Trenchless Technology (Microtunneling) 

Ground Improvement

Ground improvement to support the installation loads and service loads in very soft ground comprising of marine clay in Mumbai.

The method employed was lime injection.

Well sinking for shaft

Considering the soft ground, well sinking method was adopted for construction of shafts



Actual microtunneling about to start at the site

Microtunneling in extremely Soft Ground

The ground was marine clay with SPT values as low as 4. The project was conceived from planning of sewerage network with options to integrate with Mumbai's sewerage system in efficient way. The services included preparation of Feasibility Report, Detailed Project Report, Bid Documents and Bid Invitation Support as well as expert advice during construction