all equipment • As needed, install smoke detector and connect to existing fire alarm systems as required by code. ➢ Controls • Install smoke detector and connect to existing fire alarm systems if required by code. • Connect new HVAC equipment to existing thermostat and/or controls. Only where needed for compatibility, update thermostat.