Miami-Dade County, Florida, 2011 – 2013 The Miami-Dade County Water and Sewer Department required an aging sewage line under the Government Cut, a channel between
Excelsior, Minnesota, 2013 As part of the Excelsior Area Improvement project, a 4-foot diameter tunnel was designed to carry a new 24-inch Forcemain under Highway
A backwall grouting program was undertaken to mitigate continual water seepage into two infield tunnels.
A soil grouting program was designed and implemented to stabilize the soil and fill voids created by the decaying old timber around 100 year old large sewer tunnel to prevent further settlement to structures located above the tunnel.
ECO trained the maintenance crews of the US Army Corps Of Engineers in Sault St-Marie in professional crack injection with flexible water reactive polyurethane grout as well as slab jacking techniques.
A soil grouting program to treat cohesionless sandy soil to facilitate the installation of a new tunnel below an active railway.