Sumner River Crossinginfrawp2024-03-26T18:52:09+00:00 InfraSource was contracted by PSE to tie in the North Tacoma Gate Station into the existing system with 20″ STW pipe.Project Details Project Length: 8 weeks Installed approximately 3200 feet of 20 inch STW pipeRetired approximately 2850 feet of 16 inch STW pipe Drilled 2600 feet including crossing underneath the White River