What We Do
Constitution Avenue NW Storm Sewer Cleaning Project
As part of its Capital Improvement Program, the District of Columbia Water and Sewer Authority (DC Water) is performing sewer rehabilitation projects throughout the city. This project involves cleaning and disposal of sediment and debris from approximately 4,700 linear feet of 53-inch to 108-inch diameter storm sewers on Constitution Avenue NW, from 10th Street NW to National Park Service (NPS) property and the Tidal Basin.
Download a more detailed project information sheet on the Constitution Avenue NW Storm Sewer Cleaning Project (PDF 141 kb) .
Scope of Work
This sewer cleaning project will be performed in three phases. These are as follows:
- Phase 1 - Assessment of the current condition of the existing sewers using a truck-mounted Closed-Circuit Television (CCTV) camera and supporting equipment to inspect and clean the sewers
- Phase 2 - Cleaning and disposal of sediment and debris from the sewers while using trenchless technology
- Phase 3 - Upon completion of the cleaning process, CCTV inspection will again be performed to verify the quality of cleaning
Project Schedule
Construction on this project started in November 2011 and should be completed by May 2012.