Pump Station No. 2 provides service to 25% of the sewer customers on the western side of Westport, CT. Carson Corporation was hired to replace the pipe to avoid catastrophic environmental impacts of a force main break under the river. Carson faced a range of technical challenges: underground and overhead utilities, potential settlement of nearby buildings and I-95 bridge foundation, subsurface conditions, potential inadvertent returns and the HDD alignment design.
A case study of the successful project was written by Bryan H. Thompson, WPCA Collection System Supervisor for the Town of Westport, for the fall publication of NASTT-NE, the Northeast Journal of Trenchless Technology Practices. A PDF of the case study can be downloaded from the link below.