Repair HVAC Dormitory Building 2405 and 2406

The 628th Contracting Squadron at Joint Base Charleston, SC is seeking capabilities packages from potential sources for planning purposes for the Repair HVAC Dormitory Building 2405 and 2406 at Joint Base Charleston, South Carolina. The work includes exterior wall repairs and modifications, complete removal and replacement of all exterior sealant joints including all liquid applied sealants, backer rods and silicone tape system on exterior walls at building expansion joints. Metal roof repairs and modifications. Roof gable louvers will be removed to provide access for removal of existing mechanical equipment and installation of new mechanical equipment. After the new mechanical equipment have been placed in the mechanical attic space a new louver with insulated closure panel will be installed. New backer rod and sealant will be installed around the perimeter of new louvers to provide a sealed condition. Perform an asbestos/lead survey before working. In the attic of each wing, replace the existing variable air volume air handling unit and dedicated outdoor air handling unit with a single new variable air volume air handling unit and an inline supply fan. Replace the existing energy recovery module (ERM), exhaust fan (EF), and filter modules. Replace a portion of the chilled water piping and ductwork such that the new equipment can be installed. Test the existing fire dampers and replace any fire dampers that are found to be faulty. Existing hip and ridge beams are to be supported by temporary screw jack shoring. Existing HSS columns and anchor bolts to be removed. Existing base plate of columns to be removed, and new base plate w/ alternate bolt pattern to be installed on existing columns. After equipment is removed and replaced, columns shall be reinstalled w/ epoxy anchors into existing concrete. The anticipated performance time is 715 calendar days. The breakdown of this time is 45 days for submittals, 90 days for long lead time equipment, and 550 days for construction to include weather days and 30 days for closeout documentation.

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Heating, Ventilating, and Air Conditioning (HVAC), Instrumentation and Control for HVAC, HVAC Air Distribution, Central HVAC Equipment.