# Loudoun Water Ionwave #2026-068-BRW.00049 Addendum 2

BRWRF Phase III – Package II Wastewater Facility Expansion Construction

**Posted:** September 14, 2026
**Respond By:** February 11, 2027
**Identifier:** 2026-068-BRW.00049 Addendum 2
**NAICS:** 237110, 237990

Loudoun Water is seeking bids for a major wastewater treatment facility expansion in Ashburn, Virginia.
- **Government buyer:** Loudoun County Sanitation Authority, doing business as Loudoun Water; no sub-agency or office is identified.
- **Procurement:** BRWRF Phase III – Package II, a lump-sum construction project covering civil, mechanical, structural, architectural, plumbing, HVAC, fire protection, instrumentation, electrical, and process-related work.
- **Equipment scopes:** The project includes owner-preselected membrane bioreactor (MBR) and rotary drum drying systems. No OEMs, equipment models, part numbers, or quantities are identified in the available materials.
- **Named organizations and platforms:** Loudoun Water is the buyer; IonWave is identified as the bid-submission platform. No construction contractor or equipment vendor is named.
- **Bidder requirements:** Bidders must hold a Virginia contractor’s license, provide bid security equal to 5% of the bid price, and document three similar water or wastewater projects involving earthwork, heavy mechanical work, and yard piping. One reference must be valued at least $400 million, and two must each be valued at least $200 million.
- **Attendance requirement:** Bidders must attend at least one pre-bid conference and its corresponding in-person site visit to remain eligible; the conference may be attended virtually.
- **Line item:** One lump-sum construction service for the BRWRF Phase III – Package II expansion; no part number or separate equipment quantities are provided.
- **Period and value:** The period of performance and estimated contract value are not stated in the available materials.

### Description

Loudoun County Sanitation Authority (DBA Loudoun Water) invites qualified contractors to submit sealed bids for the BRWRF Phase III - Package II project. Bids are to be submitted through the IonWave online procurement system by February 11, 2027, at 2:00 PM ET; late bids will not be accepted. Bidders must attend at least one pre-bid conference and the corresponding in-person site visit to be eligible to bid; conferences may be attended in person or virtually. The procurement and contract performance are governed by the Virginia Public Procurement Act, and the required bid security is 5% of the bid price.

[View original listing](https://loudounwater.ionwave.net/PublicDetail.aspx?bidID=375&SourceType=1)