Rehabilitation of the 10th and 12th Street Combined Sewers

Location: Washington, DC

Client: District of Columbia Water and Sewer Authority

10th and 12th Street Sewer Rehabilitation10th and 12th Street Sewer Rehabilitation10th and 12th Street Sewer Rehabilitation10th and 12th Street Sewer RehabilitationCCJM was retained by DC WASA to prepare Contract Documents for the rehabilitation of 10th Street, N.W. 36-inch diameter brick and concrete combined sewer between E & F Street and 12th Street, N.W. 30-inch diameter brick and concrete combined sewer, including manholes located between New York Avenue and G Street.

CCJM employed “Trenchless Technology” for this rehabilitation using structural Cured-In-Place-Pipe (CIPP) liner to renew the existing pipe’s structural integrity as well as minimize construction disruption in the project locations.

CIPP lining is the latest sewer line rehabilitation technology available today. As a trenchless technology, CIPP does not require excavation to rehabilitate a pipeline that is either leaking or structurally unsound. This method uses a resin-saturated tube inserted into the pipe by inversion or winching, then expanded using air or water pressure, and the resin subsequently cured at ambient or elevated temperature (using steam or hot water), or using ultra violet light, to create a pipe within the pipe.