# South Carolina Business Opportunities #65523

Prequalification for Governor’s Mansion Roof and HVAC Replacement

**Posted:** May 01, 2026
**Respond By:** May 28, 2026
**Identifier:** 65523
**NAICS:** 238160, 238220

The South Carolina Department of Administration is prequalifying contractors for roof and HVAC replacement work at the Governor’s Mansion in Columbia.
- **Government buyer:** South Carolina Department of Administration, Division of Facilities Management and Property Services.
- **Project:** Governor’s Mansion Roof and HVAC Replacement, Project D50-6175-PD; design-bid-build construction.
- **Requested work:**
  - Replace the existing SBS modified-bitumen low-slope roof with a thermoplastic single-ply membrane system, and re-flash the existing skylights and exterior parapet wall.
  - Replace AHUs 1–5 with associated ductwork and piping, plus the hot-water boiler and main chiller.
- **OEMs and vendors:** No manufacturers, product brands, or vendors are identified.
- **Quantities and part numbers:** Equipment counts are specified for AHUs 1–5; no product quantities or manufacturer part numbers are provided. D50-6175-PD is the project number.
- **Notable requirements:** Contractors must complete prequalification and meet applicable South Carolina licensing requirements. Estimated construction cost is $1.5–$1.8 million.

### Description

This is a construction prequalification for roof and HVAC replacement at the Governor's Mansion. The work includes replacing the existing modified bitumen roof with a single-ply membrane roof and re-flashing the skylights and exterior parapet wall. It also includes replacing AHUs #1 through #5 and associated ductwork and piping, as well as the hot water boiler and main chiller. Contractors must obtain and submit a Statement of Qualifications and supporting documentation by May 28, 2026, at 2:00 p.m.

[View original listing](https://scbo.sc.gov/online-edition?s=65523)