Inflow Remediation – Vakola Marochi Tunnel, Mumbai, India
ECO designed and provided hands-on training to facilitate the construction of a concrete liner in a tunnel under sever flow conditions…
Case Histories Categories
Case Histories
Plug for Tunnel Connected to 500 Metre high Drop Shaft Sungai Piah Hydro Electric Project, Malaysia
A grouting program was implemented after a concrete plug had cooled off. The grouting program had to overcome challenging inflows of 20 litres per second…
Seymour Capilano Twin Tunnel Project, North Vancouver, BC
ECO reviewed, evaluated and provided recommendations for a pre-excavation rock stabilization grouting program. Resident Engineers were trained by ECO…
Hot Bitumen Grouting to Reduce Inflow in a Limestone Quarry, Milleville, West Virginia, USA
ECO designed and supervised the construction of a grout curtain to stop an inflow in excess of 50,000 gpm…
Stopping Artesian Flow form a Geothermal Hole near the Jarvis River, Haines Junction, Yukon
An exploration hole hit a water bearing stratum under considerable artesian flow. The flow threatened sacred hot springs. A hands-on solution involving barrier bags was designed and implemented.