B1130 Annex HVAC Repair

Summary (Newest Update)

Background The project is initiated by the government to repair the existing heating, ventilation, and air conditioning (HVAC) system in Building 1130 Annex at Shaw Air Force Base, SC. A retro commissioning by a third party identified several issues with the HVAC system. While many have been resolved, critical items remain that need correction as per the Statement of Work dated March 9, 2026. Work Details The contractor will perform various tasks including: - Providing shop drawings of the HVAC system for approval; - Replacing temperature, pressure, humidity, and air monitoring sensors on air handlers; - Replacing supply air fan bearings; - Replacing control valves; - Disassembling ceiling grids for above-ceiling work while reusing materials; - Replacing flex duct with hard duct; - Replacing energy recovery ventilators with dedicated outdoor air systems equipped with cooling and heating coils; - Replacing undersized variable air volume (VAV) boxes; - Installing new isolation valves on VAVs with hot water reheat; - Determining if ductwork needs enlargement for increased airflow; - Integrating new equipment into the building automation system; and - Performing a test and balance of the entire HVAC system. The contractor is responsible for ensuring compliance with various codes and standards throughout the project. Period of Performance 210 Calendar Days after Notice to Proceed issuance. Place of Performance Shaw AFB, SC