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250130-Transmission Mains & Critical Valves PDB

Description: DC Water invites firms to submit Step 2 proposals for the Transmission Mains & Critical Valves progressive design-build contract, Contract No. 250130. The portfolio covers critical water infrastructure work, including large-diameter water-main replacement or rehabilitation and critical-valve replacements. The solicitation identifies October 30, 2026 as the response deadline.

Buyer: DC Water
SpecialDistrict · DC, US
Released: Sep 22, 2026
Closes: Oct 30, 2026(5 days left)

RFP documents & timeline

From the first pre-RFP signals to the published RFP and its files.

Board meeting
May 22, 2025
488 days before RFP
The Finance and Budget Committee CIP update recorded scope and cost validation for the Transmission Mains and Critical Valves PDB, with an RFQ planned for May 2025 and an RFP planned for July 2025.
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Water Program Updates PROJECT SPOTLIGHT: Scope and cost validation in progress for Transmission Mains and Critical Valves PDB, comprising of large diameter water main rehabilitation, critical valve replacements/improvements and new connections to the WSSC system. Planned procurement: Request for Qualifications (RFQ) May 2025, RFP July 2025.
District of Columbia Water and Sewer Authority Finance and Budget Committee
Board meeting · May 22, 2025
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Board meeting
Feb 5, 2026
229 days before RFP
The CEO report listed a Transmission Mains Replacement portfolio for large-diameter water-main rehabilitation and related upgrades, with the RFQ/RFP and value still TBD.
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Transmission Mains Replacement This portfolio encompasses critical water infrastructure projects, including large-diameter water main rehabilitations (greater than/equal 16 inches) and upgrading of existing interconnections and a booster pump station in the 4th High Reno Pressure Zone. RFQ/RFP TBD TBD Sewer Main Infrastructure Repair and Replacement…
District Of Columbia Water And Sewer Authority Board Of Directors Meeting
Board meeting · Feb 5, 2026
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Strategic plan
Mar 5, 2026
201 days before RFP
DC Water started a PDB procurement for linear transmission mains and critical valves, including Year 3 critical-valve replacement, two 16-inch transmission mains and large-diameter water-main renewal.
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• Started first progressive Design-Build (PDB) procurement for linear transmission mains and critical valves. Ongoing procurement activities focused on industry interest and collaboration. The project portfolio includes: ▪ Critical Valve Replacement, Year 3 ▪ 16-inch Rock Creek Park Transmission Main ▪ 16-inch Reservoir Road Transmission Main ▪ Large…
DC Water Budgets 2026-2035
Strategic plan · Mar 5, 2026
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Agenda packet
Jun 16, 2026
98 days before RFP
DC Water proposed a three-year WSSLI-CAP engineering-services contract with two option years to assess water transmission systems and prioritize repair, rehabilitation or replacement.
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ACTION REQUESTED ENGINEERING SERVICES: Water, Sewer, Storm Linear Infrastructure Condition Assessment Program (WSSLI-CAP) Contract (Joint Use) Approval of award and authorization to execute an architectural and engineering services contract not to exceed $50,000,000. The contract will have an initial term of three (3) years, plus two (2) one-year option…
RFP published
Sep 22, 2026
RFP documents aren’t available here yet.
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Proposals due Oct 30, 2026 (5 days left)

Key Contacts on this RFP

Decision makers connected to this RFP from DC Water.

Unique N. Morris-HughesBoard Chair

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+1 (***) ***-****

Kirsten Bowden WilliamsChief Administrative Officer and EVP

*******@************

+1 (***) ***-****

Moussa WoneChief Engineer and Vice President, Engineering and Clean Rivers

*******@************

+1 (***) ***-****

Jesse HillmanChief Information Officer and EVP

*******@************

+1 (***) ***-****

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250130-Transmission Mains & Critical Valves PDB

RFP documents & timeline

Key Contacts on this RFP

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