| Projects > Microtunneling | ||
| Name: | West Side Combined Sewer Overflow "Peninsular Force Main Project" | |
| Owner: | Bureau of Environmental Services, City of Portland Oregon | |
| Engineer: | Parson's Brinckerhoff Quade & Douglas in association with CH2M Hill | |
| General Contractor: | Impregilo/S A Healy JV | |
| Microtunneling Sub Contractor: | Impregilo | |
| Pipe Size : | 1300' 108" OD x 1.000 wall in 10' sections | |
The Problem: The project required microtunneling 1300' under an active railroad without service interruption. |
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The Solution: Installed 1300' 108" OD x 1.000 wall 10's from a single shaft under Union Pacific's main rail yard without interruption of rail services. Two drives microtunneled using Herrenknecht mixshield MTBM AVN 1800D 650' each took approximately one week each. "Project of the Year" 2005 Trenchless Technology Magazine. |
