DISTRICT OF COLUMBIA WATER AND SEWER AUTHORITY
REQUEST FOR QUALIFICATIONS (RFQ)
Rehabilitation of Potomac Interceptor between MH31 and MH30
DESIGN AND CONSTRUCTION (DESIGN-BUILD) SERVICES
CONTRACT NO. 190010 – Rehabilitation of Potomac Interceptor between MH31 and MH30
The District of Columbia Water and Sewer Authority (DC Water) requests the submittal of a Statement of Qualifications (SOQ) for design-build services in connection with the Rehabilitation of Potomac Interceptor between MH31 and MH30. Detailed information on the scope of work, procurement process and required content of the SOQ, submittal requirements, and evaluation process are contained in the Request for Qualifications (RFQ) document which is available to download from https://www.dcwater.com/procurement. Then click on “Old Vendor Portal” and login and download the RFQ (Contract No. 190010). Statements of Qualifications must be received by DC Water not later than 2:00 PM on Wednesday, January 30, 2019. For any questions, please contact Dan Bae at email@example.com.
Project Scope of Work Summary
Assessments of the Potomac Interceptor (PI) have resulted in this project to rehabilitate defective pipe segments between and adjacent to Manhole 31 and 30 in Fairfax County, Virginia. Work is likely to include:
- Maintenance of flow (35 to 95 MGD) during construction.
- Replacement of a 6-foot diameter, 35’ deep sewer manhole (MH-31).
- Extension of the existing odor control system at Manhole 31 to serve the temporary bypass pumping locations during construction.
- Renewal of approximately 150 lf of 78-inch Reinforced Concrete Pipe (RCP).
- Replacement of approximately 200 lf of 54-inch RCP and the installation of an energy reducing device.
- Renewal of approximately 200 lf of 54-inch RCP.
- Implement the upgrades to the PI and Manhole 31 with corrosion resistant materials.
- Maintain capacity between Manhole 31 and Manhole 30 after the renewals are implemented.
- Maintain capacity in the two 54-inch influent reaches to Manhole 31 from Maryland and Loudoun County, respectively, after the renewals are implemented.
After review of the SOQs received, DC Water will shortlist two (2) or more proposers in accordance with the evaluation criteria listed in the RFQ. DC Water will then issue a Request for Proposals (RFP) package to the shortlisted proposers, who will be invited to submit a technical proposal.
The contract resulting from the RFP will be subject to Fair Share Objectives for Minority and Women Business Enterprises (MBE and WBE) in the amounts of 28 percent and 4 percent for the eligible professional services component, and 32 percent and 6 percent for the eligible construction component, respectively. The program requirements are fully defined in the U.S. EPA’s Participation by Disadvantaged Business Enterprises in Procurement Under EPA Financial Assistance Agreements – May 27, 2008.