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Loudoun Water·Virginia

Professional Engineering and Related Services Community Systems Basic Ordering Agreement (ComSys BOA)

Closes 9/22/2026$200k – $1MRequest for Proposal
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Description

The Loudoun County Sanitation Authority (Loudoun Water) is seeking qualified professional engineering firms to provide engineering and related services under the Community Systems Basic Ordering Agreement (ComSys BOA). The work will involve design, analysis, permitting, and construction support for water and wastewater infrastructure projects within Loudoun County. Proposals must be submitted electronically via the IonWave system by September 22, 2026. A non‑mandatory virtual pre‑proposal conference will be held on August 13, 2026 for clarification. • Scope: Engineering design, feasibility studies, environmental compliance, construction administration for community water and sewer systems. • Contract type: Professional Engineering Services under a Basic Ordering Agreement. • Submission: Sealed electronic proposals via IonWave; late submissions not accepted. • Mandatory qualifications: Must meet Virginia Public Procurement Act requirements and demonstrate relevant experience. • Key dates: Issue 8/4/2026, Pre‑proposal conference 8/13/2026, Questions due 8/20/2026, Closing 9/22/2026.

Attached files

The solicitation documents live at the source — open the bid source above to download them.

Contact

Elvia Castro

[email protected]

(571) 291-6516

Key dates

Opened
8/4/2026
Questions due
8/20/2026
Pre-bid meeting
8/13/2026
Closes
9/22/2026

Last updated

Details

Type
Request for Proposal
Industry
Civil Engineering
NAICS
541330
Solicitation №
2026-057-1210001 Addendum 2

Budget estimate

$200,000 – $1,000,000

No contract value is disclosed. Based on typical scope for municipal water and wastewater engineering services under a BOA, a single‑project award could range from a few hundred thousand dollars for limited design tasks up to several million dollars for larger, multi‑phase system upgrades. Assuming a mid‑size county program, a reasonable estimate is $200,000 – $1,000,000. Factors influencing the final amount include the number of individual water/sewer projects, complexity of design, and duration of construction administration.

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