Sole Source Contract for Trane UL‑listed CenTraVac AFD Drive Assembly Replacement

The South Carolina Department of Administration issued a sole‑source notice to Trane U.S. Inc. for the replacement of a failed drive assembly in Chiller 1 at the Columbia Mills Building. The work involves installing a Trane UL‑listed CenTraVac AFD drive, programming all operating settings via OEM Tracer TU software, and ensuring the chiller’s redundant capacity is restored for critical humidity control of museum exhibits. This replacement is essential to maintain environmental stability and protect valuable assets. • Scope: Supply and install a new drive assembly, program settings, and verify performance. • Value: $150,517 fixed‑price contract. • Sole‑source justification: Specific Trane UL‑listed component required; no alternative sources identified.