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Washington DC Transportation (DDOT)·District of Columbia

Construction Management and Inspection Services for Drainage and Stormwater Improvement

Closes 5/8/2026$1.5M – $5MRequest for Proposal
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Description

The District of Columbia Department of Transportation (DDOT) is seeking a qualified consulting firm to deliver Construction Management and Inspection (CM/CI) services for city‑wide drainage and stormwater improvement projects. The contractor will act as the Construction Engineer under DDOT’s Project Manager supervision, providing engineering management, construction inspection, quality assurance, and coordination throughout the construction phase of stormwater infrastructure upgrades. This effort supports DC’s ongoing resiliency and flood‑mitigation initiatives. • Provide construction engineering management, including schedule, cost, and risk oversight. • Perform on‑site construction inspections, quality control, and compliance verification for drainage and stormwater works. • Coordinate with DDOT’s Project Manager and subcontractors, preparing daily reports, punch‑list items, and close‑out documentation. • Ensure all work meets applicable local, state, and federal regulations and DDOT specifications. • Support post‑construction testing and verification of stormwater system performance.

Attached files

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

Key dates

Opened
4/7/2026
Closes
5/8/2026

Last updated

Details

Type
Request for Proposal
Industry
Engineering Services
NAICS
541330
Solicitation №
DCKA-2026-Q-0086

Budget estimate

$1,500,000 – $5,000,000

Based on comparable DC CM/CI contracts for large‑scale stormwater projects, the award is likely to fall in the low‑to‑mid‑single‑digit‑million‑dollar range. The contract will cover professional engineering staff, field inspectors, travel, reporting, and close‑out services across multiple construction sites city‑wide. Assuming a multi‑year schedule (typical 1‑3 years) and a moderate staffing level (10‑15 engineers/inspectors), a reasonable estimate is $1.5 M to $5 M total contract value.

AI estimate from the solicitation

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