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Washington Suburban Sanitary Commission, MD·Maryland

Inflow and Infiltration Analysis

Closes 1/20/2026$500k – $2MRequest for Proposal
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Description

The Washington Suburban Sanitary Commission (WSSC) is seeking an Architect/Engineering (A/E) firm to perform collection system assessment services, including flow monitoring, inflow and infiltration (I/I) analysis, and making recommendations for I/I source detection activities at various locations in Prince George’s and Montgomery Counties. The selected firm will be required to assist the WSSC with project coordination and cooperation related to local communities, County Government, Maryland-National Capital Park and Planning, WSSC staff, and other affected organizations. • The scope of work includes flow monitoring, I/I analysis, and recommendations for I/I source detection activities. • The selected firm will be required to have experience in providing commercial and industrial refuse collection services within the past three years. • The firm must have four or more company-marked vehicles and the necessary containers to perform these services. • The proposal must include a technical proposal, pricing proposal, and other required documentation. • The evaluation factors include firm experience, key personnel, technical/project approach, and pricing.

Attached files

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

Contact

Lisa Malone(Procurement Officer)

[email protected]

(301) 206-8465

Key dates

Opened
12/4/2025
Questions due
1/6/2026
Pre-bid meeting
12/16/2025
Closes
1/20/2026

Last updated

Details

Type
Request for Proposal
Industry
Engineering Services
NAICS
541330
Solicitation №
86594

Budget estimate

$500,000 – $2,000,000

The budget for this opportunity is estimated to be between $500,000 and $2,000,000, based on the scope of work and the requirements for the selected firm. The factors that may influence the likely payment range include the level of expertise required, the complexity of the project, and the number of personnel needed to complete the work.

AI estimate from the solicitation

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