Drilled Shaft
Fiber Reinforeced Polymer (FRP) tanks inserted and concrete-encased inside an auger-drilled vertical shaft.
Caisson
Vertical shaft excavated using the Caisson Sinking Technology lined with flexible PVC liner.
InsituCast
Larger diameter vertical cisterns excavated using a SEITec proprietary technique that concrete-casts the circular shoring for the excavation onsite.