# South Carolina Business Opportunities #70020

Replace one energy recovery ventilator and three air-handling units at the SCDNR MRRI Lab

**Posted:** November 05, 2026
**Respond By:** December 01, 2026
**Identifier:** 70020
**NAICS:** 238220

South Carolina is seeking construction services to replace mechanical equipment at the SCDNR MRRI Lab in Charleston.
- **Government buyer:** South Carolina Department of Natural Resources (SCDNR), Department of Natural Resources; work is at the Marine Resources Center, MRRI Lab, Penthouse 3.
- **Procurement:** Design-bid-build mechanical infrastructure renovation, project P24-6070-CB-C.
- **Equipment requested:**
  - 1 energy recovery ventilator (ERV-3); manufacturer, model, and part number are not specified.
  - 3 air-handling units (AHU-6, AHU-7, and AHU-8); manufacturers, models, and part numbers are not specified.
- **OEMs and vendors:** No equipment OEMs, product brands, or vendors are named in the provided information.
- **Notable scope detail:** The equipment is located in Penthouse 3 on the roof of the lab.
- **Estimated construction cost:** $1,000,000–$1,400,000.

### Description

The project is to replace ERV-3 and AHU-6, 7, and 8 in Penthouse 3 on the roof of the SCDNR MRRI Lab. The project is located at the Marine Resources Center and will use the Design-Bid-Build delivery method. The construction cost range is $1,000,000 to $1,400,000. Bids are due December 1, 2026, at 2:00 p.m.; bid security of at least 5% of the base bid is required, and the successful contractor must provide performance and labor and material payment bonds, each at 100% of the contract price.

[View original listing](https://scbo.sc.gov/online-edition?s=70020)