Completed in 1981 by Mole Constructors, the Stillwater Tunnel Backfill Grouting project involved repairing approximately 7,000 linear feet of tunnel without excavation. Repair methods included backfill grouting, cement slurry application, and annulus grouting.
Project Details
- Owner: Department of the Interior
- Location: Duchesne, Michigan, United States
- Performed as: Mole Constructors, Inc.
- Project value: $936,000.00
- Completion Date: 1981