Manhole Rehabilitation to Stop Seawater Infiltration
Design, Site Engineering and Crew Training – Crack Injection for a Manhole
Design, Site Engineering and Crew Training – Crack Injection for a Manhole
A backwall grouting program was undertaken to mitigate continual water seepage into two infield tunnels.
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 pilot hole hit water in zones not amenable to regular or microfine cement based suspension grout at a depth of approximately 400 metres below surface. Inflows as high as 100 liters per second were encountered…
A large inflow in a diamond mine…
A hot bitumen grouting operation to stabilise and stop an inflow of soil in a tunnel…